31. require sb. to do sth.

=require that sb. (should ) do sth.要求某人做某事

Sth. require doing / to be done 某物需要被

32. be supposed to do 应该

33. be equipped with … 装备有……

34. be essential for / to … 对……是必要的

II. Sentences:

1. Think about how many changes there have been in the last one thousand years .

想想近一千年来有多少变化。

2. What problems do you think people in the future will have overcome?

你认为，未来的人将已克服了什么问题?

3.The air seemed thin as though its combination of gases had little oxygen left.

空气似乎很稀薄，好像在混合的气体中剩下的氧气很少。

4. Why not sit down and rest? = Why don’t you sit down and rest?

为什么不坐下休息呢?

5. What three visits would you ask to go on if you were Li Qiang ?

如果你是李强，你想去哪三个地方看看?

6. Neither of these creatures is easy to talk to . 这两种生物都不容易与之交谈。

7. The dimpods have so many arms and legs that you can’t tell which is which.

“丁波兹”有这么多的臂和腿，以致你无法区分哪些是手臂哪些是腿。

8. Everyone will get twice as much personal space as in flats on land.

每个人都将得到陆上公寓两倍的个人空间。

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