幽门梗阻诊断依据不包括（）。
A.清晨空腹振水音
B.上腹部胀痛
C.胃型和蠕动波
D.呕吐大量宿食
E.代谢性酸中毒
参考答案：E
系统论
John Milton's ______ is the only generally acknowledged epic in English literature since Beowulf.
A. Paradise Lost B. Paradise RegainedC. Samson Agonistes D. Areopagitica
