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【单选题】
双胎妊娠时第一胎儿娩出后正确的措施是:A.
采取措施尽快娩出第二胎儿
B.
应立即断脐，防止第二胎儿失血
C.
不固定胎儿位置
D.
不定时听取胎心率
E.
不需行阴道检查，等待自然分娩。
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【简答题】Why does the author say that the tower of the bridge looks like a church?
【单选题】Londons river Thames has twenty-seven bridges. Tower Bridge, the first bridge over the Thames as you travel towards London from the sea, is the【C1】______of them all. The thing that is surprising about...
A.
widest
B.
highest
C.
newest
D.
most famous
【单选题】Why was the Tower Bridge constructed?
A.
To celebrate Edward VII's crown
B.
To hold a spectacular ceremony
C.
To make ships pass more conveniently
D.
To compare with London Bridge
【简答题】在启发式搜索当中，通常用（）来表示启发性信息。
【简答题】阅读理解 London's River Thames has twenty-seven bridges. But Tower Bridge, the first bridge over the Thames as you travel to London from the sea, is the most famous of them all. What makes Tower Bridge ...
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