进入初中,我们需要调整自己的学习方法,遇到问题要马上请老师或父母帮助解决。[ ]
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维生素D缺乏性佝偻病颅骨软化多见于()
A.1~3个月
B.3~6个月
C.7~8个月
D.9~12个月
E.12个月以上
The aged are close companions, and many of have known each other for decades.
A.them
B.that
C.whom
D.what