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【单选题】
经常失眠，他到药店想要买一些安眠药，可是售货员不买给他，原因是A.
安眠药是毒药
B.
安眠药是处方药
C.
安眠药是非处方药
D.
安眠药停止生产了
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反馈参考答案：
举一反三
【单选题】正常人动脉血液的pH维持在( )
A.
7.30~-7.40
B.
7.35~-7.45
C.
7.40~-7.50
D.
7.30~-7.50
E.
7.45~-7.55
【单选题】According to Pakistan, what kind of support does it give to the rebels?
A.
Financial.
B.
Technology.
C.
Weapon.
D.
Moral.
【单选题】He said ______ that they had been obliged to give up the scheme for lack of support.
A.
miserably
B.
passionately
C.
graciously
D.
regrettably
【单选题】It is proposed that another meeting _______ to discuss how to give more support to the underdeveloped area.
A.
be held
B.
have been held
C.
was held
D.
will be held
【简答题】ZPW-2000A系统在29m电气绝缘节处,串联谐振为 阻抗,并联谐振为 阻抗。
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