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

Thousands of years ago, people only ate food that was grown near their homes. Some kinds of food were only grown in one place, so people from other places didn't know about them. When Europeans first traveled to Central and South America in the 1500s, they discov­ered strange kinds of food that they had never seen before. Today, these are grown in a lot of different countries and they're sold in supermarkets all over the world. They don't seem strange any more!

Potatoes were first grown in the Andes in South America. In 1586， they were taken to Europe by explorers(探险家).In 1719， they were taken to North America. Before 1719， nobody in North America had ever seen or eaten a potato. Today each American eats more than 60 kilos of potatoes a year.

Tomatoes were also first grown by native(本地的)Americans. When European explorers visited the south of America in 1500, they took tomato seeds(种子)back to Europe. Soon, tomatoes were grown in Europe, but people in England didn't eat them. At that time, a lot of English people thought that tomatoes were poisonous!

Chilies(辣椒)have been eaten in Central and South America for more than 8 ，000 years ！ In the 1500s, chilies were taken to Europe by explorers. Today, they are grown in hot coun­tries all over the world.

11. How many kinds of food are mentioned in the passage?

A. Two.          B. Three.         C. Four.

12. People in Central and South America have eaten chilies for more than          years.

A. 1,500          B. 1,586         C. 8,000

13. The underlined word "poisonous" in the passage means "           " in Chinese.

A.有毒的          B.重要的         C.辛辣的

14. According to the passage, we know that          .

A. people only ate food grown near their homes after 1719

B. people in Europe were the first to plant potatoes

C. the European explorers took chilies to Europe in the 1500s

15. Which of the following is the best title(标题)for the passage?

A. Traveling to America

B. "Strange" Food

C. The Earliest Explorers

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 ( 棉手帕) 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.

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