Is the world too crowded? Well, that’s a hard question to answer. It’s all a matter of perspective(视角).In Montana, you might drive for a mile in any direction and not see another human being. In Macao, 60,000 people live in every square mile!

What is true is that the world’s population doesn’t stay the same. It has been increasing at a very fast rate(比例).That’s in part because in each generation(代) these are more people who then have children than in the last generation.

Five hundred years ago, the population of the world was about 460 million. In 1900,the world’s population was under 2 billion(十亿).Right now it is doubling every 40 years. That means, if this rate of growth continues, when you are a parent, there will be twice as many people on earth as there are now. Wow! Now that’s a whole lot of people! Soon the world’s population will probably reach 7 billion. Some people worry about that! But there is a lot of disagreement about just how many people on earth equals(相当于) too many people. But everyone agrees that the more people there are, the more resources(资源) the world needs to feed, house and take care of all of them, and the more need there is to think carefully about how we live and use the earth’s resources.

1.From the first paragraph we can know that ?________.

A. Montana is too crowded

B. Macao is too crowded

C. the world is too crowded

D. the world is not too crowded

2.The population is increasing fast partly because ________.

A. people live longer than before

B. there are less wars than before

C. medicine is developing faster than before

D. more couples now would like to have children than before

3.What was the world’s population 100 years ago?

A. 450 million. B. about 2 billion.

C. 40 billion. D. 7 billion.

4.The writer thinks that with the population increasing, we should ________.

A. find more resources

B. use more resources

C. think about our ways of living

D. move to other places

5.From the passage we can learn that the writer ________.

A. thinks the world already has too many people

B. thinks the world can feed no more than 7 billion people

C. is not sure when the world’s population will reach 7 billion

D. is not sure what the largest population that the world can feed is

Last weekend after a quick lunch at a snack bar, I still had some extra (外的)time before going through security (安全措施)to catch my flight to Not knowing what to do,I then decided it was the perfect time and place to look for an act of kindness to do.

There was a girl having flowers for sale. I told her that Fd like to buy flowers for someone else, and she could decide who to give them to. She looked a little confused,so I suggested perhaps she should give flowers to someone who looked a little sad. That was because he or she might need cheering up.

At first, the girl answered,“That’s crazy.99 But then I explained a little more about the idea of doing something kind for a stranger ? and she understood.

“I’ll never know how it turns out,” I said,“but you will have the chance to make someone’s good day. ” At that time,she seemed excited about it.

She went to take the flowers out of the water they were sitting in, and I explained,“It’s fine to leave them in the water until the person who you want to give them comes”

At that point, I thought she was between surprised and happy, because it might be her first time to meet a customer like me, I paid for the flowers, said goodbye, and joined the security line.

1.Where was the writer last weekend?

A. At the bus station. B. At the train station. C. At the airport.

D. At the subway station.

2.The writer wanted to buy flowers because he ____

A. thought the flowers were beautiful B. thought the girl was poor

C. wanted to cheer up someone sad D. wanted to make friends with the girl

3.A t first the girl thought the writer was _____

A. kind B. crazy C. bored D. rich

4.According to the passage, the girl might ____ after the writer left.

A. give the flowers to a stranger

B. take the flowers home

C. sell the flowers to others

D. leave the flowers at the airport

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