1. 保护.....不受....(危害) protect.......from.....

2. 释重负;松了口气 in relief

3. 突然笑起来;大声笑了出来 burst into laughter

4. 灭亡;逐渐消失 die out

5. 在危险中;垂危 in danger

6. 和平地;和睦地;安详地 in peace

7. 注意 pay attention to

8. 对.....有害 do harm to 9.追赶 run after

10.精心挑选;认出来;辨别出 pick out

11.与......相关;与.....有联系 be related to

12.形成;产生 come into being 13.在那时 at that time

14.不但.....而且..... not only ...... but also

15.在如此段的时间内 in such a short time

16.根据.....所说 according to

预习学案4：

Translate the sentences.

1.戴茜如释重负,突然笑了起来. In relief Daisy burst into laughter.

2.我们曾是濒危的物种. We used to be an endangered species.

3.它们为什么处于灭绝的危险中呢? Why are they in danger of disappearing ?

4.为了我们肚子下面的毛我们正被杀死. We're being killed for the wool beneath our stomachs.

5.农民毫不留情地捕杀我们. Farmers hunted us without mercy.

预习学案5

重点语法: 现在进行时的被动语态

Ⅰ.含义: 表示 "某人或某事正在被.....",强调主语是动作的承受者,即主谓之间是被动关系.

Ⅱ.构成: am/is/are + being done

eg. My bike is being repaired now. 我的自行车正在被修理.

Ⅲ.注意事项:

1. 不可漏掉being, 如果漏掉,则成为一般现在时的被动语态或系表结构.

试比较: 1). Look! The children are being looked after by the teacher.

看!孩子们正被老师照看着.(正在进行的情况)

2). The children are looked after by the teacher.孩子们被老师照看.(通常情况)

2.可与部分情态动词连用,表示对正在发生的事情的推测.

He must be being scolded by his father.他一定正在被他的父亲斥责.

3.某些表示 "状态,心理活动,存在"等的动词,如have, want, need, love,一般不用