1. The passage tells us______.

　A. Scapli’s today and yesterday

　B. the author’s two trips to Scapli

　C. how Scapli changed

　D. how the author went to Scapli

2. The author sat beside a man, who ______.

　A. told him only his age

　B. went to sleep during the whole journey

　C. said nothing about his name

　D. didn’t say a single word to the author

3. The author ______.

　A. visited Scapli again after twenty eight years

　B. found many men were called John Castleton

　C. went to Scapli again shortly after there was local planes

　D. knew John Castleton was the President

4. Why did the autor still remember the man’s name after so many years? Because ______.

　A. they had a long and interesting talk

　B. the man had few words, which made him unpleasant and lonely

　C. the man’s name was easy to remember

　D. he was as old as the man beside him

5. During the two trips, the author ______.

　A. met two men, who were all men of few words

　B. found Castleton wasn’t what he used to be

　C. sat beside two men with the same name

　D. Came to know the truth that talking with another could make trips pleasant

B

　　Many years ago, there were lots of trees on the earth, because summer went on all year round. A forest covered the earth like a green carpet. What was the forest like? It is not difficult to find out because parts of that ancient (古代的)forest still stand. It is known as the rain forest. There even in fine weather, water falls in drops through the leaves.

　　The largest of today’s rain forests is in South America. It covers about a million square miles (平方英里) All the trees are very tall. The young trees are up to 60 feet high, but it is not easy for some to grow taller, because very little sunlight gets to them.

　　The grown-up trees are about 60 to 100 feet high. Some are even taller. The tallest trees can be 200 or more feet high. In the forest of tall trees, not only plant life is rich but but also animal life. At different heights (高度) live different animals. By the noises they make you know they are there.

6. Millions of years ago, there were lots of trees, because the weater was ______.

　A. fine B. warm C. cool D. cold

7. Why is it not easy for some young trees to grow taller in the rain forests?

　A. There is lots of rain. 　B. The weather was bad.

　C. The soil is poor. 　D. The tall trees keep back the sunlight.

8. The tallest trees can grow up to ______feet high.

　A. below 60 B. over 60 C. over 200 D. below 200

9. Why does water fall in drops in fine weather through the leaves?

　A. It still rains in fine weather

　B. The trees give out water all the time

　C. The trees are too thick for the rain to fall down soon

　D. It is a forest making rain

10.Which is the best title of the passage?

　A. Planting Trees on Earth

　B. the Oldest Trees on Earth

　C. Why Do the Rain Forests Grow So Tall

　D. The Rain Forests in South America

C

　　Warm water freezes (结冻) more quickly than cold water. Sir Francis Bacon said that almost four hundred years ago. But few people believed him until 1970. In that year Canadian scientist Geoge Kell proved (证明) the English physicist was right. Dr Kell filled one open bowl with cold water. He filled another with warm water. He put both bowls to the same low temperature. The warm water froze(结冰) first.