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【单选题】
在城市燃气的种类中，燃气按热值分类可分为高热值、中热值、低热值燃气。1Nm 3 燃气完全燃烧所放出的热量称为燃气的热值。其中中热值燃气约为（）MJ／Nm 3 。A.
12～13
B.
20
C.
25
D.
30
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【简答题】After hearing the news, he lost control of his ( ).
【单选题】机械连接接头连接件的混凝土保护层厚度宜满足纵向受力钢筋最小保护层厚度的要求, ( )之间的横向净间距不宜小于25mm。
A.
纵向受力钢筋
B.
连接件
C.
箍筋
D.
混凝土保护层
【单选题】It was ________ his car after drinking that resulted in the terrible accident doing much damage to his car. [ ] A. due to his driving B. his losing control of C. because he drove D. to lose his contr...
A.
B.
C.
D.
D
【单选题】It was ________ his car after drinking that resulted in the terrible accident doing much damage to his car. [ ]
A.
due to his driving
B.
his losing control of
C.
because he drove
D.
to lose his control of
【单选题】机械连接接头连接件的混凝土保护层厚度宜满足纵向受力钢筋最小保护层厚度的要求,连接件之间的( )不宜小于25mm。
A.
轴线距离
B.
最大距离
C.
纵向净间距
D.
横向净间距
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