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【单选题】
某女,30岁,葡萄胎清宫术后5个月,阴道流血不净,时多时少,伴咳嗽咯血,血HCG水平明显高于正常水平,该病人首先考虑为何病A.
肺结核
B.
宫外孕
C.
侵蚀性葡萄胎
D.
再次葡萄胎
E.
绒毛膜癌
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反馈参考答案：
举一反三
【简答题】牵出线调车通常采用 () 和溜放调车。
【单选题】You must be responsible for all the losses ____ from your delay in opening the covering L/[C].
A.
arising
B.
rising
C.
arousing
D.
have arisen
【单选题】The switching losses are comprised of the on-state losses, () and the losses in the transition states
A.
the parasitic losses
B.
the dielectric losses
C.
the off-state losses
D.
the hysteresis losses
【单选题】______，I hereby note my protest against all losses and damages，etc．，reserving the right to extend same at time and place convenient．
A.
Fearing loss and／or damage
B.
To fear loss and／or damage
C.
For fear loss and／or damage
D.
Fear loss and／or damage
【简答题】简述 Internet 的主要特点。
【单选题】The fires have caused direct or indirect losses in all of the following areas EXCEPT______.
A.
heavy industry
B.
medical expenditure
C.
tourist industry
D.
agriculture
【单选题】The switching losses are comprised of the on-state losses, and the losses in the transition states.
A.
the parasitic losses
B.
the dielectric losses
C.
the hysteresis losses
D.
the off-state losses
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