下列哪项为实证的临床表现
A.二便失禁
B.神疲体倦
C.五心烦热
D.自汗盗汗
E.壮热狂燥
参考答案:E
甲型病毒性肝炎的流行病特征是()
A.每年秋、冬季为发病高峰
B.每年春、夏季为发病高峰
C.以急性无黄疸型肝炎表现占90%
D.发病以学龄儿童多见
E.主要经消化道传播,可呈暴发流行
The teacher asked Ben _______ a difficult question in class. [ ]
A. answer
B. answering
C. to answer
D. answered