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World Wildlife Fund (WWF)'s goal is to save the world's environment. The organization was set up ___21__September 11，1961. In the beginning, WWF worked __22__ the world's wildlife. Now, it works to save Earth__23___ its environment.

WWF has many tasks. One is to stop air pollution. Pollution from industry(工業(yè))  and cars is _24_ to our environment. Each year, more and more trees are cut down __25__WWF tries to protect Earth's forests．Also people use more land, more and more animals are __26__ their homes and many die. WWF can buy important areas to __27__ the land from disappearing because of human development.

WWF has completed many projects. In China, WWF works to save pandas from  extinction（滅絕）． ___28__South America，it works to save the Amazon Rainforest.  Volunteers and donations help WWF complete its work. WWF's work is __29__to our environment, and is also important for people to help them __30__ time and money.

 We live in computer age (時代). People         scientists, teachers, writers and even students use computers to do all kinds of work. But more than 30 years ago,         couldn't do much. They were very big and expensive. Very        people were interested in them and knew how to use them. Today computers are smaller and       , but they can do     work than before. Many people like to use them. Some people even have them at home.

  Computers become very important because they can work         than people and make fewer mistakes. Computers can        people do a lot of work. Writers now use computers to        . Teachers use them to help teaching. Students use them to         . Computers can also remember what you          them. Computers are very useful and helpful. They are our friends. Do you want to have a computer?

1.A. like          B. as              C. and              D. with

2.A. students    B. scientists    C. teachers         D. computers   

3.A. few          B. a few          C. little             D. a little

4.A. cheap       B. cheaper       C. more expensive   D. expensive

5.A. much        B. many         C. more            D. less

6.A. fast         B. faster         C. slow              D. slower

7.A. help         B. make          C. stop              D. use

8.A. write        B. play           C. study            D. learn

9.A. sing         B. study          C. dance           D. watch

10.A. put in    B. put on         C. put into        D. put up

We live in computer age (時代). People    1    scientists, teachers, writers and even students use computers to do all kinds of work. But more than 30 years ago,    2    couldn't do much. They were very big and expensive. Very    3    people were interested in them and knew how to use them. Today computers are smaller and    4    . But they can do a lot of work, many people like to use them. Some people    5    have them at home.

Computers become very important because they can work    6    than people and make fewer mistakes. Computers can    7    people do a lot of work. Writers now use computers to    8    . Teachers use them to help teaching. Students use them to    9    . Computers can also remember what you    10    them. Computers are very useful and helpful. They are our friends. Do you want to have a computer?

1.A. like B. as C. and D. with

2.A. students B. scientists C. teachers D. computers

3. A. few B. a few C. little D. a little

4.A. cheap B. cheaper C. more expensive D. expensive

5. A. even B. still C. already D. yet

6. A. fast B. faster C. slow D. slower

7.A. help B. make C. stop D. use

8. A. write B. play C. study D. learn

9.A. sing B. study C. dance D. watch

10. A. put in B. put on C. put into D. put up

We live in computer age (時代). People    1    scientists, teachers, writers and even students use computers to do all kinds of work. But more than 30 years ago,    2    couldn't do much. They were very big and expensive. Very    3    people were interested in them and knew how to use them. Today computers are smaller and    4    . But they can do a lot of work, many people like to use them. Some people    5    have them at home.

Computers become very important because they can work    6    than people and make fewer mistakes. Computers can    7    people do a lot of work. Writers now use computers to    8    . Teachers use them to help teaching. Students use them to    9    . Computers can also remember what you    10    them. Computers are very useful and helpful. They are our friends. Do you want to have a computer?

1.A. like B. as C. and D. with

2.A. students B. scientists C. teachers D. computers

3. A. few B. a few C. little D. a little

4.A. cheap B. cheaper C. more expensive D. expensive

5. A. even B. still C. already D. yet

6. A. fast B. faster C. slow D. slower

7.A. help B. make C. stop D. use

8. A. write B. play C. study D. learn

9.A. sing B. study C. dance D. watch

10. A. put in B. put on C. put into D. put up

We live in “computer age(時代)”. People like using computers to do ___21__work. But more than 20 years ago, ___22__couldn’t do much. They were very big and expensive. Very __23___people were interested in them and knew how to use them. Today computers are smaller and ___24___.Since they are useful, many people like to use them, even at home.
Computers ___25___very important because they can work ___26___than men and make fewer mistakes. Computers can ____27___people do a lot of work. Writers can use computers to write. Teachers can use computers to help teaching and students use them to study. Computers can also remember what you put ___28____ them. Computers are very___29___. They are our good friends. Do you want to ___30____a computer.