1）以至于，结果（用于引导结果状语从句）

Everyone lent a hand so that the work was finished ahead of time.

每个人都帮了忙，所以工作提前完成了。

2） 以便，为了（引导目的状语从句），从句中常含有情态动词may/might, can/could, should, would等；可与in order that 互换使用。

He got up very early so that he could catch the first bus.为了赶上第一班车，他起床很早。

Many of them turned a deaf ear to his advice, ______ they knew it to be valuable.

A. as if B. now that C. even though D. so that

B D C C

五、词汇串记

As we know, the number of some ________ (野生)plants and animals has already _________ (减少)and some animals have already ___________ (灭绝). So it is high time for us to ________ more ___________________________ (注意保护野生动植物). But how can we prevent endangered animals from being ___________ (面临...危险)disappearing? Firstly, we should ________ (保护)them ______ being _______(免遭捕杀) . It is of _________ (重要)to educate people to regard animals as our friends. Those who want to get large _______ (暴利)from hunting animals for their ______ (毛皮)should be punished. Secondly , some nature _____ (保护区)and ________ (保护带)should be set _________(为的是) animals can live ___________(平静地). It is also necessary to _______ (雇佣)some people to look after them. Only in this way will animals not be ______ (伤害) more often. Thirdly, the habit of eating the meat of some _________ (濒危) animals should be got rid of . ________________ (根据)some reports, some restaurants are still serving such dishes now. The government should make more _________(强有力的) laws to stop this _________(事件) happening again. If so, the days when all endangered animals are ____________________ (任...摆布) of human beings will be gone. If everyone has the sense of protecting wildlife, it is ____________ (必然的)that an atmosphere of wildlife protection will _____________ (形成). Thus a happy __________(结局) for both human beings and wildlife will appear.