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【判断题】
直接承受动力荷载结构中的受力钢筋不宜采用机械连接。A.
正确
B.
错误
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举一反三
【单选题】Hasn’t the $50 you lent me________? [ ]
A.
been paid back
B.
paid for
C.
paid off
D.
been paid for
【简答题】悬浮预热器的功能是什么?
【判断题】Brand loyalty is the extent to which a consumer constantly buys the same brand within a product category.
A.
正确
B.
错误
【单选题】90 % of the debts _______ so far.
A.
is paid back
B.
have been paid off
C.
has been paid off
D.
are paid off
【单选题】Hasn't the $10 you lent me________? [ ]
A.
been paid back
B.
paid for
C.
paid off
D.
been paid for
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