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【单选题】
在复杂的直流电路中，下列说法正确的是( )。A.
电路中有几个节点，就可列几个独立的节点电流方程
B.
电流总是从电动势的正极流出
C.
流进某一封闭面的电流等于流出的电流
D.
在回路的电压方程中，电阻上的电压总是取正
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举一反三
【单选题】Sorry, Sophia, I have got a phone call now and I will come back _____.
A.
for the moment
B.
in a moment
C.
for a moment
D.
at the moment
【简答题】翻译:显著增长的三个原因 3 reasons for ______________
【单选题】—Where the dictionary? I can’t see it. —I it right here a moment ago. But it’s gone.
A.
did you put, have put
B.
have you put, put
C.
had you put, have put
D.
were you putting, had put
【单选题】I bought a new car last month, but I ______ my old car yet, so at the moment I have two cars.
A.
had not sold
B.
didn't sell
C.
don't sell
D.
have not sold
【单选题】The factory was founded in 1995. I heard it said. A. it said that the factory was founded in 1995. B. I heard it said that the factory was founded in 1995. 哪一个句子是正确的?A or B
A.
A
B.
B
【简答题】以下茶类中英文对照正确的是： A绿茶——greentea B黑茶——blacktea C红茶——redtea
【单选题】下列说法正确的是( )
A.
在后张法施工中，当同一截面中有多根一端张拉的预应力筋时，张拉端可设在其中一端
B.
梁的放张顺序是同时放张预压应力较大区域后再同时放张预压应力较小区域
C.
多根钢丝同时张拉时，断丝和滑脱钢丝的数量不得大于钢丝总数的 3% ，一束钢丝中只允许断丝一根
D.
凡是采用后张法施工时，须预留孔道
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