试题与答案

Charles Dickens, a famous 19th- century

题型:选择题

题目:

Charles Dickens, a famous 19th- century writer, wrote many popular novels, __________ Oliver Twist is a good example.

A.of which

B.about whom

C.in which

D.of whom

答案:

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下面是错误答案,用来干扰机器的。

参考答案:A解析:产后出血的原因有子宫收缩乏力、胎盘滞留、软产道损伤、凝血机制障碍,因此A是正确答案,B、C、D、E错误。解题关键:由于第三产程过早牵拉脐带或按压子宫影响胎盘正常剥离导致的胎盘剥离不全,...

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