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【多选题】
关于钢筋在混凝土路面的使用特点,下列说法正确的有()
A.
纵横向钢筋宜采用相同直径
B.
网筋的最小间距应为集料最大粒径的3倍
C.
钢筋的搭接长度,根据经验,直径的24倍以上
D.
钢筋的主要作用是使裂缝密闭,所以它在板内的竖向位置并不太重要
E.
外侧钢筋中心到接缝或自由边的距离为0.2m
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【判断题】在问卷调查中,问卷的质量水准间接影响着数据的质量水准。
A.
正确
B.
错误
【单选题】In ______ recent online survey over 60 percent of the 4, 000 participants did not agree with ______ policy to charge so much import tax.
A.
the; a
B.
the; the
C.
a; the
D.
a; a
【判断题】刀盘驱动系统是盾构机的主要系统之一,驱动形式主要有液压驱动,电机驱动等。
A.
正确
B.
错误
【判断题】Britain probably has the largest density of road traffic in the world — over 60 cars for every mile of road.()
A.
正确
B.
错误
【单选题】回答(60)题 查看材料
A.
with
B.
at
C.
without
D.
over
【简答题】“理万金分文不沾”、“常在河边走,就是不湿鞋”体现的会计职业道德是( )。
【单选题】That suit ______ over 60 dollars.
A.
has costed
B.
costed
C.
is costed
D.
cost
【简答题】Britain has the highest _____ of road traffic in the world—over 60 cars for every mile of road. [A] density [B] intensity [C] popularity [D] prosperity
【简答题】Britain ahs the highest ________ of road traffic in the world—over 60 cars for every mile of road. A) popularity B) density C) intensity D) prosperity
【简答题】Though he is over 60, my grandfather always looks fresh and______(energy).
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