Are you good _____ kids? We need a weekend teacher. [ ]
A. with
B. at
C. for
D. in
答案:A
小儿腹股沟斜疝的临床表现()
A.透光试验阳性
B.上极边界不清
C.挤压肿块可被还纳入腹腔
D.肿块为实性,有沉重感
E.患侧阴囊不能摸到睾丸
测定中药灰分的温度应控制在()
A.100~105℃
B.250~350℃
C.300~400℃
D.400~500℃
E.500~600℃