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【简答题】
渗流分析的内容包括( )、( )和渗流出逸处的渗流要素。
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皮皮学刷刷变学霸
举一反三
【单选题】It usually (takes) much (less) time (to fly) from one country to another than (traveling) by train.
A.
takes
B.
less
C.
to fly
D.
traveling
【单选题】One of the disadvantages of traveling as an air courier is that he ______.
A.
cannot decide when and where to travel
B.
cannot take any luggage with him
C.
has to wear two pairs of jeans
D.
saves little money from the travel
【简答题】电动势的方向规定从电源的负极指向正极即____升高的方向。
【单选题】It usually takes much (less) time to fly from one country to (another) than (traveling) (by) train.
A.
less
B.
another
C.
traveling
D.
by
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