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【单选题】
梁平面弯曲时,横截面上各点正应力的大小与这些点到( )的距离成正比。A.
截面形心
B.
纵向轴线
C.
中性轴
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反馈参考答案：
举一反三
【简答题】1.Later the
(responsible)-------was placed upon a young man called Dick. 2.The (crime)--------was
sent to prison for ten years. 3.Miss li is a
(journal)-------.She likes her job very much and she is a...
【简答题】请从下列单词中,选择正确的单词填在下面6句话的横线上,确保每个句子意思正确。(需要手动输入) bored tired worried excited annoyed sad I am _______________ because I'm going on holiday tomorrow.
【简答题】已知电路及参数 如图 6 所示 ,在 t < 0 时电路已在稳态。开关在 t=0 时从 1→2 , 求: u C (0 + ) 、 u R (0 + ) 、 i (0 + ) 。 。 图6.doc
【单选题】--Tomorrow I'm going on holiday. --______! But I'll be busy.
A.
Thank you
B.
Lucky you
C.
After you
D.
Have fun
【单选题】I'm going on holiday on the 12th . I have to be back at work on the 26th.So I've got two_______ holiday .
A.
weeks
B.
week's
C.
weeks'
D.
week
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