构成人体骨骼的骨共有[ ]
A.206块
B.600块
C.306块
D.260块
答案:A
It's generous _______ them to donate money to UNICEF.
They think it important ______ them to help poor children go to school.
[ ]
A. to; for
B. for; of
C. of; to
D. of; for
教师最基本的权利是______.
A.管理学生权 B.民主管理权C.教育教学权 D.科研学术活动权