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【单选题】
NREM期和REM期相同的生理表现是A.
心率缓慢
B.
血压下降
C.
全身肌肉松弛
D.
呼吸均匀
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举一反三
【单选题】I ______ the poor rabbit,but I didn't have the right drugs with me at that moment. [ ]
A.
saved
B.
had saved
C.
could save
D.
could have saved
【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】预应力混凝土工程施工中，多根钢丝同时张拉时，构件截面断丝和滑脱钢丝的数量不得大于钢丝总数的（），且一束钢丝同时只允许一根。
A.
3％
B.
5％
C.
8％
D.
10％
【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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