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【单选题】
带电粒子垂直磁场方向运动时,会受到兹力的作用.下列正确的是 ( )A.
兹带电粒子做功
B.
兹力不改变带电粒子的动能
C.
兹力的大小与速度无关
D.
兹力不改变带电粒子的速度方向
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【简答题】印刷机的保养可以分为日保养、 _______ _____ __ 、_______ _____ __ 、_______ _____ __ 等 。
【单选题】The word is new to us. You'd better ______ in the dictionary.
A.
look at it
B.
look for it
C.
look it up
D.
look it out
【简答题】It is really hard to say which is better than the other，city life or rural life.__小题1:__ Living in a city，people have certain advantages. First，people enjoy various entertainments，both foreign and dom...
【简答题】It is better to be thorough in answering questions and to risk being called l____________________(絮絮叨叨).
【简答题】砖墙砌筑时,立皮数杆是用来控制墙体( )以及各部件标高的( )。
【简答题】5砖墙砌筑时,立皮数杆是用来控制墙体竖向尺寸 以及各部件标高的___。
【判断题】Generally speaking, in an L/C amendment letter, to give instruction for L/C amendment, to list the errors and the amendment requirements is better than to list the points for amendment only.
A.
正确
B.
错误
【简答题】禁锢我们的认知链条 (6 words)
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