用击实法对扰动土样进行试件制备时,应根据哪些要求制备:( ) A.干密度 B.含水量

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问题:

用击实法对扰动土样进行试件制备时,应根据哪些要求制备:( )

A.干密度

B.含水量

C.孔隙比

D.湿密度

考点:公路工程试验检测员考试材料材料
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阅读理解。根据对话内容回答下列的问题。

John: Mary, come and look at my family photos.

Mary: Who is this man? Is he your father?

John: Yes, he is.

Mary: What does he do? Is he a writer?

John: No, he isn't. He is an engineer.

Mary: Where does he work?

John: He works in a car company. He likes music.

Mary: How does he go to work?

John: He goes to work by subway.

Mary: What does your mother do?

John: She is a teacher.

Mary: How does she go to work?

John: She goes to work by bus.

1. What does John's father do?

_____________________________________________________

2. What does John's mother do?

_____________________________________________________

3. Where does John's father work?

_____________________________________________________

4. How does John's mother go to work?

_____________________________________________________

5. Where does John's mother work?

_____________________________________________________

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素有“裸子植物故乡”美称的国家是(  )

A.中国B.日本C.美国

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按结构分析,下列( )机器组成是正确的。

A.零件→机构→构件→机器

B.机构→机件→构件→机器

C.零件→构件→机件→机器

D.零件→构件→机构→机器

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PRS5000系统在运行时替换整流器模块,为避免产生电弧,必须要先关闭模块的市电输入开关,然后利用告警模块使整流模块脱离才能拉出整流模块。

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简述祥林嫂悲剧命运的社会意义。

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