教学方法体系中运用最广的方法是()
A.谈话法
B.讨论法
C.讲授法
D.读书指导法
参考答案:C
The doctor told me that I would recover from my illness if I ______ a healthy diet.[ ]
A. got through
B. fit in
C. stuck to
D. kept up
留24h尿测定17-OH、17-KS应加的防腐剂是
A.二甲苯B.浓盐酸C.浓乙醇D.三氯甲烷E.甲醛