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【单选题】
已知全集U={1,2,3,4,5},集合A={1,2,3},B={2,4},则(? U A)∪B为(  )
A.
{1,2,4}
B.
{2,4,5}
C.
{0,2,4}
D.
{0,2,3,4}
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参考答案:
举一反三
【单选题】定轴轮系的传动比大小与惰轮的齿数( )
A.
有关
B.
无关
C.
正比
D.
反比
【单选题】定轴轮系的传动比大小与惰轮的齿数
A.
有关
B.
无关
C.
成正比
D.
成反比
【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
【判断题】青春期的性心理发展一般都会经历三个阶段
A.
正确
B.
错误
【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
【判断题】机械连接接头的混凝土保护层厚度应满足受力钢筋最小保护层的要求,连接件之间的横向净间距不宜小于25mm。( )
A.
正确
B.
错误
【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
【判断题】根据我国2016年7月13日发布的《中长期铁路网规划》,到2020年,路网规模达到15万公里。
A.
正确
B.
错误
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