患者33岁，输卵管妊娠破裂致严重腹腔内出血，以下哪项不宜使用自

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问题单项选择题

患者33岁，输卵管妊娠破裂致严重腹腔内出血，以下哪项不宜使用自体输血：

A．停经52天

B．胎膜完整

C．出血＜24小时

D．尿妊娠试验阳性

E．镜下红细胞破坏率为35%

答案

参考答案：E

选择题

Playing on a frozen sports field sounds like a lot of fun. Isn’t it risky, ______?

A．though

B．also

C．either

D．too

单项选择题

With his blows knitted, the doctor contemplated the difficult operation he had to perform.

A．succeeded in

B．decided against

C．went on with

D．thought deeply about