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【单选题】
产后出血指A.
胎儿娩出4h内，阴道流血量＞500ml 者
B.
胎儿娩出8h内，阴道流血量＞500ml 者
C.
胎儿娩出12h内，阴道流血量＞1000ml 者
D.
剖宫产时， 阴道流血量＞800ml 者
E.
胎儿娩出后24h内，阴道流血量＞500ml， 剖宫产时超过1000ml 者
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举一反三
【单选题】He is generally considered _____ the first computer.
A.
to invent
B.
to have invented
C.
having invented
D.
inventing
【判断题】Zheng He was considered the first navigator to have traveled around the world in history.
A.
正确
B.
错误
【单选题】下列选项中，不属于水中排放构筑物出水口的质量验收主控项目的是（）。
A.
所用预制构件、配件、抛石料
B.
混凝土结构外光内实，外观质量无严重缺陷
C.
出水口的位置、相邻间距及顶面高程
D.
出水口顶部的出水装置安装牢固、位置正确、出水通畅
【判断题】Zheng He was considered the first navigator to have traveled around the world in history.
A.
正确
B.
错误
【单选题】First he considered the job of letters as a way of a living, but as time went by, he developed a great passion for it.
A.
characters
B.
epistle
C.
writing
D.
mails
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