单项选择题

患者男，肝硬化晚期，伴有上消化道出血，其粪便为

A.鲜红色便
B.陶土色便
C.果酱样便
D.柏油便
E.暗红色便
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听力原文：W：Hi, Larry. I feel global warming is really something upsetting after Professor Steve's lecturE.M：Oh, Alice, I just don't buy his theory that global warming is caused by humans. There is a lot we don't know.Q：What can we learn from the conversation?(16)A.ProF.Steve's lecture on global warming is well-groundeD.B.Larry does not accept ProF.Steve's point as completely truE.C.Alice believes global warming is caused by human being.D.Both Larry and Alice are optimistic about global warming.
A.M：Oh,
B.
Q：What
C.ProF.
D.
B.Larry
E.
C.Alice
F.
D.Both
单项选择题
碱中毒时出现手足抽搐的主要原因是
A.血清K减少
B.血清Cl减少
C.血清Ca减少
D.血清Na减少
E.血清Mg减少
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