主旨大意题。根据本文叙述了一家人环保生活的经历和效果，文章出现了出现了多次going green，点名的主题，故选A。

细节理解题。根据it also meant challenging ourselves to go green beyond easy things. Rather than recycle and reduce our energy, we had to think of 365 different green things to do and this was no easy task.必须有365种不同绿色环保的任务，确实是一件不易是事情，故选D。

细节理解题。根据Over the course of Our Green Year, we completely changed our lifestyle. We now shop at organic(有机的)stores. We consume less meat, choosing green food. We have greatly reduced our buying we don't need. 他们试图改变以前的不环保的做法，故选A。

推理判断题。根据We are grateful for the chance to have been able to go green and educate others. We believe that we do have the power to change things and help our planet.这次环保经历很好，他们可能会在将来继续他们的环保计划，故选B。

考查细节理解。根据文章的第四段中的As the sun is hidden by clouds of dust, temperatures around the world fall to almost zero. 可知A正确；根据第三段中的Cities on the African coast are totally destroyed and millions of people are drowned. 可知B正确；根据根据文章的第四段中的Crops are ruined. Wars break out as countries fight for food. 可知C正确；根据文章最后一段中的Will we meet the same end?可知，人类是否会灭绝没有将清楚。故四个选项中D不正确。

考查推理判断。根据文章的最后两句话The dinosaurs couldn't survive in the cold climate that followed and they became extinct. Will we meet the same end?可知，恐龙在那种寒冷的环境下会灭绝，人类未来也可能有同样的遭遇。故选B。

考查作者的写作意图。根据文章最后一段中的Could it really happen? In fact, it has already happened more than once in the history of the Earth. 和Will we meet the same end?可知，作者在给人类提出未来可能发生灾难的警示。故选C。

考查文章的出处。此处article of popular science大众科学文章；news report新闻报道；research paper研究论文；horror story恐怖故事。根据文章的大意可知，是一篇大众科学文章。故选A。

细节理解题。根据we want to show our respect to leading designers like Jay who embrace compassion(同情) as the fashion,可知著名的时尚设计师，故选A。

词义猜测题。根据a new chapter 本义新篇章，这里用引申义新趋势的开始，故选B。

细节理解题。根据I have patchwork pieces that contain all sorts of combinations of fabrics. The rest is cotton, nylon, polyester…you name it. I even have some stuff made out of bamboo / cotton blend. Anything but fur and leather,这里Anything but绝不；他反对用皮革制品，故选C。

细节理解题。根据It is great to see leaders in the fashion industry recognizing that the animals need their fur more than we do.动物比我们更需要皮毛，我们要有的时尚要与对于动物的同情联系在一起，故选B。

细节理解题。根据cars have made the air unhealthy for people to breathe and poisonous gas is given off by factories. Trees on the hills have been cut down and waste water is being poured continuously into rivers. Furthermore, wherever we go today, we can find rubbish carelessly disposed.汽车污染引起的大气污染；山上的树木被砍伐；污水进入河流；垃圾被随意地处理，这四个方面的环境问题，故选C。

细节理解题。根据Laws have been passed to stop pollution, I hope the problems will be solved in the near future and our home will become better and better.已经通过法律的手段来阻止环境的污染，故选D。

推理判断题。根据We must face the situation that exists and take action to solve our environmental problems. 这是本段的中心句，我们要面对存在的形式，采取措施解决我们的环境问题，最后都希望这有效的措施能还给我们一个健康的环境，故选C。

推理判断题。根据Laws have been passed to stop pollution, I hope the problems will be solved in the near future and our home will become better and better.可知作者对未来的环境充满希望，故推出作者是以乐观主义的态度，故选C。

标题归纳题。全文内容主要介绍气候的变化及其后果。故选D。

作者意图题。根据第三段的earthquake in Sumatra ,Egypt,Haiti可以看出作者解释The planet itself has been showing signs of change，我们的星球已经表现出变化的迹象。故选C。

词义猜测题。根据第三段的Egypt was hit in 2009 with a major earthquake and Haiti was devastated in 2010 by yet another massive earthquake. 海地2009年发生了大地震，2010年有一次遭受了大地震，被地震破坏，摧毁。故选B。

推理判断题。根据最后一段的However, other planets are experiencing global warming as well as our own不仅我们的星球而且其他星球都在经历着全球变暖。故选D。

细节题：从第一段的句子：some health experts said that whenever the smog gets serious, hospitals receive more patients suffering acute respiratory（呼吸系统）and heart diseases.可知烟雾的影响是PM 2.5的上升，病人增加，更多人得病，不是人们收入增加。选C

细节题：从第四段的句子：Smog especially is a common concern. Like a popular online post said, air may be the only thing that is equal for everyone, despite your income or vocation. but they breathe the same air as everyone else.可知烟雾问题受所有人关心，因为没有人可以避免它。选B

考查指代关系理解题：从倒数第二段的句子：Space technologies are not to be developed for building a base on Mars so that one day all human beings can migrate to the red planet because they have destroyed Earth. 可知人们毁坏了地球，所以可以移民到火星上的技术还没有发展。they指代前面的all human beings，选A

推理判断题：从倒数第二段的句子：China needs to develop its economy and invest(投资) in high-tech. Every Chinese wants a strong country. But without blue sky, clean water and safe food, the achievements in the economy will become meaningless.可知我们发展经济的同时要保护环境，选D

猜词题：从第二段的句子：With cloning, infertile couples could have children. 可知有了克隆技术不孕不育的父母就可以有孩子了，可知infertile 意思是：unable to give birth to children 选C

