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【单选题】
直流电机的可逆性是指( )
A.
既能生成直流电又能产生交流电
B.
既能正向旋转电又能逆向旋转
C.
既能作电动机运行又能作发电机运行
D.
以上都不是
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举一反三
【单选题】Jim decides _____ swimming. [     ]
A.
going
B.
to go
C.
for going
D.
go
【单选题】—I hear Jim is going t o _________ at the school meeting. —Do you know what he is going to ________ ?
A.
say, talk
B.
say , speak
C.
speak, say
D.
talk , speak
【多选题】星级旅行社评定条件之一台账管理:旅行社需要建立的规范性台账有( )。
A.
团队管理台账 账
B.
资金管理台账
C.
散客管理台账
D.
咨询服务台
【单选题】Jim and Li Lei __________ the football match this evening.
A.
will be going to watch
B.
will going to watch
C.
are going to watch
D.
will go to be
【单选题】“对象追踪”的快捷键是什么?
A.
F10
B.
F11
C.
F12
D.
F9
【简答题】根据上下文补全对话。 Tom: 1 are you going, Jim? Jim: To the shop. I am going to 2 3 4 Tom: But l want to watch a football match. Jim: Going shopping is much better than 5 a football match. Do you think 6 Tom: N...
【单选题】3.启用对象捕捉追踪的快捷键是
A.
F11
B.
F12
C.
F13
D.
F14
【单选题】对象捕捉和对象捕捉追踪的快捷键分别是
A.
F3和F10
B.
F7和F9
C.
F3和F11
D.
F11和F3
【单选题】18号钢丝的直径为
A.
1.2mm
B.
0.8mm
C.
0.9mm
D.
0.7mm
E.
1.0mm
【单选题】звуковая энергия
A.
热能
B.
机械能
C.
光能
D.
声能
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