It’s Saturday. Helen has no classes today. She wants to buy a new dress. Her mother is at work, so she is going to the shop with her father. They go there by car. But her father doesn’t like going shopping, so Helen goes to the shop and her father sits in the car and waits for her.

There are a lot of people in the shop. It is very crowded(拥挤的). Helen looks at the clothes and chooses(挑选). Her father waits and waits. About an hour goes by. Helen doesn’t come out. Her father is worried about her. “Why does she stay in the shop for so long?” He comes out of the car. Just then, a man comes up to him. “Excuse me. Are you Helen’s father?” “Yes.” “Helen is waiting for you. She doesn’t have enough money.” “Oh, I see.”

Then he goes after the man into the shop. Helen is very happy to see her father. She chooses a nice green dress. After her father pays(付款) the money, they go home together.

1.Helen goes shopping with her father because .

A. her father has more money

B. her father is free

C. she likes father better

D. her father likes shopping

2.What does Helen’s father do when she does some shopping?

A. He goes after Helen.

B. He takes Helen.

C. He reads newspapers.

D. He sits in his car.

3. ------Why does Helen do shopping for so long a time?

------Because .

A. she buys too many things

B. she can’t choose clothes

C. she has no enough money

D. she can’t find the way out

4. How does Helen’s father know the truth(事实)?

A. Helen tells him about it.

B. A man tells him.

C. Helen calls him up.

D. Helen’s father asks Helen about it.

5. Why does Helen feel happy when she sees father come in?

A. Father can pay for the dress.

B. She can go home with him.

C. She misses him very much.

D. She doesn’t stay in the shop.

Now, it may be difficult to predict the future, but many people believe that we will live on Mars by the year 2100. Our own planet, Earth, is becoming more and more crowded and polluted. Well, what problems will we need to solve before we prepare to go to Mars?

First of all, transport should be much better. At present, humans need to spend months going to Mars by spaceship. However, by 2100, spaceship can travel at half the speed of light. It might take us two or three days to get there!

Secondly, humans need food, water and air to live. Scientists should develop plants that can be grown on Mars. These plants will produce the food, water and air that we need. However, there is no answer for all the problems now.

There is also a problem for us to live on Mars. Mars attracts us much less than the Earth does. This will be dangerous bec ause we could easily jump too high and fly slowly away into space there. We will have to wear special shoes to make ourselves heavier.

In some ways, life on Mars may not be better than that on the earth today. Food will not be the same --- meals will probably be in the form of pills and will not be as delicious as they are today. Also, space travel will probably make many people feel very uncomfortable.

1. According to the passage, by the year 2100, we will possibly live________.

A. on Mars B. on the moon.

C. in the spaceship. D. in the sea.

2. So far, how long does it take us from the earth to Mars by spaceship?

A. Two or three days. B. A few days.

C. A few months. D. A few years.

3.According to the passage, which of the following is wrong?

A. A special plant which can produce water, air and food should be needed on Mars

B. We may go to Mars when transport is much better and faster.

C. We can jump higher on Mars than on the earth.

D. Food on Mars will be much better to eat.

4.Which looks like life on Mars according to the passage?

A. We can wear the shoes that we like to wear.

B. We can drink easily and conveniently.

C. We can walk faster than on the earth.

D. We can boil food to eat.

5.Why do we want to live on Mars?

A. Life on Mars is more interesting than that on the earth.

B. The earth is becoming dirty and crowded.

C. The journey to Mars is very interesting.

D. The scientists want us to do that.

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