皮皮学，免费搜题
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【单选题】
男性,42岁。剧烈呕吐3天,少尿1天,尿比重1.010,内生肌酐清除率试验20ml/min。既往有慢性肾炎病史,应考虑为A.
高血压病
B.
慢性肾炎
C.
肾结石
D.
尿毒症
E.
隐匿性肾炎
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【单选题】听力原文： Do you have a tough math test coming up? Then listen to some classical piano music just before the test. You might end up with a higher score (30) . Researchers at a university in California con...
A.
How to improve your reasoning ability.
B.
Why classical music is popular with math students.
C.
The difference between classical music and rock music.
D.
The effects of music on the results of math tests.