1 . 英汉互译
1. 优缺点 ________________
2. 财产(n). ________________
3. get through ________________
4. go through ________________
5. recognize(n. adj) ________________
6. weak(pt. pp) ________________
7. build(pt. pp) ________________
8. repay(pt. pp) ________________
9. trap(pt. pp). ________________
10. bite(pt. pp.) ________________

3 . 我们要花很长时间在这两个城市之间架起一座桥梁。
_________ between the two cities.

5 . 观察句子完成填空
1.He has been watching television all day.
2.I am tired. I have been painting the living room all the morning.
3.We have been discussing the matter several times this year.
4.His eyes ache. He has been sitting in front of the computer all the afternoon.
5.They have been building the bridge for two months.
6.He has not been working since he was fired three months ago.
1. 现在完成进行时态的构成：肯定形式：_________________ 。否定形式：_________________。
2. 现在完成进行时表示动作开始于过去，并__________到现在，动作可能__________，也可能__________。

6 . 我呼吁所有学生为创建和谐社会做出贡献。（汉译英）
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7 . 一旦我们学校建成了新的体育馆，我们就能做各种各样的运动了。（汉译英）
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8 . 科学家和研究人员积极投入到对它们的调查研究中，试图解开金字塔是如何建成的这一世界之谜。（同位语从句）
Scientists and researchers ________________ and study of them, trying to solve the mystery ________________.

9 . 他们建这座桥花了两年时间。(spend)
They ________ this bridge.