孕妇需用解热镇痛药时可选用
A.对乙酰氨基酚B.阿司匹林C.吲哚美辛D.可的松E.哌替啶
参考答案:A
—— Don’t play with fire.
——-_________
A.It’s right.
B.Sorry, I won’t do it again.
C.It doesn’t matter.
D.I know
A.苯→环已烷
B.乙酸→乙酸乙酯
C.乙烯→乙醇
D.乙醇→乙醛