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【多选题】
混凝土保护层的作用有( )。A.
保证钢筋与混凝土粘结可靠
B.
防止钢筋锈蚀
C.
保证混凝土结构耐久性
D.
防止混凝土碳化
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举一反三
【简答题】ppt练习
【单选题】Rubbish _______ light after this kind of new machine is invented.
A.
will be made use of giving
B.
will make use of to give
C.
will be used of to give
D.
will be made use of to give
【单选题】The new______machine is a great help in the production of this factory.
A.
adequate
B.
sufficient
C.
efficient
D.
effective
【单选题】This machine is new. ______, it is in excellent condition.
A.
Furthermore
B.
However
C.
Otherwise
D.
But
【单选题】听力原文：I don't like this new photocopier machine. (A) I think it needs ink. (B) I know, it is very difficult to use. (C) It should arrive tomorrow. (29)
A.
B.
C.
【单选题】This new machine is technically far_____to the previous type. [ ]
A.
superior
B.
junior
C.
senior
D.
equal
【单选题】Rubbish _____ to give light after this kind of new machine is invented. [ ]
A.
will be made use
B.
will make use of
C.
will be used of
D.
will be made use of
【单选题】Rubbish will be made use of _______ light after this kind of new machine is invented. [ ]
A.
to give
B.
giving
C.
gave
D.
to be given
【单选题】Rubbish _______ to produce electricity after this kind of new machine is invited. [ ]
A.
will be used
B.
will make use of
C.
will be used of
D.
will be made use of
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