3 . 砖块像秋天的红叶一样覆盖着地面，但是没有风能把它吹走。(汉译英)

4 . 根据句意从方框中选出合适的短语，并用其适当的形式完成句子。

refer to... as...,     take possession of,     bond with,     separate... from..., mix up,     date back to,     be at the mercy of,     license... for

1. Cuba is south of America, __________ it by the Strait of Florida. It gains its reputation for its dynamic music and dancing.
2. When learning English, beginner often gets various tenses (时态) __________ and makes some grammatical mistakes in writing sentences.
3. As is indicated in Patent Law of the People’s Republic of China, any individual or enterprise isn’t allowed __________ others’ inventions without their permission.
4. The ancient city relic near Yellow River __________ around 5300 years ago is acknowledged by Chinese archaeologists as a discovery of great historical significance.
5. When typhoon struck the harbor, boats on the coastline __________ rough sea and violent wind.
6. Know some basics of children psychology, and you will have no difficulty in __________ your son and daughter.
7. Canada which features its unique geographic sights of North America __________ “True North”.
8. It was three months before this anti-depression drug __________ the mass production.

7 . Your life and career don’t rely on the ideas __________ (bounce)around in your heads but your down-to-earth actions. (所给词的适当形式填空)