【判断题】
光学平直仪可以测量V 形导轨在垂直面内的直线性误差，不可以测量它在水平
A. 对
B. 错
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答案
B
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A. 对
B. 错
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精密水准仪的特点，望远镜的放大倍数率不小于40倍，水准管分划值小于2″/2mm，带有平行玻璃板测微器读数装置，最大分划值可达到0.05mm，带有通用的精密水准尺
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设备修理网络计划是“横道图”，它能直观地显示出生产任务的关键路线，关键节点，修理工艺的先后顺序和相互关系，以及完成每个节点的进度要求，按照设备大修程序，进度安排一般都是先进后松，以确保周期
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( ) 26. Where does the writer of "The little Prince" come from?
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【单选题】
( ) 27. What does the prince do after the fox tells him a secret?
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( ) 28. What does "The little Prince" mainly talk about? It' s about _________．
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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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D． To let people know how poor he was．
A. A
B. B
C. C
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【单选题】
( ) 30. Why did the father not ask his son not to do this and do that？
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A. A
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C. C
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【单选题】
( ) 31. What would someone learn from this passage？
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A. A
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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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【单选题】
( ) 33. Why did Natalie Smith pay for the six cars behind her?
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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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【单选题】
( ) 36. What can we infer from the last paragraph?
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B. People who receive kindness are likely to offer it to others.
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A. A
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【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
