题目内容

两台起重机共同抬吊一个重物，已知重物质量为50t，索吊具质量为2t，不均衡荷载系数为l．1．其计算荷载应为（）。

A. 55t
B. 57．2t
C. 60．5t
D. 62．92t

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听力原文： M: Finally I’ve got the chance to put on my new suit tonight. I hope to make
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A. The man has left a good impression on her family.
B. The man’s jeans and T-shirts are stylish.
C. The man should buy himself a new suit.
D. The man can dress casually for the occasion.

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Why did the man take over a bicycle shop？

A. He wanted to be his own boss.
B. He didn’t want to be in too much debt.
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可以在竖井、水中、有落差的地方敷设，且能承受外力的电力电缆型号为（）。

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毛细管电泳的主要分离模式有、、、、、。

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两台起重机共同抬吊一个重物，已知重物质量为50t，索吊具质量为2t，不均衡荷载系数为l．1．其计算荷载应为（）。

A. 55t B. 57．2t C. 60．5t D. 62．92t

听力原文： M: Finally I’ve got the chance to put on my new suit tonight. I hope to makea good impression on your family. W: Come on, it’s only a family reunion. So jeans and T-shirts are just fine. Q: What does the woman mean？

Why did the man take over a bicycle shop？

可以在竖井、水中、有落差的地方敷设，且能承受外力的电力电缆型号为（）。

毛细管电泳的主要分离模式有______、______、______、______、______、______。

A. 55t
B. 57．2t
C. 60．5t
D. 62．92t

听力原文： M: Finally I’ve got the chance to put on my new suit tonight. I hope to make
a good impression on your family. W: Come on, it’s only a family reunion. So jeans and T-
shirts are just fine. Q: What does the woman mean？

毛细管电泳的主要分离模式有、、、、、。