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【判断题】
企业不必建立实训基地,加强班组职工安全知识、操作技能。
A.
正确
B.
错误
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【简答题】governments,media and people around the world have become very worried about something called sudan i ( 苏丹红1号).this chemical dye,_1_ in many food products, was said to _2_ cancer. newspapers told ever...
【判断题】液压泵是将电能转换成液压能的装置。
A.
正确
B.
错误
【判断题】从变量的作用域角度来分,可以分为静态变量和动态变量。
A.
正确
B.
错误
【单选题】If you are hungry in the library,______.
A.
you have to go out of the library to eat something
B.
you could eat something quietly in the reading room
C.
you could eat something in the food area
【简答题】液压泵是将 能转换成 能的装置。
【简答题】液压泵是一种将 能转换成 能的 转换装置。
【判断题】在液压系统中,液压泵是将机械能转换成液体压力能的装置,而油缸则是将液体压力能转换成机械能的装置。
A.
正确
B.
错误
【单选题】-Would you like to attend Mary's birthday party next Monday? -______________  ,for maybe I have something else to attend to  then. [     ]
A.
No problem
B.
It depends
C.
No way
D.
Out of question
【判断题】从变量的作用域角度来分,可以分为静态变量和动态变量。
A.
正确
B.
错误
【简答题】When a person is curious about something, it means he is interested in it and wishes to know something about it.There is wrong with curiosity in itself.Whether it is good or bad depends on what people...
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