【单选题】
工作表面锈皮未清除干净会引起___。
A. 气孔
B. 再热裂纹
C. 咬边
D. 弧坑
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答案
A
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【判断题】
等离子弧切割设备控制箱中的高频振荡器的作用是用来引弧的，等离子割炬接通小气流后，在钨极与喷嘴间加上一个较低电压，当把高频加在钨极与喷嘴之间时，便引燃了电极与喷嘴间的小电弧
A. 对
B. 错
【单选题】
铁碳合金平衡图中的GS显示冷却是奥氏体析出铁素体的开始线，奥氏体向铁素体的转变是___。
A. 碳在奥氏体中的溶解度达到饱和的结果
B. 溶剂金属发生同素异构转变的结果
C. 奥氏体发生共析转变的结果
D. 溶剂金属发生同素异构转变的过程
【单选题】
热处理之所以能使钢的性能发生变化，其根本原因是由于铁有___，从而使钢在加热和冷却过程中，其内部发生了组织与结构变化的结果。
A. 同素异构转变
B. 好的机械性能
C. 相当多的碳
D. 组织变化的规律
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—May I listen to the music here, Mr. White?
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11. How do you like the dishes, Eric?
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12. ______ Lin Feng has to work late, she always wears a smile on her face.
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14. We will have a _________ holiday after the exam．
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19.You can ________ ask the old man to move away to any other place because he has lived ________ here for at least sixty years．
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【单选题】
20.—I’m going back to see my grandparents this weekend．
—________．
A. It’s very nice of you B. You’d better hurry
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B. B
C. C
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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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A. an; a B. a; a C. an; \ D. \; a
A. A
B. B
C. C
D. D
【单选题】
22. —Do you know the boy________ is sitting next to Peter?
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【单选题】
23. It was dark, ______ I couldnt see what was happening.
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24.—You can use MSN to talk with Vivien on the Internet.
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B. B
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D. D
【单选题】
25. _______ are you going to the School Uniform Exhibition, Amy ?
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B. B
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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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B. B
C. C
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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？
A．Because he felt quite confident of his son．
B．Because he was born from a poor family．
C．Because he was a man of few words．
D．Because he didn't want to be much too strict with his son．
A. A
B. B
C. C
D. D
【单选题】
( ) 31. What would someone learn from this passage？
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C．What a good father should do． D．What the self-important is like．
A. A
B. B
C. C
D. D
【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?
A. She had seven tickets.
B. She hoped to please others.
C. She knew the car drivers well.
D. She wanted to show kindness.
A. A
B. B
C. C
D. D
【单选题】
( ) 34. Judy Foreman copied down the phrase because she ___ .
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A. A
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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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D. S
【单选题】
( ) 36. What can we infer from the last paragraph?
A. People should practice random kindness to those in need.
B. People who receive kindness are likely to offer it to others.
C. People should practice random kindness to strangers they meet.
D. People who receive kindness are likely to pay it back to the giver.
A. A
B. B
C. C
D. D
【单选题】
( ) 37.The greatest river for navigation is ___________.
A. the Nile B. the Amazon C. the Mekong D. the Mississippi
A. A
B. B
C. C
D. D
【单选题】
( ) 38. From a dam, people can use the water for ___________.
A. keeping the rivers clean B. only making electricity
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 _____________.
A. people's drinking water too much B. people's swimming in the river too much
C. chemicals and other materials D. people's building a dam across a river
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
C. C
D. D
