三阶梯癌痛止痛法推荐的癌症中度疼痛代表药为
A.阿司匹林B.吗啡C.对乙酰氨基酚D.可待因E.曲马朵
参考答案:D
Glass milk bottles can be used again and again, but they need __________ thoroughly, ____they?
A.to clean, needn’t
B.cleaning,don’t
C.clean, aren’t
D.cleaned, can’t
下列二维数组初始化语句中,不正确的是( )。
A) int b[][2]=1,2,3,4,5,6,7; B) int b[3][5]=0,0,0;C) int b[][4]=1,2,3,4,5,6; D) int b[3][2]=(1,2),(3,4) ,(5,6);