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共71道小题，约2450字。

　　Unit4单元检测试卷
　　一、单项选择（共15小题；共15.0分）
　　1.                  Great Wall is                  longest wall in the world.
　　A. The; the B. A; a C. The; a
　　2. Let's walk there. It's close                  our school.
　　A. by B. to C. from D. with
　　3. --- Dad, would you please drive                 ?
　　--- No hurry. We have enough time before the plane takes off.
　　A. faster B. more slowly
　　C. more carefully
　　4. Last Saturday's speech competition was a great                 .
　　A. successful B. success C. succeed D. successes
　　5. The teacher had to speak                  to make himself heard more clearly.
　　A. loud B. louder C. loudly D. aloud
　　6. My brother went to bed without                  the window.
　　A. close B. closes C. closed D. closing
　　7. It's summer now the weather is getting                 .
　　A. higher and higher B. lower and lower
　　C. hotter and hotter D. colder and colder
　　8. I carried the bowl with both hands                 , so I wouldn't break it.
　　A. carefully B. happily C. quickly D. carelessly
　　9. Bolt is                  runner I know.
　　A. a good B. a best C. the good D. the best
　　10. --- Why don't you go to Jason's?
　　--- Because it has                  quality clothes in town.
　　A. good B. bad C. the worst D. the best
　　11. Can you                 ? We need some actors                  the Music Festival.
　　A. sing; for B. sing; to C. swim; for D. swim; to
　　12. He                  the prize                  the best runner this year.
　　A. made; on B. got; about C. won; for D. went; for
　　13. Bill is more outgoing than                  in his class.