把3.995精确到百分位是4。[ ]
错误
I prefer________TV to going shopping with my mother. [ ]
A. to watch
B. watch
C. watching
D. watched
国家提倡和鼓励一对夫妻只生育一个孩子,鼓励公民()
A.晚婚晚育;
B.优生优育;
C.优生晚育;
D.优育优教。