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【单选题】
对于轴类零件的圆柱面 ( ) 检测简便、容易实现,故应优先选用。A.
圆度
B.
跳动
C.
圆柱度
D.
同轴度
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【单选题】What is the author's opinion of geothermal energy?
A.
Geothermal energy has some disadvantages, but it is probably going to be used in the future.
B.
Geothermal energy is a source that should be explored further before large-scale production begins.
C.
Geothermal energy offers an opportunity to supply a significant amount of power in the future.
D.
Geothermal energy should replace water power in the production of electricity for the United States.
【简答题】EKristy, 28, a cook in La Gross, often wondered what she’d do in a life-threatening situation. On August 29, 1997, she got her answer. While she was driving on a road a big truck hit its head on a pic...
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