单项选择题

幼儿期的主导活动是( ) 。

你可能感兴趣的试题

The small Haima was born from the "nursery bag",which is actually the abdominal pouch of the mother Haima,and father Haima doesn't have it.

答案：错误

了解某工业企业的产品质量，调查人员深入现场进行观察、检验，这种搜集资料的方法是直接观察法。
正确
错误

答案：正确