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Trees can help reduce air pollution . That’s true. __ , they can make the city cooler in hot summer .
A. However B. Therefore
C. Moreover D. Otherwise
八年级英语单选题中等难度题查看答案及解析
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— Planting trees is a good way to stop air pollution.
— I think so. trees, air pollution.
A. the more; the less B. the more; the fewer
C. the less; the more D. the less; the fewer
八年级英语单项填空中等难度题查看答案及解析
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Trees are one of the oldest "citizens (公民)" of our Earth. They keep our air clean, reduce noise pollution, improve water quality and provide food and building materials.
Just like us, trees change a lot as they grow. At l to 3 years old, young trees learn how to protect themselves. For example, many trees grow thorns (刺) to warn animals not to go near. Most young trees have large, deep green leaves so that they can catch enough sunlight and change it into their food and energy.
When trees are 4 years old, they begin to grow very quickly and become strong enough to face challenges(挑战). At the age of 15, trees become young adults. They grow more slowly and begin to produce flowers and fruit.
It is not until the tree is 20 to 25 years old that it becomes a real adult. The tree reaches its largest size. The adult tree gives us shade, oxygen（氧气）and natural beauty; it is also a great place for a tree house, or a place for us to read a book, listen to music and so on. If we give the adult tree proper care, it will go on to live for many years.
Gradually, trees begin to grow older and older and even die. At this time, they still have the important place in nature. When a tree becomes hollow (空心的) or part of it becomes dead, it provides a home to small animals and is a source(来源) of food for many other animals.
In many ways, the life of a tree is similar to our own life experience. When we are looking at the life of a tree, we learn about that each period(时期) of life brings its own joy and challenge. Enjoy every minute of the life of the trees and take care of the trees!
1.What can it be used as when a tree becomes hollow?
A. Food for all animals B. place for a tree house
C. Shade and beauty for people D. A home to small animals
2.Put the following in the right order according to the passage.
①Grow very rapidly ②Become a real adult ③Have large, deep green leaves ④Grow older and die ⑤Produce flower and fruit
A. ①-③-⑤-②-④ B. ③-⑤-①-②-④
C. ③-①-⑤-②-④ D. ②-①-③-④-⑤
3.Why should we enjoy every minute of our own life according to the passage?
A. Because our life is becoming better and better.
B. Because trees give us so much and make our world beautiful.
C. Because each period of life brings its own joy and challenge.
D. Because the life of a tree is similar to our own life experience.
4.The best title for the passage should be ____.
A. The life of a tree B. The ages of trees
C. The use of a tree D. The death of a tree
5.Which of the following shows the structure(结构) of the passage?
(1=paragraph(段落)1 2=paragraph 2……)
A.
B. 
C. 
D. 
八年级英语阅读单选困难题查看答案及解析
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I hope to plant a lot of trees. ______ trees, ______ air pollution.
A. The more; the fewer B. The less; the more
C. The less; the fewer D. The more; the less
八年级英语单选题中等难度题查看答案及解析
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----How terrible the air is!
Yes,if there are ___trees, there will be ___air pollution in our city.
A. less more B. more less
C. less less D. more more
八年级英语单项填空简单题查看答案及解析
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The air pollution caused the of many trees in this area. We should take care of the environment.
A. die B. died C. death D. dying
八年级英语单项填空中等难度题查看答案及解析
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— If there are ____ trees, the air will be cleaner.
— I agree. Then there will be less pollution.
A. much B. less C. fewer D. more
八年级英语单项填空困难题查看答案及解析
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—A good________is better than a brother in the next village.
—That’s true. He or she can help us in time when we have trouble.
A.family B.teacher C.neighbor D.doctor
八年级英语单选题中等难度题查看答案及解析
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1.The students____________air pollution by walking to school last term.
2.Your help has_____________. I understand the work better now.
3.All the people in the kingdom_____________the magic cloth before the king saw it.
4.Pollution____________our health. So we must protect our environment.
5."The food ________you though it tastes awful," my mother said to me.
6.Last Friday we had a sports meeting. I__________the basketball match.
7.They said they_____________to protect the environment already.
8.It seems unfair to make him______________everything.
9.Five and eleven______________to sixteen. Is it right?
10.First of all, I____________an apology for a mistake I made last week.
八年级英语选词填空中等难度题查看答案及解析
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China’s air pollution problems are more serious these days. But just try to remember that the air pollution shouldn’t stop you from enjoying life in China. Here are some tips for you to keep the smog（雾霾）away.
Watch the weather report.
As you can see， it will give you an analysis of pollution， but my general rule is： if it’s above 80， wear a face mask and limit（限制）time to spend outside； if it’s below 80， go outside and enjoy the day， open all the windows to get some much-needed fresh air and exercise. But do not exercise outside if the pollution is high. I went running once when it was around 120， and I was ill and missed several days of work.
Get a house plant that cleans the air.
A house plant can make your home beautiful and clean the air. I have some plants and just yesterday， I bought another plant. At that time I didn’t know it could clean the air. I just got it because it could make me feel better.
Never open the windows.
No matter how hot and wet it is inside， just wait until it is a nice day to air your apartment. Just stay at home and do some things you like.
1. How many tips does the passage mention（提及）?
A. 2 B. 3 C. 4 D. 5
2. The underlined word “analysis” means ________ in Chinese.
A. 现实 B. 分析 C. 例子 D. 图谱
3. You can go outside and play football if the pollution is ________.
A. above 80 B. above 100 C. above 120 D. below 80
4. Getting a house plant can ______ and make you feel happy.
A. clean the air B. make your house dirty
C. take you calm D. let your heart slow down
5.What’s the best title of the passage?
A. Never open your windows.
B. Listen to the radio every day.
C. Buy as many as trees as you can.
D. How to keep yourself safe in the air pollution.
八年级英语阅读理解中等难度题查看答案及解析