细节题：从第一段的句子：Human cloning technology could be used to reserve heart attacks. 可知克隆技术可以用来延迟心脏病，所以选B

推理题：从文章的最后一段的句子：This new technology promises unprecedented （前所未有的）advancement in medicine if people will release their fears and let the benefit begin.如果人们消除恐惧这项技术会有医学上前所未有的进步，可以推断出克隆技术发展的主要问题是人们害怕这项技术。所以选D

细节理解。One example is the idea of multiple intelligences, which was developed in the 1980s by Harvard psychologist Howard Gardner.This offers a much broader view than the IQ theory,句意为：其中的一个例子就是多元智力，它是在二十世纪八十年代由哈佛心理学家Howard Gardner发起的，这就提供了比智商理论更为广阔的观点。所以答案应是多元智力，故为B。

细节理解题。From their research, they have discovered that a slightly different gene is more common in those with a high IQ.从他们的研究中，他们已经发现，在高智商的这些人中，他们的基因都有稍微的不同这点是相同的。.An analysis of their genes showed that 32% of children in the higher group had the gene in question,分析显示，在高智商的小孩儿中有百分之三十二都有思考问题的基因。所以下文他们用的数据是为了来证明这一观点。故答案应为C。

细节理解题。Many psychologists now believe that when it comes to intelligence, IQ isn't everything.Many alternative views have been put forward recently.One example is the idea of multiple intelligences, which was developed in the 1980s by Harvard psychologist Howard Gardner.许多心理学家认为，当谈到智力的时候，智商并不代表一切，许多新的观点已经被提出，其中包括多元智力说。由此可知Howard Gardner认为，智力包括多个因素是正确的。故答案为B

综合理解题。由文章的第一自然段What exactly is intelligence?开篇，下文均是围绕这一问题展开，由此可知答案为D。

细节理解题。根据第二段第一、第二句"Wagner Marcenes is with the Institute of Dentistry at Queen Mary, University of London."可知其人是与该机构一起工作，并非该机构的领导者，第二句提到他领导一个研究队，所以A不对；B项提到"cure all major disease"太过绝对且文中并无体现；C项根据第二段第二、第三、第四句可知是正确的；D项提到第四段第一句是说他们一样危险。故不对。

细节理解题。A项根据第三段第一、第二句可知对象误用，排除；B项第三段第一句以及第六段第一句可知是错的；C项提到成为发达国家是错的，应该为"more like western nations"才对；D项从第八段最后一句可以看出：这种疾病将引起心理混乱影响人们的交流。故D正确。

推理判断题。作者写本文就是引起人们关注这种疾病并采取措施处理。故A正确；B项告诉研究结果是片面的观点；C项从第五段看出只是一个观点；D项不是仅仅告诉医生所以不对。

事实细节题。从文章结构来看，先提出问题然后提出解决办法，说明作者是持着关心的态度来写的。故B正确。

细节理解题。A项从第一句话"What if you could fit all of a library's collection in the palm of your hand?"可知只是一种假设；从倒数第二句话也知道不是所有的书，排除；B项从第三句话可知是10000titles，指的是文章，不是书本。C项从本段最后一句"But don't bother holding on to the device longer than that because it's programmed to go dead."可知是正确。D项本段中的"upcoming"和"the system will"可知是未来的设想，并非现在就有了，故排除D。

细节理解题。根据第一段提到10000 titles，以及"the system will"故A 项错误；B项与第三段最后一句相符；C项与第二段倒数第二句相符；D项与第二段最后一句相符。

词义猜测题。根据本句话"Those digital-only projects folded—residents wanted their paperbacks—but Stanford University maintains a successful bookless engineering library with over 65,000 titles."中有并列连词but，说明前后两句话意思相反，下文讲到斯担福大学有一个成功的无书图书馆，所以该空与successful相反的词，故D正确。

推理判断题。本题题干是双重否定表示肯定，根据最后一段第三句"A survey from the Pew Research Center shows that about 90 percent of digital readers still crack open physical books"可知C正确。

细节题：根据文章第三段的描述： Radel为了保证42名学生到达实验室时是空腹, 所以要求他们中午到达. 然后告诉一部分学生实验时间推迟了, 请他们10分钟后再来. 他又请另外一部分学生用午餐. Radel用推迟实验的方法造就了两组实验者, 即饥饿组与饱食组. 选项B是答案.

主旨题：虽然A、B、D选项均可在文中找到对应部分, 而只属于细节, 而非主旨, 因此不能选. 本文最后一句From the experiment, I know that our brain can really be at the disposal of our motives and needs. "Radel says.给出了直接的答案，人的大脑受我们的动机和需要支配。选C。

细节题：选项A所说的实验样本的大小与本题主旨无关, 不是答案, 而是干扰项；B、C内容也不能直接从短文中推断出来. 选项D是答案. 最后一段第二句的"Humans Can really perceive what they need or what they strive for"可知人类可以不受大脑思维的影响感知需要的东西。为选择D项提供了依据.

