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共75小题，约2540字。

　　Unit 6 《The Earth’s Atmosphere》同步检测题
　　Ⅰ. 根据句意和首字母提示补全单词：
　　1. What is the atmosphere          up of?
　　*2. Is the air around us         or dirty?
　　**3. The kite is probably made of        , it is very beautiful.
　　*4. —Than for your dictionary.
　　—With my p     .
　　5. The atmosphere s        the earth like a blanket.
　　*6. We have to i         the air quality.
　　**7. There was a shortage of o       at the top of the mountain.
　　**8. Secondhand smoking can also c      lung cancer.
　　**9. The poisonous gases can have bad e         on our health.
　　*10. The cars in big cities are used for b       and pleasure.
　　Ⅱ. 用所给单词的适当形式填空：
　　**1. Nancy found a book        (lie) on the ground on her way to school this morning.
　　2. Lucy is good at       (sing).
　　3.          (watch) TV too much is bad for our eyes.
　　4. He works hard         (improve) his English.
　　*5. Our classroom        (clean) every day.
　　**6. Homework         (must hand) in before class.
　　*7. Next week we are going to go hiking instead of          (climb) the mountains.
　　*8. You’re so tired, please stop        (have) a rest at once.
　　9. She is ill. So she’d better         (stay) in bed for a few days.
　　**10. People who travel to the mountains find it harder to        .
　　Ⅲ. 根据中文提示完成下列各句：
　　1. 民警们必须保护孩子们，使他们免于危险。
　　**The policemen                                           .
　　2. 学校足球队是由25个学生组成的。
　　The school football team                               25 students.