Humans and animals need oxygen to exist. Without it, most living things will die. But where does oxygen come from? Trees. Trees can take in much carbon dioxide (二氧化碳) which may be bad for our environment and produce oxygen for us to breathe. | |
All people know that trees are important to us. Scientists believe human life would be impossible if there were no trees on Earth. | |
Trees are a major source (来源) of food. Apples, oranges, lemons all come from trees. Humans and animals knew how to get food from trees many years ago. | |
In fact, many kinds of important medicine come from trees too. Some special things in trees can be used to produce medicine. Also, trees create more beautiful and relaxing environments. They help protect the soil（土壤）. |
1.What is the passage about?
A. Humans. B. Animals. C. Trees. D. Fruit.
2.Which of the following may damage(危害) our environment?
A. Oxygen. B. Medicine.
C. Food. D. Carbon dioxide.
3.What CANNOT people use trees to do'?
A. To produce oxygen.
B. To make food.
C. To create medicine.
D. To destroy the soil.
4.The passage mainly (主要地) wants to tell us______________.
A. trees are not important to animals
B. animals need oxygen to breathe
C. there are few trees in the world now
D. trees can help humans and animals in many ways
5.We may read this passage in a ________.
A. magazine B. travel guide
C. storybook D. newspaper
I'm Kate. When I was young, I wanted a dog. But my parents always said I was too young. They suggested (建议) getting another kind of pet. But I wanted a dog, so I waited. When my parents decided I was old enough at last, 1 got Luke. Since then, I've learned that having a dog is really hard work. |
Cinder and I have been friends for nearly a year. Cinder is my dog. I named her Cinder because my name is Cindy. I think the name Cinder sounds nice. I got the dog on my twelfth birthday. The next morning, I went to the library to find out some information about how to take care of the dog. |
My name is David. I'm in Grade Four at the Blake School near Minneapolic, Minnesota. During the school year, my pet hamster (仓鼠), Lightning, lives in our classroom. She is brown and white. I got my hamster two years ago. My friend Jason and I gave each other a hamster for our birthdays. I brought my hamster to school once and the other kids liked her. I decided to leave her there, because my mom hated having Lightning in the house. |
1.What did Kate learn after getting a dog?
A. Dogs were lovely.
B. Having a dog was hard work.
C. Dogs were cheerful.
D. Having a dog had a lot of fun.
2.How long has Cindy kept Cinder?
A. For about a month.
B. For about a year.
C. For half a year.
D. For half a month.
3.What did Cindy do the next morning after she got Cinder?
A. She went to the library.
B. She played with Cinder.
C. She gave Kate a phone.
D. She took Cinder to her school.
4.Which of the following is NOT true about David and his pet?
A. He put her at home.
B. He got her two years ago.
C. His friend gave her to him.
D. His classmates liked her.
5.In what way are Cindy's pet and David's pet the same?
A. They're both dogs.
B. They're both very big. .
C. They both like eating.
D. They're both birthday presents.