推理判断题。最后两段主要讨论鱼是否有能力和人一样会思考。聪明的鱼会脱钩而逃。第五段第二句：It is clear that fish have sometimes shown their ability to gain knowledge as man does. 很清楚鱼有时会表现出它们和人一样有获取知识的能力。故选A。

标题归纳题。本篇文章根据全文内容，尤其是第五段判断：通过该段的鱼脱钩的经历描述和最后一段判断：通过全文阅读判断最佳题目应该是：鱼到底有多么聪明？故选B。

推理判断题。根据第四段的故事和全文最后一句话：The more often a fish is nearly caught, the more difficult it will be to interest it next time.鱼越是经常差一点就被捉，下一次就越难使它（对鱼饵）感兴趣。判断鱼似乎是根据经验摆脱鱼钩的。故选C。

推理判断题。从文章第三段The results showed that on days ... , On days when they smiled due to positive thoughts, their mood improved a lot as well as their work efficiency.判断当人们因为真实的想法而微笑时，他们的情绪会变好同样工作效率也会提高，所以B选项正确。

细节题。文章倒数第三段The study also showed that women were harmed more by fake smiling than men.研究也表明由于佯装微笑妇女受的危害要比男人大，由此判断D为正确答案。

推理判断题。文章最后一段"There have been some suggestions that if you do this over a long period that you start to feel inauthentic(不真实的)," Scott said. "You may be trying to cultivate positive emotions, but at the end of the day you may not feel like yourself anymore."如果很长时间都在假装微笑，那么自己就会感觉不真实，而且会感觉不像自己了。由此判断研究人员认为人们要真实地对待自己的感觉，所以A选项正确。

主旨大意题。本文是调查报告，开头提出中心。从第一段But new research suggests that putting on a fake smile can worsen people's mood and even lower work efficiency.判断文章是一篇关于虚假微笑及其影响的研究报告，所以B选项正确。

细节理解题。根据第二段的First stop, weather，Second stop, Air Quality Index，第四段的Diary app informs you of all the things you failed to do the previous day可知apps的功能有:空气，空气质量指数，告诉你没能做到的事情。所以A,C,D项属于 apps的功能。故选B。

作者态度题。根据第六段的But the dark side to all this connectivity would be lack of privacy, being a slave to the app. The only real problem is that once you lose your smartphone, you lose your life. the app 会使人们缺少隐私，沦为它的奴隶，唯一的一个问题就是一旦你失去你的智能手机，你就失去了你的生命。所以说 apps 控制了你的生命。故选A。

推理判断题。根据最后一段的Some friends and family do not have smartphones, but prefer the old-fashioned Nokia that merely makes phone calls and sends instant messages.一些朋友和家庭，没有智能手机，他们更喜欢旧式的，只能打电话和发短信的诺基亚手机。所以可以推断出C项正确。

细节理解题；根据第五段句子"Another one, Tube Exits, tells passengers where to sit on the train to be closest to the exit of their destination."可知B项正确。

推理判断题：根据第二段中提到"eye contact"再看第二段最后一句"That's not rudeness ―people are just too busy to bother looking."及第三段告诉我们D项最好。A 要上班，没时间与别人交谈。B 爱看书，不想被打扰。C 因早起而感到困倦。

细节理解：根据第四段这一单词下文说：有超过40,000 apps被设计研发，以及第五段列举的例子"One "app", called iShoot, is a game that features tanks."B项最佳。

细节理解：纵览全文：作者在文中只是描述了一种社会现象，并没有明确或隐含他的态度。故C正确。

主旨大意题：科技正改变着伦敦乘公交的人度过旅游时间的方式。

细节理解题。本段大意：一个叫Kaldi的牧羊人注意到他的羊在吃了这种咖啡豆之后非常的兴奋，他也尝试吃了一点儿发现，自己也和羊一样。第二和咖啡有关的故事是一个伴侣在吃了咖啡之后发现自己总是很清醒，睡不着。所以第二自然段讲述的是咖啡的作用的发现过程。

细节理解题。The actual spread of coffee was started illegally. One Arab named Baba Budan smuggled (走私) beans to some mountains near Mysore, India, and started a farm there.句意为：咖啡的真正传播刚开始是非法的，阿拉伯人Baba Budan 走私了一些咖啡到了印度附近的Mysore地方，由此可知Baba Budan 做的事情卷入了政治。

A细节理解题。Not only did the soup save the group, but the residents of the nearest town, Mocha, took their survival as a religious sign. The plant and its beverage (饮料) were named Mocha to honor this event.句意为：这种咖啡饮品不仅救了他们，而且最近的小镇Mocha里的居民把他们的幸存视做宗教的信号，这种植物还有它的饮料补命名为Mocha以纪念个事件。

B主旨大意题。文章主要讲述了三个方面的问题，一是咖啡功能的发现；二是咖啡被命名为Mocha的原因；三是咖啡对外的传播，以及刚开始与政治的关系。所以本文讲述的都是有关咖啡的事情，因此答案应为B

推理判断题。根据第一段"天文学家在不久的将要找到类似地球的行星，这是确定人类宇宙中是不是还有同类"推断A项正确。

推理判断题。根据"so-called "exoplanets" —those outside our solar system"我们知道：所谓的"exoplanets"是指"那些太阳系以外行星"，根据地理常识就是指"围绕其它恒星(不是围绕太阳)转的"行星。故B项正确。

词义猜测题。根据上文"closer to answering the question离问题的答案越来越近"就是不久将来科学家们就可以回答"Are we alone?"这个问题，说明就要彻底弄懂这个问题。故A正确。再者根据"get to the bottom of"字面意义也可以推测。该词组的意思是：弄清……底细。

主旨大意题。根据文章的首段和最后一段，我们可以归纳出"不久的将来有可能发现类似地球的行星"。

细节题。从文章第一段" there are plenty of reasons we choose plastic: easier to carry, lighter than paper bags, possibly less damaging to the environment, less expensive to the shop owners, able to be used as trash bag, and so on."可知，使用塑料袋是对店主来说要便宜，而不是顾客。所以D选项正确。

