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【单选题】
I级钢筋端部设180°弯钩,弯钩增长值为()。A.
6.25d
B.
3d
C.
4 d
D.
5d
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【单选题】普通混凝土立方体强度测试，采用 标准尺寸 的试件
A.
100㎜×100㎜×100㎜
B.
150㎜×150㎜×150㎜
C.
200㎜×200㎜×200㎜
D.
300㎜×300㎜×300㎜
【简答题】A．Because some book in the library are very expensive. B．Because some books in the library are rare. C．Because sometimes students need certain materials urgently. D．Because some students won't return ...
【单选题】While there are some differences in the educational systems in many countries in the world, education itself is ______.
A.
beneficial
B.
accessible
C.
compulsory
D.
universal
【单选题】The measures taken by government in some states in the second paragraph are for the purpose of
A.
protecting people's convenience
B.
protecting the cars and motors
C.
protecting cyclists' safety
D.
protecting the flowing of the traffic
【单选题】While there are some differences in the educational systems in many countries in the world，education is ________. [ ]
A.
regular
B.
universal
C.
logical
D.
normal
【单选题】While there are some differences in the educational systems in many countries in the world, education is________. [ ]
A.
regular
B.
universal
C.
ordinary
D.
normal
【单选题】While there are some differences in the education systems in many countries in the world, education is __________.
A.
humorous
B.
universal
C.
faithful
D.
foolish
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