我国高等教育传统的投资渠道是以政府投入为主，民间投资办学的多渠道投资方式。

国家质检总局可根据需要对《出入境检验检疫机构实施检验检疫的进出境商品目录》定期或不定期进行调整公布实施。()

已知等式y=kx+b ，当x=-1 时，y=-3 ；当x=3时，y=-2 ，则k，b的值分别为[ ]

A.2.5，-0.5    

B.0.25，-2.75    

C.2.5，0.5    

D.-0.25，-2.75

根据句意用括号内所给词的适当形式填空，使句子意思通顺、完整。

1. Bob is  _____ (funny) actor of all.

2. I want _____ (be) a basketball player in the future.

3. We should brush our _____(tooth) twice a day.

4. Sanya is in Hainan Province in  _____ (south) China.

5. Some readers _____ (play) sports tomorrow.

6. Her aunt is a famous _____ (violin) in our country.

7. _____ (luck), his classmates often help him.

8. My classmates and I _____ (visit) Beihai Zoo last week.

9. Take this medicine, and you will feel  _____ (well) tomorrow than today.

10. Mozart started _____ (write) music when he was four years old.

高速缓冲存储器是为了解决______。

A．内存与辅助存储器之间速度不匹配问题
B．CPU与辅助存储器之间速度不匹配问题
C．CPU与内存储器之间速度不匹配问题
D．主机与外设之间速度不匹配问题

什么是治疗性杀菌剂？