推理判断题。第三段"You see, our lovely animals have been living thousands of years in a world where everything can be eaten. "作者用貌似很轻松幽默的语言表达了一个很严肃的话题。塑料被吃到肚子中，当然不会有好处的，所以C选项正确。

细节题。从文章第五段" Although workers do much work to make sure water and air system won't be polluted, some do. Guess what, plastic bags are made from petrol, a harmful waste material, which in one way or another makes its way to the environment."可知，塑料是由一种有害材料制成的，被埋到地下后仍然会对环境有害，所以A选项正确。

推理判断题。从文章最后一段"One of the best suggestions is not to use a bag at all or bring your own cloth bags. ""And there are more opportunities recycle paper bags."可知说完塑料袋的危害后，作者又提到了一些建议，所以接下一段应该是和建议有关的，故A选项正确。

推理判断题。文章整篇是用反语讽刺的语调写的。如第三段末尾"You see, our lovely animals have been living thousands of years in a world where everything can be eaten. "和第四段末尾"So our little bag continues his adventure getting caught in trees, eaten by birds or making its way to our lakes or rivers."所以C选项正确。

考查推理判断。根据文章第三段中的Your body language says a lot about you - it says whether you have confidence, or simply if you really care. Talking physically, it is one of the most important physical characteristics you need!可知，正是你的得体手势语和行为使你尽显魅力。故选D。

考查细节理解。根据文章第二段中asking lots and lots of questions makes people feel like you care, you can be trusted.可知，选B。

考查推理判断。根据文章第四段中的Have you ever seen someone just sitting around, doing nothing? How unattractive.Always be busy with something, even if for some reason you have to make something up.可知，选B。

考查细节理解。根据文章第五段中的If you are smiling genuinely, you can draw everyone for 100 meters around to you.可知，选D。

主旨大意题：根据句首第一句：To many web-building spiders, most of whom are nearly blind, the web is their essential window on the world: theirmeans of communicating, capturing prey, meeting mates and protecting themselves. A web-building spider without its web is like a men cast away on an island of solid rock，totally out of touch and destined to starve to death. 对许多织网的蜘蛛来说，他们大部分几乎是瞎子，网是他们在世界上必须的东西：他们交流，捕捉猎物，会见同伴，自我保护的的方式。

细节理解：根据A web-building spider without its web is like a men cast away on an island of solid rock，totally out of touch and destined to starve to death. 一个没有网的蜘蛛就像一个被扔在荒石岛上的人，完全与人失去联系，注定要饿死。所以选C。没有网的话，蜘蛛很可能会死掉。

词义猜测：根据前文For 16 days the starving spider builds completely normal webs. 饥饿的蜘蛛16天的时间会织造完整的正常的蛛网。和后句Such webs would only trap larger prey, which is more economical from the perspective of a starving spider. 这样的网只用来捕捉提醒大些的猎物，这样做，从一只饥饿的蜘蛛的角度来说更加合算。所以推测出更瘦的，骨瘦如柴的。

细节理解根据Scientists are impressed by the adaptability of the spider's highly preprogrammed brain,蜘蛛的高度预编好的大脑的适应性给科学家们留下了深刻印象。下面用蜘蛛能修补好蜘蛛网为例证明这个论点。反之，蜘蛛能修补好蜘蛛网证明了蜘蛛有高度预编的大脑的论点。

词义猜测题。根据第一段的Praise-aholic kids who expect it at every turn 判断：Praise-aholic kids是指非常喜欢被表扬的孩子。故选D 。

推理判断题。通读全文，可以看到作者引用Dr.Dweck 的话是为了使文章更有说服力。A比较熟悉；B组织的更好；C 更有说服力；D 更有趣。故选C。

推理判断题。通读全文尤其是第一段判断;过度的表扬会造成相反的影响，第三段She found that kids praised for "trying hard" did better on tests and were more likely to take on difficult assignments than those praised for being "smart". 表扬努力比表扬聪明使学生在考试时做得更好。故选A 。

推理判断题。从第二段each being 5-10% smaller than its next largest competitor可得知如果身体大小超过权威的规定范围，会有被殴打、驱逐最后被吃掉的危险。选D

猜测词义题。从本段前文可知，体积超标的鱼会被赶出鱼群。接着说到，不仅如此，这些鱼往往会被吃掉。这些鱼一定是指被驱逐的鱼。选B

事实细节题。从第四段中的试验和句子：To their surprise，the gobies simply refused the extra food they were offered，clearly preferring to remain small and avoid fights，over having a feast.可得知这些鱼是自愿节食。故选D

主旨大意题。从文章的第一段的内容Fish diet to avoid being beaten up，thrown out of their social group，and getting eaten as a result.和文章通篇可知都是围绕鱼的节食来叙述。故选 D。

考查推测词义。根据文章的第三段可知More than half the surveyed users (63 percent) said they have answered a phone call in the bathroom, and almost half (41 percent) reported initiating a phone call. 可知，63%的人在浴室接过手机电话，几乎41%的人开始在浴室使用电话。故选D。

考查推理判断。根据文章倒数第二段中Nicole Burdette所说的"This study confirms what we all know: that the last private place is no longer private."可知，最后的私密空间也不再私密了。可推知C正确。

考查推理判断。根据文章最后一段中的only 14 percent said they wash their phones.可知，不洗手机不卫生，洗了手机，手机可能会坏。所以作者认为：不应该在卫生间使用手机。故选B。

考查作者的写作态度。根据文章最后两段中的This study confirms what we all know: that the last private place is no longer private.和only 14 percent said they wash their phones.可知，作者不赞成在卫生间使用手机。故选B。

