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【单选题】
女，35岁，月经3天／28天。末次月经在5月1日，于5月16日行输卵管结扎术。6月5日月经尚未来潮，妊娠试验阴性。查体：子宫稍软，无明显增大。6月28日月经仍未来潮，复查子宫增大如妊娠2个月大小，诊断早孕。问：此例结扎失败的原因为（）A.
手术操作不细致，误韧带
B.
输卵管结扎后复通
C.
手术选择时间不当
D.
早孕检查有误
E.
以上均不是
手机使用
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反馈参考答案：
举一反三
【单选题】You type debug ip rip on your router console and see that 172.16.10.0 is being advertised with a metric of 16. What does this mean?
A.
The route is 16 hops away.
B.
The route has a delay of 16 microseconds.
C.
The route is inaccessible.
D.
The route is queued at 16 messages a second.
【简答题】王律师有权拒绝辩护吗
【单选题】You type debug ip rip on your router console and see that 172.16.10.0 is being advertised to you with a metric of 16. What does this mean?
A.
The route is 16 hops away.
B.
The route has a delay of 16 microseconds.
C.
The route is inaccessible.
D.
The route is queued at 16 messages a second.
【简答题】周律师有权拒绝辩护吗?
【单选题】_______ your rip is shot or long, we can work out a schedule for yo u .
A.
Whether
B.
What
C.
How
D.
Which
【单选题】According to the passage, which statement about "rip current" is not correct?
A.
It was notorious in Mediterranean Sea.
B.
It was forcibly dragging the author out to the sea.
C.
Swim sideways to the pull of the current and slowly make your way back toward shore.
D.
Swim against the rip current if you want to be saved.
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