Many people can use computers, but few of them know how to use them properly(合理地). Here are five suggestions for you when you use your computer.

1. Keep your computer in a cool, dry room. Computer work best at a temperature of 5ºC ~30ºC.

2. Do not smoke or let other people smoke cigarettes near your computer. Smoke of all kinds can cause many problems.

3. Do not eat or drink when you are near your computer. Pieces of food and some water in the keyboard can also cause many problems.

4. Make sure that keyboard and the screen(屏幕) are at the proper height for you. If not, you will get a backache.

5. Make sure the screen is at the suitable distance from your eyes. Keep your screen clean and do not have it too bright. A dirty screen can hurt your eyes. A very bright screen can also be bad for your eyes.

(     )46. What will happen to the computer when room temperature is below 0ºC?

A. It may become dirty.                B. It may break into pieces.

C. It may not work as well as usual.      D. It will be bad for your eyes.

(     ) 47. Your had better not eat or drink at the computer because _____________.

A. the food may cause problems         B. the food may taste bad

C. the screen will harm (伤害) you       D. the screen will be dark

(     ) 48. Which suggestion is about how to protect your eyes when you use a computer?

A. No.2.         B. No. 3             C. No.4         D. No.5 

(     ) 49. The title of this passage is most probably ______________.

A. How to use computers        B. How to cool computers

C. How to buy computers        D. How to clean computers

(     ) 50. The passage can most probably be found in a ____________book.

A. history     B. science     C. travel    D. math

Reading for pleasure(消遣) is the easiest way to become a better reader in English. It is also the most important way.

Some students say they don’t want to read for pleasure. They say they want to use their time to learn the rules of the language and new words. They say that pleasure reading is too busy.

Many experts(专家)say pleasure reading is very important for learning English. Dr Stephen Krashen, a famous expert on learning languages, says that pleasure reading helps you learn many important things about English. Students learn more grammar and more words when they read for pleasure. They also learn more about good writing.

Dr Krashen tells us that pleasure reading helps each student in a different way. Each student needs to learn something different. Pleasure reading makes it possible for each student to learn what he or she needs.

Reading for pleasure is not the same as studying. When you read for pleasure, you choose your own books, and you don’t have to remember everything. There are no tests on your pleasure reading books. Pleasure reading will help you：

·learn how English speakers use English

·read faster in English

·find examples of good writing in English

·learn new words

·learn about the culture of English speakers

(     ) 41. Reading for pleasure is the _________way to become a better reader in English.

A. best      B. fastest     C. easiest   D. nearest

(     ) 42. Many experts say students learn more ___________when they read for pleasure.

A. grammar and listening          B. listening and spelling 

C. listening and speaking          D. grammar and words

(     ) 43. Each students need to learn ___________by pleasure reading.

A. something difficult            B. something different   

C. something easy               D. something important

(     ) 44. From the passage, we know pleasure reading makes it the most impossible for each student to___________________.

A. find examples of good writing in English      B. learn new words

C. learn how English writers use English         D. read faster in English

(     ) 45. The passage is mainly about _____________.

A. pleasure reading in a different way        B. pleasure reading in the same way

C. pleasure reading in an easy way          D. pleasure reading in an important way

George Washington Carver was born in 1864. He was born a slave(奴隶). When he was still a baby, his mother was stolen. He was kept by his master.

All his life George loved 26　 .When he was only seven years old, he already knew so 　27 about plants that people in his hometown called him“the plant doctor”.

George wanted to learn as much as he could, but there was no 　 28　 for black children where he lived. When he was ten, he left home to find a town that would allow　 29　 children to go to school. He studied in Missouri and Kansas 　30　 he finished high school. All this time he had to work to　 31　 his own expense(费用). He worked as a cook and opened his own laundry.

In 1890, George began college. At first he studied art, but he still had a 　32　 of plants. He began to study agriculture (农业). After he graduated, the famous inventor Thomas Edison asked him to work in his lab but George 33　 . He had other　 34　 . He started an agricultural organization(组织)for black students in Alabama.

In those days, many 35　　 in the south grew only cotton(棉花). This was 　 36 to the soil(土壤). After a while the 　37　 would not grow as well. George Washington Carver wanted to help farmers in the south to grow plants like peanuts and sweet potatoes. These plants helped the　 38　 . Over the years he invented hundreds of ways to use these two plants.

George Washington Carver invented(发明) so many things that he was　 39 “the Wizard (能手)of Tuskegee”. He died in 1943 at the 　 40　 of 79.

(　　 ) 26. A. animals　　　 B. plants　　　 C. buildings　　 D. photos

(　　 ) 27. A. much　　　　 B. many　　　 C. little　　　　 D. few

(　　 ) 28. A. house　　　　 B. farm　　　 C. hospital　　　 D. school

(　　 ) 29. A. brown　　　 B. yellow　　 C. black　　　　 D. white　

(　　 ) 30. A. when　　　　 B. until　　　 C. for　　　　　 D. since

(　　 ) 31. A. cost　　　　 B. spend　　　 C. pay　　 　　　D. take

(　　 ) 32. A. love　　　　 B. hate　　　 C. question　　　 D. surprise

(　　 ) 33. A. accepted　　 B. refused　　 C. understood　　 D. cared

(　　 ) 34. A. situations　　 B. suggestions　 C. plays　　　　 D. plans

(　　 ) 35. A. farmers　　　 B. scientists　 C. doctors　　　 D. inventors

(　　 ) 36. A. helpful　　　 B. harmful　　 C. careful　　　 D. wonderful

(　　 ) 37. A. pumpkin　　 B. peanut　　　 C. cotton　　　 D. potato

(　　 ) 38. A. soil　　　　 B. water　　　 C. air　 　　　　D. weather　

(　　 ) 39. A. seen　　　　 B. looked　　　 C. found　　　　 D. called

(　　 ) 40.A. time　　　　 B. year　　　　 C. age　　　　　 D. season

---I think teenagers should be allowed to drive.

---_________.They aren’t serious enough.

A.I disagree　　 B.I think so　　　 C. I agree　 D. I hope so

 The baby never cries___________ she is hungry.

          A. of       B. unless         C. but       D. that

 ---How do you study English?

---I study _______________ to tapes.

A. with listening   B. on listening    C. by listening   D. in listening

There are _________people in the city.

         A. one million of   B. millions   C. two millions   D. millions of

The project is designed to ________young people with information about jobs.

A. offer    B. give    C. pay       D. provide

 The blue bag _________ be Anna’s. Her bag is red.

A. should   B. could   C. wouldn’t   D. can’t 

 What school rules do you think___________?

A. should change         B. should be changed  

C. should changed        D. should be changing