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【单选题】
关于标本采集的叙述不正确的是A.
尿糖定性，留12小时尿标本
B.
尿妊娠实验，留清晨第一次尿
C.
痰培养标本，采集前先激口
D.
大便查阿米巴原虫，便盆应先加温
E.
咽拭子培养，在扁桃体及咽部取分泌物
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反馈参考答案：
举一反三
【单选题】______ is the longest river in the United States.
A.
The Waikato River
B.
The Mackenzie River
C.
The Saint Lawrence River
D.
The Mississippi River
【单选题】Which river is the longest river in the U. K. that rises in the mountains of Wales?
A.
The Thames.
B.
The Severn.
C.
The Clyde.
D.
The Mersey.
【单选题】He won the men's ______ freestyle ______ a time of 50 seconds. [ ]
A.
100-metre; in
B.
100-metres; with
C.
100-metres; in
D.
100-metre; with
【单选题】Which river is the longest river in the V. K. that rises in the mountains of Wales?
A.
The Thames River.
B.
The Severn River.
C.
The Clyde River.
D.
The Mersey River.
【简答题】The freestyle. in the medley means
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