任务型阅读。

     Our school is on Guangming Street. It's next to the People's Library. There is a park across from

our school. The pay phone is between our school and a post office. Our school is very beautiful. There

are many trees and flowers in it. If you want to come to our school from the airport, take a taxi and go

down Center Avenue. You can see a big restaurant on your right. There is a bridge near the restaurant.

Go across it and turn left. Then go down Bridge Street. Turn left at New Park and go down Guangming

Street. Our school is across from a bank.

根据短文内容完成下面的句子，每空一词。

1. Our school is ________ ___________ the People's Library.

2. The pay phone is between __________ ___________ and a _________ _________.

3. Our school is very _________ and has many __________ and flowers.

4. A ___________ is near a big __________ on Center Avenue.

5. Our school is ___________ ___________ a bank.

对一难溶电解质AnBm（S）nAm++mBn-要使沉淀从溶液中析出，则必须（）。

A、[Am+]n[Bn-]m=KSP

B、[Am+]n[Bn-]m>KSP

C、[Am+]n[Bn]m<KSP

D、[Am+1]>[Bn-1]