考查推理判断。根据文章第一段中的Their study concludes that the best predictor of a winner's musical performance was the visible passion they displayed可知，研究表明：获胜者的音乐表演最好的预测因素就是他们表现出来的可以看到的激情。故选A。

考查细节理解。 根据文章第三段中的More than 1,000 participants in the study were given samples of either audio, silent video or video with sound, and asked to rate the top three finalists from 10 international classical music competitions. 可知，参赛者中要选出最好的3个人。故选C。

考查推理判断。根据文章第二段中的For the last two decades, I've taken part in various competitions.和This led me to wonder about how much visual information really affects these important decisions可知，是Dr Tsay的参加各种比赛的经历，致使她对这个项目进行研究。故选C。

考查推理判断。根据文章的内容可知，本文讲述的是：在音乐比赛中，无声视觉所起的作用。这是与自然科学相关的内容，所以D正确。

细节题：从第一段的句子：many people believe that our progress depends on two different aspects of science. 可知很多人认为科学不止在一方面影响社会。选B

细节题：从第三段的句子：First of all, it seems that a successful scientist is curious - he wants to find out how and why the universe works. …..and looks for relationships even if the data available seem to be unconnected.可知好奇的科学家会努力的找出潜在的联系。选B

细节题：从第五段的句子：He does not accept statements which are not based on the most complete evidence available. He rejects authority as the only basis for truth.可知科学家不会轻易的相信没有合适的说法，选A

细节题：从第四段的句子：He is a good observer, accurate, patient and objective（客观的） and uses the facts he observes to the fullest. 可知好的科学家用的数据是客观的，选C

主旨题：从第三段的句子：What are these special methods of thinking and acting?可知这篇文章讲的是科学家的思维和表现的方式。选C

细节题：从第二段的句子：In Kenya, researchers have found that elephants react differently to clothing worn by men of the Maasai and Kamba ethnic groups. Young Maasai men spear animals and thus pose a threat to elephants; 可知Maasai 会用矛袭击大象，对大象是个威胁。选A

细节题：从第三段的句子：When the elephants detected the smell of clothing worn by a Maasai man, they moved away from the smell faster可知当闻到有危险的气味，大象会害怕的逃跑。选D

主旨题：从第一段的句子：Elephants can! They can use their sense of vision and smell to tell the difference between people who pose a threat and those who do not. 可知这篇文章讲的是大象可以通过气味和颜色探测危险。选B

推理题：从最后一段的句子：The researchers believe that the elephants' emotional reactions are due to their different interpretations of the smells and the sights. 可知大象的行为是因为它们的经历中。选A

细节理解题。从第二段it puts them in a position for takeoff. Unlike birds, bats can't fly into the air from the ground.它可以让它们处在一个起飞的位置，蝙蝠不像其它的鸟一样可以从地面起飞。故选B。

推理判断题。根据第三段During the hours when most enemies are active, bats gather where few animals would think to look and most can't reach.，在大多数敌人很活跃的时候，蝙蝠躲在一个极少动物会认为需要查看或是大多数够不着的地方。other flying animals don't have the ability to hang upside down其它飞行动物都没有倒挂的能力，可知倒挂的这种休息方式是很好的躲避敌人的办法。故选C。

细节理解题。根据第三段倒数第四行their tendons are connected only to the upper body, not to a muscle.它们的腱只跟上面的身体连在一起，而不跟肌肉相连。故选D。

主旨大意题。根据第二段第一句There are a couple of reasons why bats rest this way蝙蝠为什么这样休息有好几个原因可知。故选B。

细节理解题。根据第一段"The earliest known frogs lived about 190 million years ago"可知本题选D。

细节理解题。根据第二段"The Gold Frog and the Poison Frog are the smallest frogs in the world."可知本题选A。

细节理解题。根据第三段"The Australian Rocket Frog can even jump over 2m," 可知本题选D。

细节理解题。根据第四段"When the temperature goes down, they become ice frogs." 可知本题选B。

推理判断题。本文讲述了 Kwon 的原子能电池的有关情况，文章体裁应属于科普文章，所以 A 项正确。

细节理解题。根据第六段的句子：part of the radiation energy can damage the lattice structure(晶体结构) of the solid semiconductor,"及"By using a liquid semiconductor, we believe we can minimize that problem."可知，通过使用液态半导体材料，可减少对晶体结构的破坏。选D

细节理解题。根据 Kwon said that battery could be thinner than the thickness of human hair 可知这种原子能电池可以做的很薄，C 项正确。

细节理解题。根据文章第四段的句子："However, nuclear power sources have already been safely powering a variety of devices, such as pace-makers, space satellites and underwater systems."可知 Kwon 举例的目的是为了说明核能电池是安全性，选B

语义理解题。第二段提到，英国努力使艺术走出画廊而进入public places。使很多医院的走廊候诊室、诊室中都有了significant collections of contemporary art（数量可观的当代艺术作品），由此可知，国家召集艺术家们改造旧医院，从而soften the hard edges of modern buildings, 就是要用art collection来装饰医院，使医院看上去不那么生硬、冷漠。

事实细节题。根据第二段第一句These recent initiatives(首创) owe a great deal to one artist, Peter Senior ... early 1970s可知这些首创大部分要归功于一个名叫Peter Senior的艺术家，他早在70年代初期就在位于英格兰东北部的曼彻斯特医院建立了他的工作室, 由此可知，他是第一位将艺术引进医院的人。

事实细节题。从第一段The medical world is gradually realizing that the quality of the environment in hospitals may play a significant role in the process of recovery from illness可得知答案D。

