We know that many animals do not stay in one place. Birds, fish and other animals move from one place to another at a certain time. They move for different reasons: most of them move to find food more easily, but others move to get away from places that are too crowded.

When cold weather comes, many birds move to warmer places to find food. Some fishes give birth in warm water and move to cold water to feed. The most famous migration (迁移) is probably the migration of fish, which is called “salmon”. This fish is born in fresh water but it travels many miles to salt water. There it spends its life. When it is old, it returns to its birthplace in fresh water. Then it gives birth and dies. In northern Europe, there is a kind of mouse. They leave their mountain homes when they become too crowded. They move down to the low land. Sometimes they move all the way to the seaside, and many of them are killed when they fall into the sea.

Recently (近来), scientists have studied the migration of a kind of lobster (龙虾). Every year, when the season of the bad weather arrives, the lobsters get into a long line and start to walk across the floor of the ocean. Nobody knows why they do this, and nobody knows where they go. So, sometimes we know why humans and animals move from one place to another, but at other times we don’t. Maybe living things just like to travel.

1.Most animals move from one place to another at a certain time to _______.

A. give birth B. find food more easily

C. enjoy warmer weather D. find beautiful places

2. The mice in northern Europe move when _______.

A. they give birth

B. they haven’t enough food

C. the weather is bad

D. the place gets too crowded

3. What is the main idea of the passage?

A. Animals move to find food more easily.

B. The migration of the fish called “salmon” is the most famous migration.

C. Sometimes we know why and how living things move from one place to another, but sometimes we don’t.

D. Living things move from one place to another because they like to travel.

A group of students at Sunshine School are holding a charity sale to raise money to help their classmate Lisa. Lisa had cerebral palsy (大脑性瘫痪) when she was a baby. People who have cerebral palsy have trouble walking. Although Lisa has to use a wheelchair (轮椅) to help her get around, she never gives up.

“Lisa has the chance of standing up, but she needs an operation (手术),” Lisa’s doctor said.

“I never thought that I could stand up one day. Actually the news is surprising for me. However, when I see my parents are worried about the cost of the operation, I am sad. I don’t mind if I can’t stand up,” Lisa said. “Now my classmates and some other kind people are helping me. I am really thankful.”

“While helping Lisa, we can also learn a lot. We have learned how to cook cookies (曲奇饼) and how to sell them,” Betty, one of Lisa’s classmates said. “Now we know making money is not easy, so we won’t waste money anymore.”

Alex, a boy in Lisa’s class, told a reporter that they could raise about $100 every day. “We have raised about $2,100 so far. We hope we will raise more money for Lisa’s operation,” he said.

1.What problem does Lisa have?

A. She can’t speak.

B. She can’t stand up.

C. She has to stay in bed every day.

D. She can’t walk because of a traffic accident.

2.What do you know from Lisa’s words?

A. Lisa is very happy with her life.

B. Lisa’s parents don’t wish her to stand up.

C. Lisa is angry with her parents.

D. Lisa’s family doesn’t have enough money to do the operation.

3.How are Lisa’s classmates probably raising money for Lisa?

A. By holding a party.

B. By selling home-made cookies.

C. By collecting waste paper.

D. By asking their parents for money.

4.What can you know from the passage?

A. Lisa is so nervous.

B. Lisa is lucky because many people are helping her.

C. The doctor has no confidence in Lisa’s operation.

D. Lisa’s classmates have made enough money for Lisa’s operation.

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