皮皮学，免费搜题
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【单选题】
船上在吊缸检修时,( )。A.
气缸中心线与曲轴中心线垂直度检测
B.
活塞与活塞杆的同轴度
C.
值检测
D.
填料函检修
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】The government will pipe natural gas to the city's homes in order to ______.
A.
solve the problem of being short of fuel
B.
bring down the cost of daily life
C.
reduce the pollution of the capital
D.
keep up with the development of modem society
【简答题】被装扮
【单选题】可吸入颗粒物的粒径为
A.
＜ 10 μ m
B.
＞ 5 μ m
C.
5 μ m ～ 15 μ m
D.
1 μ m ～ 5 μ m
E.
0.1 μ m ～ 4 μ m
【单选题】Dr. Smith failed many times but he finally ______ to find a successful way to solve the problem.
A.
broke off
B.
broke down
C.
broke out
D.
broke through
【简答题】The special committee recommended that _________ (这项工程不应动工)until all the preparations have been made.
【简答题】Washington and Lee worked together with parents as______to help minorities at a special pre-enrollment session.
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