4] __________________ The books in the reference library are reference books and are for use inside the library only. They include dictionaries, directories, and encyclopedias. The reference section usually has a selection, of up-to-date newspapers and magazines.　 [5] __________________

A. Most libraries have a reference section as well as the ordinary lending section.

B. Each subject is given a number according to a standard method of classification.

C. Fiction books, for example, are usually arranged alphabetically, according to the names of the authors. Nonfiction books are arranged subject by subject.

D. Readers can find the books they want to read by computers in every library.

E. Fortunately there are libraries in most towns that will lend us the books. Some are school libraries, others are public libraries. There may even be traveling libraries that visit remote areas.

F. Readers may also be able to read old issues of newspapers on microfilm by means of a microfilm reader. Storing information on microfilm saves a lot of valuable space. In university and some other libraries copies of many things, for example, documents, articles, and plans, are available on microfilm.

下面是一篇杂志文章，请将标有A-F的段落插入文章中标号1-5的合适位置，使这篇文章意义完整，结构连贯；其中有一个段落是多余的。

Libraries

No one can hope to own all the books he may want to read or use. [1] _________________

A good library contains thousands of books on all kinds of subjects. They are arranged on the shelves in certain order so that any particular book is easy to find.　 [2] ________________

3] __________________ If we are looking for a particular book or a book on a particular subject, we will need to look up a card index. An author index lists authors alphabetically and tells which of their books are in the library. A subject index lists all the books in the library on any particular subject. Both indexes list classification numbers so that the books can be found easily.

I never realized what useful the Internet could be until I made 　　　　 　　1. 　　　　　

friends online! It all started in a chat room about Chinese history.　　　　 2. 　　　　　

It turned that many westerners of my age shared my interest in　 　　　　 3. 　　　　　

China as well! It was such interesting that a whole hour had passed　　 　4. 　　　　　

and I am still engaged in the conversation! We all promised to meet　　　 5. 　　　　　

again for other lively discussion. 　　　　　　　　　　　　　　　　　　　　　　　　　 　　6. 　　　　　

You can’t imagine how interested it is to talk to people online. But it　 　 7. 　　　　　

is danger to give out personal information like address or school,　　　　　　 　　 8. 　　　　　

in which I never do. If you want to make online friends, simply give 　　 9. 　　　　　

a introduction with your name and a few hobbies or jokes. Maybe you　　　 10. 　　　　　

could meet your pen pal.

10. _____________ (optimistic) speaking, I’ve just learned something new that I will use in the future!

9. You should pay attention to the _____________ environment. (surround)

8. The children crawled through an _____________ space in the fence. (open)

7. As the language grows, our language is _____________ changing. (constant)

6. He took a seat, _____________ the newspaper and began to read. (fold)

5. She selected a diamond ring from the_____________. (collect)

4. We must arrange a _____________ time and place for the meeting. (convenience)