经皮肤吸收的急性有机磷杀虫药中毒,中毒症状出现的时间是()。
A.1~4分钟
B.10~120分钟
C.14~24分钟
D.24~48小时
E.2~6小时
参考答案:E
I'm 12 years old. My sister is younger than me. She is ____________ years old.[ ]
A. 11
B. 12
C. 13
Welcome ______________ my home. [ ]
A. to
B. too
C. two