【单选题】
车削细长杆时，受工件热变形影响，容易出现（ ）的形状误差___
A. 两端粗、中间细
B. 两端细、中间粗
C. 锥形
D. 双曲线
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铣削速度取15m/min，刀具直径为80mm，则主轴转速应该为（ ）。___
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【单选题】
21.—Why not take ____ umbrella with the sign “Made in China”? It is useful.
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【单选题】
22. —Do you know the boy________ is sitting next to Peter?
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25. _______ are you going to the School Uniform Exhibition, Amy ?
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【单选题】
( ) 26. Where does the writer of "The little Prince" come from?
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A. A
B. B
C. C
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【单选题】
( ) 27. What does the prince do after the fox tells him a secret?
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B．He meets many more strange adults on other planets．
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D．He discovers interesting things such as a snake, other roses and a fox
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【单选题】
( ) 28. What does "The little Prince" mainly talk about? It' s about _________．
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A. A
B. B
C. C
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【单选题】
( ) 29. What is the writer's main purpose（目的）in writing this passage？
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B．To tell people what kind of person his father was．
C．To tell the readers what present he got from his father．
D． To let people know how poor he was．
A. A
B. B
C. C
D. D
【单选题】
( ) 30. Why did the father not ask his son not to do this and do that？
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B．Because he was born from a poor family．
C．Because he was a man of few words．
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A. A
B. B
C. C
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【单选题】
( ) 31. What would someone learn from this passage？
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A. A
B. B
C. C
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【单选题】
( ) 32. What may be the proper Chinese for the underlined part in the passage？
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A. A
B. B
C. C
D. D
【单选题】
( ) 33. Why did Natalie Smith pay for the six cars behind her?
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A. A
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【单选题】
( ) 34. Judy Foreman copied down the phrase because she ___ .
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【单选题】
( ) 35. Who came up with the phrase according to the passage?
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A. A
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【单选题】
( ) 36. What can we infer from the last paragraph?
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A. A
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【单选题】
( ) 37.The greatest river for navigation is ___________.
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A. A
B. B
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【单选题】
( ) 38. From a dam, people can use the water for ___________.
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C. irrigation and making electricity D. washing clothes
A. A
B. B
C. C
D. D
【单选题】
( ) 39. The water in the river is polluted because of _____________.
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A. A
B. B
C. C
D. D
【单选题】
( ) 40. The best title of the passage is ___________.
A. Rivers in Cities B. The importance of Rivers
C. Transportation D. Natural Resources
A. A
B. B
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D. D
