重点单词：
1、disgusting
adj. 令人厌恶的
令人极不能接受的
It tasted disgusting.
它尝起来令人极为不快。
2、definitely
adv. 清楚地，当然；明确地，肯定地
I'm definitely going to get in touch with these people.
我一定要联系上这些人。
3、essential
adj. 基本的；必要的；本质的；精华的
n. 本质；要素；要点；必需品
It was absolutely essential to separate crops from the areas that animals used as pasture.
把庄稼与牲畜的放牧区分开至关重要。
4、primitive
adj. 原始的，远古的；简单的，粗糙的
n. 原始人
Primitive humans needed to be able to react like this to escape from dangerous animals.
原始人们需要能够像这样反应以逃脱危险的动物。
重点短语：
1、because of
adv. 因为；由于
It is mainly because of my fault.
这主要是由于我的过错。
考考你（翻译）：
1、令人无法接受的是，所有这些损坏都是由无所顾忌的肆意破坏造成的。
2、她打定主意要继续与监狱里的女人一起工作。
3、由于他们还必须疾速短跑，因此速度是至关重要的。
答案下期公布：
上期答案：
1、For six months they camped out in a meadow at the back of the house.
2、They were forced to forage for clothing and fuel.
3、The plan with which we've stayed has been replaced by a new one.