恶性葡萄胎及绒毛膜癌最常见的转移部位是(  )。

恶性葡萄胎及绒毛膜癌最常见的转移部位是(  )。A.肺 B.阴道 C.脑 D.肝 E.盆腔

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房颤发生后易引起哪种合并症( )

房颤发生后易引起哪种合并症( )A.严重心力衰竭 B.心源性休克 C.体循环动脉栓塞 D.神志模糊、抽搐 E.肺内感染

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Investment in staff has been motivated.

Investment in staff has been motivated.A.to attract the public's attentio B.to r

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