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素能提升演练（十九）
必修4 Unit 4
Ⅰ. 单词拼写
1. We shall _________ (保卫) our motherland，whatever the cost may be.
2. The museum had several paintings _________ (代表) the artist’s early style.
3. The boy looked at me _________ (好奇地)as if I were a complete stranger.
4. He is fluent in _________ (口语的) English，but is not good at written English.
5. The machine will not _________ (运转) properly if it is not kept well oiled.
6. The police took down the witness’s _________ (陈述)．
7. There were calls for _________ (主要的) changes to the system.
8. Try to avoid being _________ (主观的) and one-sided when looking at problems.
9. Speak clearly，or you’ll make yourself _________ (误解)．
10. As you _________ (接近) the school, the first building you see is the teaching building.
Ⅱ. 语法和词汇知识
1. [2012杭州模拟]This company was the first _________ portable radios as well as cassette recorders in the world.
