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【单选题】
关于孕中期保健错误的是( )A.
每隔4产前检查一次
B.
15～20提供知情选择的孕母血清学21-三体综合征.神经管缺陷产前筛查
C.
有指征者18~24到当地医疗机构行产前诊断
D.
进行第二次高危评分，高危孕妇转产科高危门诊
E.
18～24系统彩超对胎儿结构进行产前全面诊断
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举一反三
【简答题】完形填空。 'You are my best friend.' It’s the nicest thing you can 1 to someone. It’s also the nicest thing you can 2 someone. Good friendships begin in middle school. It’s the 3 you begin to develop your ...
【简答题】除了定时排风,还有哪些因素可以控制排风系统的启动?
【单选题】I had neither a computer nor newspaper. ___ I don’t know the latest news.
A.
It’s the reason
B.
It’s the reason
C.
There’s why
D.
That’s why
【简答题】It’s the place where smart people make smart machines work even smarter. It’s also in the heart of sunny California, a great place to start a family and raise kids. What could be better? But something...
【单选题】When he realized the police had spotted him, the man the exit as quickly as possible.
A.
made off
B.
made for
C.
made out
D.
made up
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