– How do you study _______ a test?
-- I study working with a group.
A:for; by
B:by; in
C:for; from
D:of; by
100×101×102×103×…×199×200这101个数相乘,积的末尾连续有( )个0?
讠:____ ____ 彳:____ ____
亻:____ ____ 氵:____ ____
艹:____ ____ 禾:____ ____
结合材料,说明应如何解决离校未就业高校毕业生的就业问题。