隋唐以来的历朝统治者都沿袭使用科举制度,其根本原因是科举制度 [ ]
A.有利于选拔人才
B.有利于巩固专制统治
C.以儒家思想为核心
D.得到了不断完善
答案:B
单句改错
1. I like playing football, but I don't have a friend to play.
A B C ( )
2. I am enjoying to sing English songs.
A B C D ( )
3. We find the speakers to talk too fast.
4. There's an English club in our school. Would you like to join in it?
5. These are new words in this lesson. Please write down them.
为了(),分度吸量管每次都应从最上面刻度为起点往下放出所需体积.