王长喜-六级考试标准阅读(16)

    C.Most children learn their language in definite stages.

    D.All the above

    5.If a child starts to speak later than others， he will ____in future.

    A.have a high IQ                              B.be less intelligent

    C.be insensitive to verbal signals         D.not necessarily be backward

    第十九篇答案：BCCDD