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【简答题】
推理和论证要得出真实的结论,一是其前提必须 ,二是从其前提能够合乎逻辑地推出结论。
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举一反三
【多选题】下列选项属于工程中常见约束的是?
A.
光滑接触面约束
B.
光滑圆柱铰链约束
C.
柔性约束
D.
固定约束
【简答题】Part B For this part, you are required to write a composition on the topic' Positive and Negative Aspects of Sports'. You should write no less than 120 words and you should base your composition on th...
【简答题】结转本月发生的制造费用 38200 元至生产成本。
【单选题】下面属于光滑圆柱铰链约束的是( )
A.
固定端约束
B.
链杆约束
C.
铰链约束
D.
固定铰链支座
【多选题】下列属于铰链约束的是:
A.
光滑球铰链约束
B.
光滑圆柱铰链约束
C.
光滑面约束
D.
活动铰链约束(支座)
【单选题】下面属于光滑圆柱铰链约束的是( )
A.
固定端约束
B.
可动铰支座
C.
链杆约束
D.
柔体约束
【简答题】Part B For this part, you are required to write a composition on the topic Harmfulness of Fake Commodities. You should write about 120 words according to the following points: (1) Reasons why there ar...
【单选题】下面不属于铰链约束的是()
A.
柔性约束
B.
固定铰支座
C.
可动铰支座
D.
光滑圆柱铰链约束
【简答题】Part B For this part, you are required to write an essay entitled Distance Education. You should write about 120 words reference to the following points: 1. Distance education develops quickly ...
【单选题】When you concentrate on the image of a certain part of your body, the part will look to you.
A.
smaller than usual
B.
smaller than any other part of the body
C.
larger than it really is
D.
larger than any other part of the body
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