3. Gravity is strong that

　 A. it can throw a ball into the air.　　　　　 B. it makes you jump only seven feet.

　 C. it can let you fly away from the earth.　　 D. it can keep everything on earth.

2. When you slip(滑) you always fall to the ground because

　 A. the earth always turns round.　　　　　　　　　 B. the earth has gravity

　 C. the earth’s gravity is greater than your weight.　　 D. you are careless.

1. In this passage, the word “gravity” means.

　 A. the pull of everything.

　 B. the force of attraction(吸引) among objects.

　 C. the force which attracts objects towards the centre of the earth

　 D. the force which attracts the earth towards the sun.

5、(1分)

　　 Even if you are a good high-jumper, you can jump only about seven feet off the ground. You cannot jump any higher because the earth pulls you hard. The pull of the earth is called gravity.

　　 You can easily find out the pull of the earth. If you weigh yourself, you will know how much gravity is pulling you.

　 　Since there is gravity, water runs down hill. When you throw a ball into the air, it falls back down. Because of gravity, you do not fall off the earth as it whirls (旋转) around.

　　 Then, can we get away from the earth and go far out into space? Now you can do it, because spaceships have been invented. Then spaceship will go so fast that it can escape (逃出) the earth’s gravity and carry you into space.

5. In the second paragraph, “…take a chance” means ______.

　 A. Mr. Gray happened to meet a stranger

　 B. Mr. Grey had a chance to help a stranger

　 C. Mr. Grey helped a stranger by chance

　 D. Mr. Grey took the risk that the stranger would not give back the money which he lent him

4. One morning the stranger recognized Mr. Grey, and_______

　 A. wanted to return Mr. Grey the money

　 B. again asked Mr. Grey for money

　 C. would like to make friends with him

　 D. told Mr. Grey that he had been successful since then

3. Mr. Grey had been willing to lend money to a stranger in order to_______

　 A. give him a start in life　　　　　　 B. help him on the way to success

　 C. make him rich　　　　　　　　　 D. gain more money

2. Mr Grey liked walking to his office because ________.

　 A. he couldn’t afford the buses　　　 B. he wanted to save money

　 C. he wanted to keep in good health　 D. he could do some exercises on the way

1. How did Mr. Grey get to his office?

　 A. He went up to work by train.

　 B. He walked to his office.

　 C. He went to his office on foot unless it rained.

　 D. He usually took a train to the station and then walked to his office if the weather was fine.

4、(1分)

　　 Mr. Grey was the manager of a small office in London. He lived in the country, and came up to work by train. He liked walking from the station to his office unless it was raining, because it gave him some exercise.

　　 One morning he was walking along the street when a stranger stopped him and said to him, “You may not remember me, sir, but seven years ago I came to London without a penny in my pockets, I stopped you in this street and asked you to lend me some money, and you lent me £ 5, because you said you were willing to take a chance so as to give a man a start on the way to success.”

　　 Mr Grey thought for a few minutes and then said, “Yes, I remember you. Go on with your story!” “Well,” answered the stranger, “are you still willing to take a chance?”