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【单选题】
CA6140 型车床控制线路的电源由 TC 二次侧输出( ) V 电压提供。
A.
220
B.
380
C.
110
D.
24
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【多选题】某直线在V面的投影平行OZ轴,则该直线可能为( )
A.
水平线
B.
侧平线
C.
铅垂线
D.
侧垂线
【单选题】Future generations of physicists may look at the ______ of their former ideas and see in it, not the relics of some extinct creature, but a crude, early, yet wholly ______ version of their more modern...
A.
mockery … distinct
B.
armature … laughable
C.
specter … congruous
D.
skeleton … recognizable
E.
treatment … suspect
【单选题】全店铺折扣每月可以设置20次活动,共( )小时。
A.
240
B.
360
C.
480
D.
720
【单选题】Antique furniture ______ .
A.
may have had many former owners
B.
is on sale mainly in London salerooms
C.
has usually been polished before being sold
D.
has usually been rejected
【单选题】Which of the following may best describe the tone of the speech by the former U.S. President Carter?
A.
Doubtful and uncertain
B.
Friendly and hopeful
C.
Serious and critical
D.
Casual and friendly
【多选题】某直线在V面的投影平行OZ轴,则该直线可能为( )。
A.
水平线
B.
侧平线
C.
铅垂线
D.
侧垂线
E.
一般位置线
【单选题】The science lab being built in our school is ____________ the former one.
A.
twice as big as
B.
twice more bigger than
C.
as twice big as
D.
the twice size of
【简答题】正午的骄阳晒得他汗流浃背。
【判断题】中华民族这个概念,直到民国,一百多年前,才有梁启超提出来的。他提出这个概念,正是受到欧洲人的启发。
A.
正确
B.
错误
【单选题】—May I ask you why you left the former company? —
A.
Because I'm very co-operative and have good teamwork spirit.
B.
Because I want to change my working environment and seek new challenges.
C.
Because I have worked for two years with an American Company.
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