在国家和有关部门颁发的一系列管道及其附件技术标准中,()、()是两个最基本参数。

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问题:

在国家和有关部门颁发的一系列管道及其附件技术标准中,()、()是两个最基本参数。

考点:管工管工培训考试试卷
题型:填空题

北洋军阀政府于1914年成立的行政弹劾机关是( )

A.大理院
B.总检察厅
C.平政院
D.肃政厅

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根据《环境影响评价技术导则-生态影响》,()评级的生态现状调查,生物量和物种多样性调查可依据已有资料推断,或实测一定数量的、具有代表性的样方予以验证。

A.一级

B.二级

C.三级

D.一级和二级

题型:填空题

在对话空格中填上适当的单词,使对话完整正确。一空一词(含缩写词)。

( D--David ; N--Nick)

D : My father is a soldier, so he wasn' t at home much when I was young. I      1    saw him at home.

N: Did you miss him?

13: I don't think I     2     . When he was at home, he always made me do things like cleaning my shoes or  3  breakfast. My mother usually did al1 of the housework   4 when he wash' t at home.

N: Now you both seem so close!

D: Well, one thing   5   me how much he loved me and helped me understand him better.

N : What   6 ?

D : One day in December last year, I was looking for my Christmas presents. I wanted to see them before Christmas Day. I went quietly into my    7   bedroom and looked under the bed. I didn’t find any presents, but   8 , I found a photo album.

N : So?

D : To my surprise, the photos inside were all of   9 . And they were all carefully kept. On the back of one photo there were some words written by my father, " David, my dearest son, you are growing up some day to   10  us and start your new life.”

N : So, what have you learnt about your father7

D: His love for me is deep and strong, but it’s hard for him to talk to me about it.

题型:填空题

某设计图中,管道为“DN50”。其表达()是正确的。

A、管道外径为50

B、管道内径为50

C、管道平均直径为50

题型:填空题

调节血量的是()

A.肾

B.肝

C.脾

D.肺

E.心

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