小儿体格发育的两个高峰期是（ ）。
A．婴儿期、学龄期
B．学龄前期、青春期
C．幼儿期、学龄期
D．婴儿期、青春期
E．新生儿期、学龄期
参考答案：D
化妆品：镜子
A．床头灯：床
B．U盘：电脑
C．床单：枕头
D．电视：桌子
— I left my handbag on the train, but luckily someone gave it to a railway official.
— How unbelievable to get it back! I mean, someone________ it. [ ]
A. will have stolen
B. might have stolen
C. should have stolen
D. must have stolen
