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素能提升演练（三十一）
选修10 Units 3～4
Ⅰ. 单词拼写
1. Stress should be put on the ___________ (预防) of diseases.
2. She ___________ (结束) her talk with a funny story.
3. This ___________ (假的) leather feels like the real thing．
4. His annual income was ___________ (估算) at ten thousand dollars.
5. I never ___________ (怀疑)for a minute that you were married.
6. We give preference to ___________ (申请人)with some experience.
7. He ___________ (请求)them to stop making such a noise.
8. It was ___________ (体贴的) of you not to disturb us.
9. These watches were ___________ (进口)from Switzerland.
10. The validity of such ___________ (证书) is recognized in society.
Ⅱ. 完成句子
