电阻的单位是欧姆用()字母表示。A、ΩB、UC、φD、Q 发布时间:2019-01-23 06:27 │ 来源:www.tikuol.com 题型:单项选择题 问题: 电阻的单位是欧姆用()字母表示。A、ΩB、UC、φD、Q
题型:单项选择题 — He's seldom late for school, _____? — No. He is used to going to school early. [ ]A. isn't he B. has he C. hasn't he D. is he 查看答案
题型:单项选择题 症见往来寒热,胸胁苦满,呕不止,郁郁微烦,心下痞硬,或心下满痛,大便不解或协热下利,舌苔黄,脉弦数有力。宜选下列何方治疗()A.小承气汤 B.小柴胡汤 C.调胃承气汤 D.大柴胡汤 E.大陷胸汤 查看答案