态度题。从第四段中What a better place to hold regular exhibitions of art!及倒数第二段The effect is striking说明作者对艺术展的影响持肯定态度。

从第二段最后一句It is said that they are only dangerous to humans if the water volumes are less and lower可得知正确答案为C。解题时也可以根据选项结构及内容先答案应该是在CD两项中确定，再进一步找信息句排除选项D。

从第三段.... it regularly coils（缠绕）around all over its target, increasing the pressure until eventually its victim dies可得知水蟒主要是通过它的力气将目标物缠绕致死，故选择B。

从第三段so they look like their surroundings可以得知答案C，即乔装自己使它们看起来像周围的环境从而躲避自己。

文章最后一段主题句是The golden poison frog might be the most-deadly of the South American animal, which is protected by means of poison。然后通过举例子人，鸡，狗等动物论证支撑这一观点，故选D

细节理解题。根据Restoring the quake-hit ecosystems is a question of balancing the interests of the local people and the environment. 既要保护环境又要顾及人们的兴趣，故选D。

推理判断题。根据they now have a forestry coverage of 85% or more, compared to the 30% they had 15 years ago. Back then, land was used very inefficiently: 由于土地的面积减少，使绿地的覆盖率相对的增加，故选A。

细节理解题。根据When an ecosystem has not been pushed past certain limits, it is able to recover on its own.自然在生态环境的恢复上起着重要的作用，故选B。

细节理解题。根据The first project should be established in nature reserves hit by the quake;在地震受灾区应该建立自然保护区，故选D。

细节理解题。第三段是讲述经济的发展和人民生活水平的提高需要更多的电，但是煤，石油等自然资源有限，这些都是中国别无选择只能发展核电的原因。所以A选项正确。

细节理解题。 从文章第二段Nuclear power is facing a tough time in developed countries. The Japanese public is demanding the closure of all the country's nuclear power plants和第七段The opposition to nuclear power program in developed countries has prevented…判断可知发达国家人们对核电是反对态度，B选项正确。

细节理解题。从文章第四，五，六自然段可知中国要发展核电首先要做的是确保核电生产的安全。故D选项正确。

推理判断题。文章最后一段讲述中国发展核电肯定会和发展高铁一样引起争议，但是中国一定会发展有中国特色的核电事业，由此可知中国发展核电的决心，所以B选项正确。

推理判断题。"Sugar may be to blame but people who drink sweetened sodas regularly often have other poor health habits,"意思是糖应该承担责任（在患胰腺癌方面），但是那些喜欢喝含糖饮料的人经常有其他不良饮食习惯。由此可知其他的不良饮食习惯也会导致胰腺癌的发病，所以D选项正确。

细节理解题。从"the finding was based on a relatively small number of cases and it remains unclear whether it was a causal(因果的) connection or not."可知Susan认为研究的病例比较少，含糖软饮料和胰腺癌之间的关系还有待于进一步证实，所以她是持怀疑态度的。B选项正确。

主旨大意题。?文章开头提出中心People who drink two or more sweetened soft drinks a week have a much higher risk of pancreatic cancer ，然后再进一步叙述研究细节详情等，所以D选项正确。

主旨大意题。文章首段提出human beings will move to Mars，然后围绕此话题展开论述，所以文章中心应该是将火星地球化问题。所以A选项正确。

词意猜测题。由后句so that Earth's life forms can survive there.可判断为了让地球上的生命能在火星上存活，就要改变火星上的条件以便更适合地球上生命的生长，所以alter应该是改变的意思。

推理判断题。由第二段Terraforming means altering a planet's surface so that Earth's life forms can survive there.可知使火星地球化的目的是让地球上生命能在火星上存活，故D选项正确。

细节理解题。文章第二段Mars resembles the earth in many aspects。。。和 These resemblances have caused many people to consider a centuries-long project: to terraform Mars.，由此可知A选项正确。

推理判断题。A 乐观的；B 否定的；消极的；C 怀疑的；D 客观的。从文章倒数第二段While the possibility of such a project is small, it is not impossible可知作者对此事持乐观态度。

细节理解题。根据根据第一段可知：传统经济发展模式的危害是使全球气候变暖、不能持续发展、给未来发展造成损失。所以B正确。

推理判断题。根据It is now trying hard to make full use of wind and solar energy, and is spending a huge amount of money making electric cars and high speed trains. 可推知高速列车是低能环保的发展趋势，故选C。

细节理解题。根据First, they can set high targets for reducing carbon emission (排放) and targets for saving and reusing energy. 为了发展低碳节能政府鼓励节能，故选D。

细节理解题。根据That is no small task, but it offers abundant new chances for sustainable product industries.企业要发展可持续的产品，故选A。

写作意图题。文章由传统经济发展模式的弊端引出可持续经济发展的模式，作者通篇阐释了可持续经济发展的模式的好处及发展方向。所以作者提倡可持续发展。故选D。

细节题，由第一段第一行Ever wonder how much a cloud weighs? What about a hurricane和第二段第一行a cumulus cloud可以知道a tornado没有被提到，故选B。

细节题，由第一段最后一句A meteorologist has done some estimates and the results might surprise you.可以知道Peggy LeMone对这个结果很惊讶，所以选C。

细节题，由最后一段最后一句Perhaps even more than all the elephants that have ever lived on the planet可以知道地球上的大象不到4千万，所以选C

