正在载入内容......
英语听力是英语教学中四项基本技能之一,也是中国学生的一个难点。突破这个难关不仅有助于其它单项技能的训练,同时也为培养学生的英语交际能力...
Collapse of ice shelf could have global effect!l The unprecedented collapse of an ice-shelf in Antarctica could indirectly lead to a significant rise i...
发布: | |
Safe Sex for Moths Don: All right, Yael, you're a moth. And mating for you is a big deal because it takes eight or nine hours. So the last thing y...
发布: | |
Picture this: A foraging squirrel comes into range of a hungry, coiled rattlesnake. The squirrel realizes the danger too late--the rattlesnake strikes ...
发布: | |
Think back to your college days, the good old days when life was easy.Stay up all night partying or even studying? No problem. Eat pizza every night an...
发布: | |
Everybody loves the swimming pool. But how clean is the water in the average backyard or public pool? If you trust chlorine to take care of germs, you&...
发布: | |
Are You Looking at Me? Yael: Today, on A Moment of Sci...Don, why are you staring at me like you're angry? It's freaking me out. Don: Well, y...
发布: | |
Have you ever considered the possibility that the sun will eventually burn out? Don and Yael discuss that sobering thought on this Moment of Science. [...
发布: | |
In this Moment of Science Don tells Yael about another weight loss program. At least this one has some scientific validity, but don't count on los...
发布: | |