In the 13th century, Marco Polo travelled a long way to China. He was a famous Italian 31 During his stay in China, he saw many wonderful things. One of the things he 32 was that the Chinese used paper money. People in 33 coun­tries didn't use paper money until the 17th century. However,people in China began to use paper money in the 10th century. 34     was invented by a Chinese about 2 000 years ago. His name was Cai Lun. He then  35 these pieces of paper together and made them into a 36 .

Now paper mainly comes from trees. We use it every day. 37 we waste a lot of it. If we keep on doing so, people 38 cut down many more trees. Then there will not be any trees left. If there are no 39 , there will be no paper.

So how can we 40 paper? When we mak­ing notes,we can use 41 sides of each piece of paper. We  can  buy  drinks  in bottles instead of 42  in paper packets. We can also use cotton handkerchiefs ( ??????) and not the paper ones.

43  we go shopping, we can use fewer paper bags. If the salesman gives us a paper bag, we can keep it and  44  it later. We can help to protect trees if we think 45 . We should to it now,before it is too late.

1. A. traveller       B. actor         C. doctor       D. driver

2. A. disliked        B. disagreed        C. invented     D. discovered

3. A. Eastern        B. Western         C. Southern     D. Northern

4. A. Iron           B. Paper           C. Television    D. Silk

5. A. collected       B. divided         C. moved       D. put

6. A. magazine       B. newspaper      C. book         D. dictionary

7. A. Sometime       B. Some time      C. Sometimes    D. Some times

8. A. have to         B. mustn't         C. used to       D. shouldn't

9. A. books          B. trees           C, leaves        D. factories

10. A. make          B. use C.save       D. buy

11. A. all            B. each            C. every        D. both

12. A. them          B. those           C. these        D. ones

13. A. Before         B. After           C. As soon as    D. When

14. A. repair          B. record         C. reuse         D. return

15. A. carefully        B. badly          C. quickly      D. freely

Richard found work in a big office after he had finished college. He liked to use his (1)____and was good (2)_____ his work. So he was often paid more than his workmates and he worked (3)______. But something was wrong with the young man one month. He couldn't fall (4)____ at night. So he was always (5)____ in the daytime and often made mistakes. He had to go to a hospital. The (6)______ looked him over and (7)_____ him to buy some highly effective sleeping pills(高效安眠药). He took them (8)_______ the went to bed. Soon after that he went to (9)_____.   Richard (10)_______ in the morning, he had a look at the (11)_____ on the wall. It was a quarter to seven. He got up and went to work after (12)____ . As soon as he went in the office, he said to the head of the office, "Good morning, Mr. Clarke! I've(13)_______  had a good sleep like last night's. And I'm feeling (14)_______better now!"   "Skunk(混蛋)!"the head (15)_____ loudly.”We've looked for you for two days! I wanted you to do something important, but it's too late now!"

In the 13th century, Marco Polo travelled a long way to China. He was a famous Italian 31 During his stay in China, he saw many wonderful things. One of the things he 32 was that the Chinese used paper money. People in 33 coun­tries didn't use paper money until the 17th century. However,people in China began to use paper money in the 10th century. 34     was invented by a Chinese about 2 000 years ago. His name was Cai Lun. He then  35 these pieces of paper together and made them into a 36 .

Now paper mainly comes from trees. We use it every day. 37 we waste a lot of it. If we keep on doing so, people 38 cut down many more trees. Then there will not be any trees left. If there are no 39 , there will be no paper.

So how can we 40 paper? When we mak­ing notes,we can use 41 sides of each piece of paper. We  can  buy  drinks  in bottles instead of 42  in paper packets. We can also use cotton handkerchiefs ( ??????) and not the paper ones.

43  we go shopping, we can use fewer paper bags. If the salesman gives us a paper bag, we can keep it and  44  it later. We can help to protect trees if we think 45 . We should to it now,before it is too late.

1. A. traveller       B. actor         C. doctor       D. driver

2. A. disliked        B. disagreed        C. invented     D. discovered

3. A. Eastern        B. Western         C. Southern     D. Northern

4. A. Iron           B. Paper           C. Television    D. Silk

5. A. collected       B. divided         C. moved       D. put

6. A. magazine       B. newspaper      C. book         D. dictionary

7. A. Sometime       B. Some time      C. Sometimes    D. Some times

8. A. have to         B. mustn't         C. used to       D. shouldn't

9. A. books          B. trees           C, leaves        D. factories

10. A. make          B. use C.save       D. buy

11. A. all            B. each            C. every        D. both

12. A. them          B. those           C. these        D. ones

13. A. Before         B. After           C. As soon as    D. When

14. A. repair          B. record         C. reuse         D. return

15. A. carefully        B. badly          C. quickly      D. freely

阅读下面短文，据上下文意义和所给单词首字母，写出每小题适当单词的完全正确形式，每空一词。

     Mr Jackson works in a college. He likes reading and often b  1   some books from the library. He keep l   2   to the radio every morning and reading n   3   after dinner. So he knows much and t  4    well. His s   5  worship(崇拜) his very much. Mike, Mr Jackson's little son is only nine. He a   6   likes reading books. And he often asks his father some questions. Mr Jackson always think he is too y   7  to understand him, so he chooses easy ones to answer. Of course the boy is not satisfied(对…满意) with it.

     One day Mike read s   8  about the electric lights and was i   9   in it. When his father t   10  him to do housework, he w   11  on thinking o   12   it. He asked him a

f  13  questions, and his father answered all. Then his father said p  14   , "Fathers always know m  15  than s  16  !"Then boy t  17  for a while and said, "I don't think so!" "Oh? Why?" Mike didn't answer and asked i  18   . "Who i  19  the electric lights? " "Thomas Edison ," answered Mr Jackson "Why didn't his father invent them then" Mike asked again.

     Looking at his son. Mr Jackson didn't know w  20__to answer.