题目内容

A French woman who had just come to live in the United States said that she was really shocked by the way Americans behaved on the telephone. In some cases, when she attempted to converse with American acquaintances who answered her phone call, they would ask whom she wanted to speak with, and, without allowing her to continue, they would hand the phone over directly to the person she intended to speak with, as if they did not like chatting with her. On other occasions, she answered the phone, heard the voice of an acquaintance, and was surprised and hurt when the caller, instead of greeting and conversing with her, simply asked for somebody else. Apart from that, she sometimes felt a little annoyed because, unlike people in France, many American callers did not say anything to apologize for disturbing her.1) Why did the French woman feel shocked and hurt by the way Americans behaved on the telephone?2) What can you say about the habitual Chinese way of making telephone calls?

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人工插捣法制作试件,混凝土拌合物分( )层装入。

A. 1
B. 2
C. 3
D. 4

人工插捣法制作试件,以下说法错误的是( )。

A. 应按螺旋方向由边缘向中心进行
B. 插捣底层混凝土时,捣棒应到达试模底部
C. 插捣上层混凝土时,捣棒应贯穿上层后插入下层20~30mm
D. 插捣时捣棒可以倾斜,插捣后应用抹刀沿试模内壁插拔数次。

试件表面与试模边缘的高度差不得超过( )mm。

A. 0.5
B. 1.0
C. 1.5
D. 2.0

混凝土试件成型,每层插捣次数按10000mm2截面积内不得少于( )。

A. 12
B. 15
C. 25
D. 27

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