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【单选题】
普通受拉钢筋锚固长度的计算公式lab=a.fy/ft.d中lab的含义是( )。A.
锚固钢筋的外形系数
B.
锚固长度
C.
基本锚固长度
D.
锚固长度修正系数
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举一反三
【单选题】 当讨论采用什么方式实现快速运动回路时,下面说法正确的是
A.
A同学说，可采用双泵供油的方法
B.
B同学说，必须用溢流阀实现
C.
C同学是，必须安装减压阀
D.
D同学说，必须用压力继电器
【单选题】有两瓶气体，一瓶是氦气，另一瓶是氢气(均视为刚性分子理想气体)，若它们的压强、体积和温度均相同，则氢气的内能是氦气的
A.
1/2倍
B.
1倍
C.
5/3倍
D.
2倍
【单选题】Ms Gareis suggests that students should be encouraged to (participate in) different activities.Here “participate in” means().
A.
take part in
B.
enjoy
C.
focus on
【单选题】Students should be encouraged to be _thinkers.
A.
independent
B.
independence
C.
advantage
D.
average
【简答题】Some people believe that students should be given one long vacation each year. Others believe students should have several short vacations throughout the year. Which view point do you agree with? Writ...
【简答题】Students should be encouraged to be()thinkers
【单选题】______ students should be motivated by a keen interest in theatre and should have some familiarity with plays in production.
A.
realistic
B.
responsible
C.
ethnic
D.
prospective
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