Trees have a long history on the earth. Just ...

Trees have a long history on the earth. Just like us, trees change a lot when they grow. At one to three years old, young trees learn how to protect ___. For example, many trees grow thorns to ___ animals not to go near. ___ young trees have large, deep green leaves so that they can catch enough sunlight and change it to food and energy. When trees are 4 years old, they begin to grow very fast and become strong ___ to face everything in life. At the age of 15, trees become young adults. They grow slowly and begin to produce flowers and ___. It is not until the trees are 20 to 25 years old that they become real adults. The trees reach their ___ sizes. Adult trees give us many things ____ oxygen and natural beauty. If we give them good care, they will go on to live healthily for many ___. As time goes on, trees begin grow ___ and even die. At this time, they still have their important ____ in nature. Enjoy every minute of the life of the trees and take care of them.

1.A. people　　 B. themselves　　 C. fruit　　 D. animals

2.A. let　　 B. make　　 C. tell　　 D. do

3.A. No　　 B. A few　　 C. Much　　 D. Few

4.A. very　　 B. more　　 C. enough　　 D. quite

5.A. leaves　　 B. fruit　　 C. grass　　 D. sunlight

6.A. smallest　　 B. earlier　　 C. youngest　　 D. largest

7.A. example　　 B. for example　　 C. so that　　 D. such as

8.A. years　　 B. times　　 C. minutes　　 D. time

9.A. older and older　　 B. more and more beautiful　　 C. more and more　　 D. faster and faster

10.A. flowers　　 B. fruit　　 C. place　　 D. trees

八年级英语完型填空中等难度题查看答案及解析

Trees are one of the oldest plants on the earth. Just like us, trees change a lot　　 they grow. At one to three years old, young trees learn to 　　　 themselves. For example, many tree grow thorns (刺)to tell animals　 　　 　 near. Most young trees have large and deep green leaves to　　 enough sunlight and turn it into their food and energy. When trees are four years old, they are　 strong enough to　　 the challenge(挑战)in life. At the age of fifteen, they become young adults and grow more 　　 . They will have their own flowers and fruit. After the trees are twenty to twenty-five years old, they are called real adults because they reach their　　 . Adults trees give us oxygen and natural beauty. If we　　 them very well, they will live healthily for many years. As time goes on, trees begin older and older and even　　 . At this time, they still have their important places in nature and uses for people.　　 many ways, the life of trees is like our own life experience.

1.A. before　　　 　　 B. when　　 C. after　　　　 D. since

2.A. protect　　　　 　 B. provide　　　　 　 C. prevent　　 D. pollute

3.A. to go　　　　 　　 B. to leave　　　　　 　 C. not to go　　 D. not to leave

4.A. enjoy　　　　　　 B. keep　　 C. stay　　　　 D. catch

5.A. get　　　 　　　　 B. receive　　 　　　　　 C. face　　 D. welcome

6.A. fast　　　 　　　　 B. faster　　 　　　　　　 C. slow　　 D. slowly

7.A. weights　　　 　　 B. heights　　 　　　　 C. styles　　 D. sizes

8.A. look for　　　　 B. look after　　 　　 C. look out D. look at

9.A. die　　　　 　　　　 B. hurt　　 　　　　　 C. waste　　 D. throw

10.A. On　　　　　　　　 B. In　 　　　　　　　　 C. For D. At

八年级英语完形填空简单题查看答案及解析

任务型阅读． (每空一词)

Trees are one of the oldest citizens(公民) of our earth. Just like US, trees change a lot when they grow. At one to three years old, young trees learn how to protect themselves. For example, many trees grow thorns(刺) to tell 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 fast and become strong enough to face challenges(挑战) in life. At the age of 15, trees become young adults(成年). They grow more slowly and begin to produce flowers and fruit. It is not until the trees are 20 to 25 years old that they become real adults. The trees reach their largest sizes. Adults trees give US many things such as oxygen(氧气) and natural beauty. If we give them good care, they will go on to live healthily for many years. As time goes on, trees begin to grow older and older and even die. At this time, they still have their important place in nature(大自然). In many ways, the life of trees is like our own life experience. Enjoy every minute of the life of the trees and take care of them!

八年级英语其他题中等难度题查看答案及解析

任务型阅读（每空一词）

Trees are one of the oldest citizens (公民) of our earth．Just like us, trees change a lot when they grow．At one to three years old, young trees learn how to protect themselves. For example，many trees grow thorns (刺) to tell 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 fast and become strong enough to face challenges　　　 (挑战) in life．At the age of l5, trees become young adults(成人). They grow more slowly and begin to produce (生产) flowers and fruit．

It is not until the trees are 20 to 25 years old that they become real adults. The trees reach their largest sizes．Adult trees give us many things such as oxygen(氧气)and natural beauty．If we give them good care，they will go on to live healthily for many years．

As time goes on，trees begin to grow older and older and even die．At this time，they still have their important place in nature．In many ways，the life of trees is like our own life experience. Enjoy every minute of the life of the trees and take care of them!

八年级英语填空困难题查看答案及解析

Trees are _______ biggest and oldest living things on the earth.

A.a B.an C.the D./

八年级英语单选题中等难度题查看答案及解析

Our earth has a long history of about 4,600 million years.　 Man only lived on the earth for 3,500 years. But we' ve already changed our earth a lot.　 Some of the changes are good while some are ①_for the earth.

In the past hundreds of years, people have cut down too many trees.　 So more beautiful animals and plants②____out. Cars and buses have polluted the air. Factories have also polluted the land and the water.

Many forests and farms became deserts（沙漠）.The earth gets warmer and warmer. Because the surface of ocean（海平面）is rising, in the future some big cities will fall into the sea water.　 How terrible it is! The problems are more and more serious.　 So we must do something to stop people from polluting our earth.

任务一：请根据短文内容，分别写出①、②两处所缺单词。

1.①　 ②

任务二：根据意思，用短文中恰当的单词补全句子。

2.　 (l)It's known that China is a great country with a long____ ．

(2) Could you be more____ this time? The competition is important to us.

任务三：请把上文中画线的句子翻译成汉语。

3.____

任务四：请根据短文内容回答下列问题。

4. What does the underlined word "rising" mean in Chinese?

5.What polluted the air?

八年级英语任务型阅读中等难度题查看答案及解析

The White House is a beautiful building _______ a big garden and many trees.

A. has　　 B. have　　 C. on　　 D. with

八年级英语单项填空中等难度题查看答案及解析

Our Earth will be ________ if we go on cutting down millions of trees every year.

A. in great danger        B. danger             C. dangerously D. out of danger

八年级英语单项填空中等难度题查看答案及解析

In a few years, there ________ hundreds of trees on the mountain.

A. will have　 B. will be C. are there D. be have

八年级英语单项填空中等难度题查看答案及解析

1--Would you like ______ the History Museum with us tomorrow?

--I’m afraid I won’t. I have been there twice.

A. visited          B. visit            C. visiting     D. to visit

八年级英语单项填空简单题查看答案及解析