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【单选题】
孕妇，28岁，G3P0妊娠32，以往有2次人工流产史。突然阴道流血约200ml。检查：血压14．63／7．98kPa(110／60mmHg)，腹软，无压痛。子宫底高度31cm，胎头先露，胎头浮，胎心率136次／min。 首先考虑的诊断是A.
前置胎盘
B.
胎盘早剥
C.
先兆子宫破裂
D.
宫颈息肉
E.
早产
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反馈参考答案：
举一反三
【单选题】下列有关渗漉法优点的叙述错误的是( )
A.
有良好的浓度差
B.
溶剂的用量较浸渍法少
C.
浸出效果较浸渍法好
D.
适应于新鲜药材浸出
E.
不必进行浸出液和药渣分离
【单选题】He began to __________ because every means _______ tried already.
A.
lose heart; has been
B.
lose heart; had been
C.
lose his heart; was
D.
lose his heart; had
【单选题】在Excel中,日期型数据“2016年4月23日”的正确输入形式是
A.
2016-4-23
B.
2016，4，23
C.
2016.4.23
D.
2016：4：23
【单选题】He put forward his suggestion at the meeting that every means_____ to save the crops before the storm came. [ ]
A.
was tried
B.
should try
C.
be tried
D.
tried
【单选题】下列有关渗漉法优点的叙述中，错误的是
A.
溶剂的用量较浸渍法少
B.
浸出效果较浸渍法好
C.
有良好的浓度差
D.
适应于新鲜药材的浸出
E.
不必进行浸出液和药渣的分离
【单选题】He put forward his suggestion at the meeting that every means ________ to save the crops before the storm came.
A.
be tried
B.
was tried
C.
should try
D.
tried
【单选题】If a U.S. citizen buys a television made in Korea by a Korean firm,
A.
U.S. net exports decrease and U.S. GDP decreases.
B.
U.S. net exports are unaffected and U.S. GDP decreases.
C.
U.S. net exports are unaffected and U.S. GDP is unaffected.
D.
U.S. net exports decrease and U.S. GDP is unaffected.
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