主旨题：气象学专家对云重量进行测试，把云的数量和地上的大象进行比较，就是把天上的云看成大象的重量，选D

考查推测词义。根据文章的第三段可知More than half the surveyed users (63 percent) said they have answered a phone call in the bathroom, and almost half (41 percent) reported initiating a phone call. 可知，63%的人在卫生间接过手机电话，几乎41%的人开始在卫生间使用电话。故选D。

考查推理判断。根据文章倒数第二段中Nicole Burdette所说的"This study confirms what we all know: that the last private place is no longer private."可知，最后的私密空间也不再私密了。可推知C正确。

考查推理判断。根据文章最后一段中的only 14 percent said they wash their phones.可知，不洗手机不卫生，洗了手机，手机可能会坏。所以作者认为：不应该在卫生间使用手机。故选B。

考查作者的写作态度。根据文章最后两段中的This study confirms what we all know: that the last private place is no longer private.和only 14 percent said they wash their phones.可知，作者不赞成在卫生间使用手机。故选B。

考查细节理解。根据文章的第四段中的As the sun is hidden by clouds of dust, temperatures around the world fall to almost zero. 可知A正确；根据第三段中的Cities on the African coast are totally destroyed and millions of people are drowned. 可知B正确；根据文章的第四段中的Crops are ruined. Wars break out as countries fight for food. 可知C正确；根据文章最后一段中的Will we meet the same end?可知，人类是否会灭绝没有讲清楚。故四个选项中D不正确。

考查推理判断。根据文章的最后两句话The dinosaurs couldn't survive in the cold climate that followed and they became extinct. Will we meet the same end?可知，恐龙在那种寒冷的环境下会灭绝，人类未来也可能有同样的遭遇。故选B。

考查作者的写作意图。根据文章最后一段中的Could it really happen? In fact, it has already happened more than once in the history of the Earth. 和Will we meet the same end?可知，作者在给人类提出未来可能发生灾难的警示。故选C。

考查文章的出处。此处article of popular science大众科学文章；news report新闻报道；research paper研究论文；horror story恐怖故事。根据文章的大意可知，是一篇大众科学文章。故选A。

根据短文第二段描述，可知周云云打算和他的网友在线过春节。故选D。

根据第四段"I might feel a bit lonely，but at least I can stay away from my parents' complaining and enjoy the peaceful and quiet stay，"描述，可知对于他来说将会有一段安静祥和的休息时间。故选C。

联系上文二三段及下文He warned that this kind of lifestyle can damage students' mental and physical development.描述，可知此处指的是，社会上产生了一种极为懒惰的人。故选A，不积极的人。

根据最后一段Instead，it must be achieved through real life experience and communication."描述，可知专家建议学生们去体验真实的生活和人际交流。故选D。

细节理解题。根据the bends可定位到首段。由"The consequence…is sharp pain and a bent body—thus the name."可知答案，a bent body和a twisted body是同义转换。由第二句的"Nitrogen dissolved in his blood is suddenly liberated by the reduction of pressure."可知，这是说the bends的形成原因，故C、D项错，而B项文章没有提及。选A。

推理判断题。题干中的关键词是Rothschild's study，由此可定位到第三段的前两句。根据"…to find out how widespread the problem was in the past…to investigate was how ichthyosaurs adapted to the problem of decompression…"可知答案为B。

推理判断题。根据第四段"…he assumed that signs of the bends would be rarer in younger fossils, reflecting their gradual evolution of measures to deal with decompression.Instead, he was astonished to discover the opposite."可知，Rothschild的假设结论与在研究过程中得出的结果是相反的，故选C项。

推理判断题。根据倒数第二段可知，Rothschild认为鱼龙在进化过程中反减压方式进化失败，故选A项。

主旨大意题：根据全文讲述的主要内容得知：科学家们发现人的肤色是由基因决定的。选D。

推理判断题 从文章第二段的句子Scientists have changed the colour of a dark-striped zebra fish to uniform gold by inserting a version of the pigment (色素) gene into a young fish.：得知，人们可以用化学药品改变肤色。选C。

细节理解题：从第四段的句子：Asians have the same version of the gene as Africans, so they probably acquired their light skin through the action of some other gene that affects skin colours, said Cheng. 可知A是对的，从第二段的句子：Scientists have changed the colour of a dark-striped zebra fish to uniform gold by inserting a version of the pigment (色素) gene into a young fish.可知B是对的，从第四段的句子：Humans acquired dark skin in Africa about 1.5 million years ago to protect bodies from ultra-violet rays of the sun, which can cause skin cancer.可知C是对的，但是文章没有提到人们喜欢杰克逊。选D。

推理判断题，本文主要讲述基因决定人的肤色。但是科学家已经发现可以用化学药品改变肤色。所以是一篇科普文章，应该选自科学报告。选B。

细节题：从第二段的句子：Their findings came after it was previously claimed that ladies speak about 20,000 words a day—over 13,000 more than men. 可知McCarthy 不是第一个发现女性健谈的科学家。选D

猜词题：从第三段的句子：But when the pups幼崽 were returned to their mother's cage, she fussed over her sons first. Tests conducted on the parts of the brain known to be associated with vocalcalls showed the male pups have up to twice as much Foxp2 protein as the females.可知动物妈妈更倾向于Foxp2蛋白质含量较高的孩子。选A

推理题：从第二段的最后一句话和最后两段的内容，可知对老鼠的实验主要发现Foxp2蛋白质和声音的交流的联系，选D

主旨题：文章本文主要讲解美国研究人员发现女性比男性更健谈，因为她们大脑中有一种"语言蛋白质"比男性要多，所以文章主要是讲为什么女性更加健谈。选B

主旨题：从第一段的句子：If you could grab your diving gear and swim down 650 feet into the Pacific Ocean off the coast of Washington State, you would witness the secret world of glass reefs.可知这篇文章介绍的是海底的玻璃礁。这里的玻璃礁就像一个"城市"一样，选C

