Research has proved that a child's school performance is closely
选项:
A:related to how early he starts preschool.
B:related to whether his parents are professors or not.
C:related to the number of words spoken to him up to age 3 years old.
D:related to whether he has heard 30 million words at three or not.
发布时间:2024-04-04 17:44:52