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【判断题】
主轴轴颈本身的圆柱度误差和圆度误差不会引起滚动轴承的变形而降低装配精度。A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】Rather than ________ a bus, many people in Chongqing prefer ________ to the workplace. [ ]
A.
to take; walk
B.
taking; walking
C.
to take; to walk
D.
take; to walk
【简答题】阅读理解。 Tired? Bored? Hungry? And more miles left to go? Help pass the time on your trip: play a ! Everyone knows that a long bus ride can make even the most exciting field trip seem boring. When th...
【单选题】Many citizens urged their government to take measures to _______ their carbon emission to reduce greenhouse effects.
A.
cut off
B.
cut up
C.
cut out
D.
cut down
【单选题】—Would you help me plan a trip? —_________________
A.
You bet!
B.
Yes, I can.
C.
Not at all.
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