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【单选题】
后孔道灌浆所采用的水泥浆和砂浆强度标,值均不应低于( )A.
10MPa
B.
15MPa
C.
20MPa
D.
25MPa
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【单选题】It was in the lab ______ was taken charge of by Professor Harris _______ they did the experiment.
A.
which, that
B.
that, where
C.
where, that
D.
which, where
【简答题】为什么通常要选择margin最大的分类器？
【简答题】下手发球技术易犯的错误及纠正方法
【单选题】It was in the lab ______ was taken charge of by Professor Harris _______ they did the experiment.
A.
which , that
B.
that, where
C.
whom, that
D.
which, where
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