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【单选题】
假想用剖切平面将形体切开,仅画出剖切平面与形体接触部分即截断面的形状,所得到的图形称为。( )
A.
剖面图
B.
断面图
C.
剖切图
D.
洁面图
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参考答案:
举一反三
【单选题】In the U.S., the senatorial term is ______years.
A.
3
B.
4
C.
6
D.
8
【单选题】听力原文:W: Hello, Tom. How was the trip? M: It was a terrible experience. W: Can you tell me what happened? M: I intended to fly to New York to attend a meeting, but I got on the wrong plane and it took ...
A.
He feels lucky.
B.
He feels awful.
C.
He feels unforgettable.
D.
He feels tired.
【简答题】HZ的交流电对人体的危害最大。
【单选题】The breakdown torque of a motor is the ( ) torque that it generates
A.
minimum
B.
maximum
C.
locked-rotor
D.
synchronous
【简答题】下述关于容积式水加热器的描述不正确的是() A.是内部设有热媒导管的热水贮存容器,具有加热冷水和贮存热水两种功能 B.具有较大的贮存和调节能力,被加热水通过时水头损失较小 C.出水水温较稳定 D.容积利用率较高
【单选题】蛋白质的含氮量很接近且恒定,平均为( )。
A.
13%
B.
14%
C.
15%
D.
16%
【单选题】听力原文:W: Hello, Tom. How was the trip? M: It was a terrible experience. W: Can you tell me what happened? M: I intended to fly to New York to attend a meeting, but I got on the wrong plane and it took ...
A.
He feels lucky.
B.
He feels awful.
C.
He feels unforgettable.
D.
He feels tired.
【简答题】____是民生之源,是改善民生、实现发展成果由人民共享最重要最直接的方式。【正确答案】收入分配
【单选题】与仪表连接的电压互感器的准确度等级应不低于( ).
A.
0.1级
B.
0.5级
C.
1.5级
D.
2.5级
【单选题】( )HZ的交流电对人体危害最大。
A.
12
B.
120
C.
36
D.
50
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