下列所示的实验装置中,能达到实验目的的是
答案:C
正确是C;
A、应长进短出;B、铁应接电源的负极;D、应用蒸馏烧瓶,且温度计的水银球应置于蒸馏烧瓶的支管口处。
After _______ for the job, I was required by the interviewers ____________ a language test.
A.being interviewed; to take
B.interviewed; being taken
C.interviewing; to be taking
D.having interviewed; taking
17岁少女,尚未初潮,周期性下腹痛伴肛门坠胀、尿频半年,逐渐加重近日偶在下腹正中触及肿块伴轻度压痛,最可能的诊断是()。
A.卵巢囊肿蒂扭转
B.处女膜闭锁
C.妊娠
D.子宫肌瘤
E.充盈膀胱