细节题：从第五段的句子;"It's a new ecosystem we know nothing about," said Dr. Johnson.可知这种玻璃礁是大家不熟悉的生态系统。选C

细节题：从第四段的句子：The methane feeds bacteria, and the bacteria feed the glass sponges.可知甲烷养活细菌，细菌养活玻璃礁，所以玻璃礁是依靠细菌的选D

细节题：从第六段的句子：The glass reef is also a nursery for the babies of many of these creatures and was called a "kindergarten" by scientists.可知很多生物的孩子在玻璃礁里面生活的很好，就像一个幼儿园。选A

猜词题：从最后一段的句子：The first was discovered in Hecate Strait off the coast of British Columbia in 1991.可知这种玻璃礁很少见，科学家看见的时候很惊讶。选A

标题归纳题。根据"But they can also cause a lot of problems, sending you to the wrong place or leave you completely lost."及后面对于全球定位系统经常出现的问题的讲述，总结出选A。

词义猜测题。根据"And, then it wasn't until they were driving for thirty minutes that they realized they had put in a destination back on the West Coast where they lived. They actually put their home address in."可知驾驶人输错了地址，而GPS没有纠正这个错误，所以又把他们带回了原地。故选B。

细节理解题。根据""One problem with many GPS units is they have a very small screen……"和"These include maps that are outdated, incorrect or difficult to understand. They also include timing issues related to when GPS commands are given."可知GPS的缺点包括屏幕小，过时的地图和指令发出时间的不准确。不此题选D。

细节理解题。根据第六段"Barry Brown says this goes against a common belief that GPS systems are for passive drivers who lack navigational (导航) skills."可知人们普遍认为GPS适合没有方向感的驾驶者。故选C。

细节理解题。根据纵观全文及短文的开头可知这篇文章主要叙述了妇女的声音对植物的生长是有利的，故选C。

句意理解题。根据He assumes that women have a greater range of pitch（音高） and tone（音调） which might have a certain effect on the sound waves that reach the plant.可推出正如声音和光一样妇女的声音对植物也有的影响，故选C。

细节理解题。根据Sarah Darwin was the one making the plants registered the best growth 可以推出他可能是一个植物学家，故选A。

细节理解题。根据The study began in April at RHS Garden Wisley in Survey.及Afterwards researchers selected a number of different voices and played them to 10 tomato plants during a period of a month. 可知实验四月开始的经过一个月的时间所以应该到五月就结束了，故选A。

细节理解题。从文章第三段And, he has been working for the past forty years to put together the best of both and find a cure for aging.可知他是通过中西医结合研究出了人变老的奥秘。所以C选项正确。

细节理解题。文中提到 it is the kidney（肾脏）which adjusts the functioning of the body as well as aging process,肾脏调节人体的功能以及变老的过程，由此可知B为正确选项。

细节理解题。从文章倒数第三段可知This happens because when people grow old, their bodies produce T-cells.因为人变老的时候，他们的身体产生T-cells。所以A选项正确。

推理判断题。从文章末句But how effective it will be, only time can tell.可以判断作者不能确定效果，药物如何还需要时间的检验，所以D选项正确。句意：但是效果会如何呢，只能靠时间来证明。

细节理解题。根据第一段的Thanks to new cars and power plants, air pollution is bad and getting worse in much of the world, and it's taking a major toll on global health.（由于新车和发电厂，空气污染变得更糟了在世界许多的地方，正占据全球健康伤亡人数的主要原因。）和第二段的For the first time ever, air pollution is on the world's top – 10 list of killers, and it's moving up the ranks faster than any other factor.（历史上第一次，空气污染高居世界最高峰—10大杀手名单，比其他因素攀升的都快。）判断，选D。

词意猜测题。byproduct意为副产品，根据本句句意：但是经济的增长带来了一个"副产品"，一个明显或者有时不太明显的副产品，在像北京、新德里和雅加达这样的城市上空弥漫着雾蒙蒙、难闻的气味。）所以在这里byproduct就是经济的后果，发展经济以牺牲环境为代价。故选A。

细节理解题。第三段第一、二句的意思是：那么空气污染怎么会如此伤人？是那些非常细小的烟雾—如此细小以至于它深深植根于在肺里然后进入到血液里—导致大多数公众由于空气污染患上的健康问题包括死亡。由此判断空气污染导致死亡的基本原因是C。

主题归纳题。本文主要讲述的是经济的发展带来的空气污染进而致人死亡的问题。其他为次要问题。故选D。

推理判断题。最后一段的意思是：但是解决空气污染的最好的办法可能还涉及到城市规划设计。发展中城市的人有车的多了因为有钱了，但是不能意味着更致命的空气污染。更高的收入意味着更有利的环保措施，正如西方国家一样。所以富了更应该有更严厉的规章制度来应对空气污染。故选B。

推理判断题。从文章第二段Lung patients , who have seen how it would work , have welcomed the research .可知肺部患者见过这种装置的运作过程，由此推断这种发明曾经展示过，故B选项正确。

细节理解题。从文章倒数第二段"We have to stress that this is several years away from being used , even in a trial stage,"可知即使是试验阶段也得需要几年的时间才能被使用。

推理判断题。A消极的；B怀疑的；C好奇的；D客观的。从文章的整体内容可知，作者只是介绍这种装置，引用或转述别人的话，而没有加入个人的观点看法，由此可知D选项正确。