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问题 单项选择题

患者，女性，因颜面浮肿3天而收治入院，查内生肌酐清除率为65m1/min，可判断其肾功能为

A．肾功能衰竭

B．重度损害

C．轻度损害

D．正常

E．中度损害

答案

参考答案：C

选择题

The ancient village, ______ they visited during a recent trip, is the only tourist attraction ______ is well protected without any damage.

A．which, which

B．which, that

C．where, that

D．that, which
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单项选择题

JT2型通用式机车信号在接收电气化区段移频信息时，550Hz接收灵敏度为（）mA。

A.100±10

B.85±9

C.70±7

D.55±10
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