引起婴儿急性腹泻的最常见病因是()
A.病毒感染
B.致腹泻大肠杆菌感染
C.食物过敏
D.志贺痢疾杆菌感染
E.乳糖酶缺乏
参考答案:A
You didn't hear us come back last night. That's good. We tried ______ noisy.
A.to not be
B.not to be
C.being not
D.not being
阳明头痛的"引经药"应首选()
A.葛根、白芷、知母
B.羌活、川芎、蔓荆子
C.柴胡、黄芩、川芎
D.藁本、吴茱萸、钩藤
E.细辛、白芷、羌活