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【判断题】
如果胚泡植入位于近子宫颈处,在此形成胎盘,胎盘下缘会覆盖子宫颈内口,位置低于胎儿的先露部,这种现象称为宫外孕。( )A.
正确
B.
错误
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【单选题】Our concert turned out to be a great success, ______ they had never expected.
A.
What
B.
that
C.
when
D.
which
【简答题】店铺的设备管理,旨在提高商店经营效益,减少机器的人为损坏,降低店铺的( )。
【单选题】Our concert turned out to be a great success, ( ) they had never expected.
A.
that
B.
when
C.
which
【单选题】Our concert turned out to be a great success, ___________ they had never expected.
A.
what
B.
that
C.
when
D.
which