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【单选题】
下列不是导致空调冷凝器压力过高的原因是（）。A.
风量或水量减少
B.
冷凝器结垢或结灰
C.
制冷系统有空气存在
D.
制冷系统制冷剂少
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反馈参考答案：
举一反三
【简答题】由于连线不良造成的拒爆可重新连线爆破。()
【简答题】连线。 0.9 0.0001 0.13
【单选题】已知N2O4的分解反应为: N2O4(g)→2NO2(g)，在25℃时ΔrGmθ= 4.78 kJ·mol-1,在此温度时，在p(N2O4) = 3 pθ,p(NO2) = 2 pθ的条件下，反应向 方向进行。
A.
左
B.
右
C.
达到平衡
D.
无法确定
【单选题】甲公司预收货款业务不多,预计不单独设置“预收账款”账户,在其发生预收货款业务时,可以通过( )账户核算。
A.
应收账款
B.
其他应收款
C.
应付账款
D.
预付账款
【单选题】Cathy wonders if her teacher _______ to her house. If she _______, what will she say to her parents?
A.
comes, comes
B.
will come, will come
C.
comes, will come
D.
will come, comes
【单选题】Her parents took her to the doctor because ______ .
A.
their ladder was broken
B.
the hospital was near their home
C.
something was wrong with Betty's foot
【单选题】_____ of the animals is getting _____ because their living areas are becoming farmlands. [ ]
A.
A number, large and large
B.
A number, larger and larger
C.
The number, smaller and smaller
D.
The number, small and small
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