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【判断题】
使液压泵的输出流量为零,此称为流量卸荷。A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】什么是变质岩?其主要特征有哪些?建筑中常用的变质岩有哪些?
【单选题】_____ to do the work, I should do it some other day.
A.
If were I
B.
I were
C.
Were I
D.
Was I
【单选题】I'm not tired. If I were tired, I ______ a rest. [ ]
A.
will
B.
would have
C.
would
D.
were going to
【单选题】______ to do the work, I should do it in a different way. A. If I was B. I were C. Was I D. Were I
A.
If I was
B.
I were
C.
Was I
D.
Were I
【单选题】If I _____ free, I _____ go swimming. [ ]
A.
was; will
B.
was; would
C.
were; would
D.
were; will
【单选题】一梁拟用图示两种方法搁置,则两种情况下的最大正应力之比 ( σ max ) a /( σ max ) b = 。
A.
1/4
B.
1/16
C.
1/64
D.
16
【单选题】— Where ____________ you last Sunday? — I ____________ in New York. [ ]
A.
was, was
B.
were, were
C.
were, was
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