灭菌蒸馏水杀灭癌细胞的最佳温度是:()。
A.41~45℃
B.43~45℃
C.37~43℃
D.37~41℃
参考答案:B
—Where're the children, Mr Black?
—Oh, they _______ their PE lesson on the playground. [ ]
A. have
B. had
C. are having
D. have had
治泻有九法是哪一部书提出的
A.《医宗必读》B.《景岳全书》C.《脾胃论》D.《医学心悟》