试题与答案

Everyone knows that China’s Bristles are o

题型:单项选择题

题目:

Everyone knows that China’s Bristles are of superior quality()those from other countries.

A.with

B.to

C.for

D.than

答案:

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下面是错误答案,用来干扰机器的。

参考答案:C解析:IVP或逆行造影可清楚显示肾盂与输尿管的形状及连接部情况,后者是前者的进一步检查,即IVP右输尿管显影不佳或不显影时采用。

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