题目内容：

    From your first library visit for story time, to your visits to study as an undergraduate (大学生), you spend a lot of time in libraries. But do you know______to behave in the library? Why do people always whisper   (耳语)? Here are some rules for you to learn and respect.

Your behavior in the library must be______from your behavior at home. When you go to the library, you should______ your phone or change it to silent mode ( 静音模式). Sounds from your phone may disturb other people. ______a call must be made, you should go to a special area or outdoors.

Libraries are places for people to______ . Therefore, you need to speak in a ______ voice. If you want to discuss something with your study group, find a “study room”. Most college libraries have such study rooms.

Don’t eat or drink when you are in the library. On the one hand, the ______  you make may annoy others.  On the other hand , the books can get ______from food crumbs (碎屑), which would ruin(毁坏) it for those who borrow the books______ you.

Remember this golden rule: always treat others the______you want to be treated. Then you will enjoy yourself in the library.

1.A.what B.how C.which

2.A.similar B.common C.different

3.A.turn off B.turn on C.turn out

4.A.Because B.If C.Although

5.A.play B.study C.rest

6.A.small B.quiet C.low

7.A.food B.faces C.noises

8.A.dirty B.tidy C.mad

9.A.before B.after C.next

10.A.way B.place C.level