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【单选题】
关于上尿路结石的临床表现，下列哪错误的A.
结石可引起钝痛和绞痛
B.
结石越大疼痛越重
C.
可引起肉眼或镜下血尿
D.
伴感染时可有尿频、尿痛等
E.
双侧上尿路结石或孤肾上尿路结石完全性梗阻时，可导致无原
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皮皮学刷刷变学霸
举一反三
【单选题】Why does the professor mention the wood thrush?
A.
To contrast its displacement activities with those of other animal species
B.
To explain that some animals display displacement activities other than grooming
C.
To point out how displacement activities are influenced by the environment
D.
To give an example of an animal that does not display displacement activities
【单选题】听力原文：W: Does the Motor Voter Law cover all the states? M: No. W: Which ones? Why not? M: Six states are not covered by the provisions of the National Voter Registration Act. They are: North Dakota (be...
A.
North Dakota and Washington D.C
B.
South Dakota and Washington D.C
C.
Wisconsin and Wyoming.
D.
Wyoming and Washington.
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