一般前囟最迟闭合的月龄为()
A.12个月
B.14个月
C.16个月
D.18个月
E.20个月
参考答案:D
广义的学前儿童语言教育把()的儿童的所有语言获得和学习现象、规律以及训练与教育作为主要研究的对象。
A.0-3
B.40243
C.0-6
D.0-18
A chock().
A.is a deck fitting used to shackle gear to the deck
B.permits easy jettisoning of deck cargo in an emergency
C.prevents stress concentration in the bulwark
D.provides openings through the bulwark for mooring lines