简述佐剂的作用及其作用机制？

阅读下面的短文，掌握其大意，然后从各题所给的A、B、C、D四个选项中，选择最佳选项。
Hello! My          is Wang Li. I’m an English teacher. I’m         England.   I’m 25 years        . I like red. It is my lucky(幸运)colour. And my lucky number is 8. What’s my favourite sport? Oh, I like          . I play basketball with my friends        school.
It’s          in autumn in Beijing. I love autumn. I had a mooncake(月饼) on Mid-autumn Day(中秋节)last week.(上周) I like it very much.
There          40 students in my class—22 boys and          girls. I love my students, and they love me          .        to my class!

小题1:	A．name B．number C．birthday D．nice

小题2:	A．in B．to C．from D．on

小题3:	A．new B．old C．age(年龄) D．/

小题4:	A．basketball B．table tennis C．swimming D．football

小题5:	A．from B．on C．to D．after

小题6:	A．warm B．cool C．hot D．cold

小题7:	A．am B．is C．are D．be

小题8:	A．eighteen B．nineteen C．sixteen D．seventeen

小题9:	A．too B．to C．but D．and

小题10:

A．Go B．Come C．Play D．Welcome