There are _____ living things on the earth， w...

There are _____　 living things on the earth， we must care for our home --- the earth.

A. million　 　 B. millions　 　 C. million of　　 D. millions of

九年级英语单项填空中等难度题查看答案及解析

There are______ living things on the earth. We must value our home—the earth.

A. millions　　　 B. million of　　　 C. millions of

九年级英语单项填空中等难度题查看答案及解析

There are______ living things on the earth. We must value our home—the earth.

A. millions

B. million of

C. millions of

九年级英语单项填空简单题查看答案及解析

The earth is changing. Tomorrow it will be different. All the living things on the earth are changing. Even people are changing, and tomorrow you will be different.

There are many kinds of change , and many different things that cause change. People need to realize the changes, to learn to see them, and to learn what causes change.

Human beings must solve many problems so that they can continue to live successfully. War is one of these problems. Disease and natural disaster are problems. Having enough food and energy for the growing number to people in the world is a problem. Most problems can be solved, but some are impossible to solve. The way in which people solve problems affects how long and how well they can live.

As people solve their problems, they change things, and changes often cause new problems for people and for their living things on the earth. Sometimes the new problems seem even worse than the old ones. Human beings will probably never stop having problems to solve. Can you use your imagination to describe a world that has no problems at all?

1.The reason why everything is changing as that _________.

A. people want them to be changing　

B. there are many different things that cause them to change

C. the living things are changing.　　　　　

D the world is too small

2.People need to solve problems because _____.

A. there will be more and more new problems if they don’t solve the old ones

B. The problems are difficult to solve　　

C. they have to go on living　

D. there are so many things that are changing .

3.New problems appear________.

A. because old problems aren’t solved　　

B. because people don’t solve them

C. because some people are foolish .　　

D when people are solving old ones

4.Which of the following is wrong according to the passage?

A. Disaster and war are two of the problems people have to solve.

B. People need to solve all the problems at the same time.

C. The way people solve problems has much to do with their life.

D. People can’t solve all the problems at one time.

5.The underlined word “disaster” in the passage probably means “_____” in Chinese.

A. 灾难　　　　　　 B. 资源　　　　 C. 条件　　　　　　　 D.环境

九年级英语阅读理解中等难度题查看答案及解析

The earth is changing. Tomorrow it will be different. All the living things on the earth are changing. Even people are changing, and tomorrow you will be different.

There are many kinds of change, and many different things than cause change. People need to realize the changes, to learn to see them, and to learn what causes change.

Human beings must solve many problems so that they can continue to live successfully. War is one of these problems. Disease and natural disaster are problems. Having enough food and energy for the growing number of people in the world is a problem. Most problems can be solved, but some are impossible to solve. The way in which people solve problems affects how long and how well they can live.

As people solve their problems, they change things, and changes often cause new problems for people and for other living things on the earth. Sometimes the new problems seem even worse than the old ones. Human beings will probably never stop having problems to solve. Can you use your imagination to describe a world that has no problems at all ?

1.The reason why everything is changing is that______.

A. people want them to be changing　

B. there’re many different things that cause them to change

C. the living things are changing

D. the world is too small

2.People need to solve problems because______.

A. there will be more and more new problems if they don’t solve the old ones.

B. the problems are difficult to solve

C. they have to go on living

D. there are so many things that are changing

3.New problems appear ______.

A. because old problems aren’t solved.　　　　 B. because people don’t solve them

C. because some people are foolish　　　　　　 D. when people are solving old ones

4.Which of the following if wrong according to the passage ?

A. Disaster and war are two of the problems people have to solve.

B. People need to solve all the problems at the same time.

C. The way people solve problems has much to do with their life.

D. People can’t solve all the problem at one time.

5.The underlined word “disaster” in the passage probably means “______” in Chinese.

A.灾难　　　　　　　　 B.资源　　　　　　　　　 C.条件　　　　　　　　 D.环境

九年级英语阅读理解中等难度题查看答案及解析

Wild animals are important to us. They live 1. with us on the earth. If there are no animals on the earth, we will not live on, 2.. So we should take good care of them to help the earth live a 3. life.

But some people still don’t realize the importance of protecting them. They kill wild animals for food and 4.. Every day many wild animals are being killed. So far, lots of wild animals　 5.. If this goes on, there will be no animals 6. on the earth.

7., many people have begun to realize the importance of protecting wild animals. They ask others to stop 8. wild animals. Now many countries have made some laws to protect wild animals and to stop people from killing them.

Protecting wild animals is the duty of each of us. We should do our 9. to protect them because protecting them is protecting 10. too.

九年级英语选词填空困难题查看答案及解析

Today there are 7 billion people on the earth．By the year 2050 there may be 9.0 billion．We will have a lot more people to feed．We need more food．

One way to produce more food is by growing stronger plants．For thousands of years，farmers have made plants better．Every season，they pick the best plants for the next season．It works very slowly．Since1983 scientists have been able to change plants more quickly by changing their genetic(遗传的) material. Foods from plants grown in this way are called genetically modified foods(转基因食品)，or GM foods.

By changing the genetic material of a plant，it is possible to make new plants. They make plants which are strong against plant diseases. They can also help in our diseases：a kind of rice is being prepared，for example，which stops people from becoming blind．Rich countries produce GM foods because they are easy to grow and they bring in more money．Poor countries are interested in them because they help produce more food．

GM plants are not natural．No one knows how good or bad they are．Making GM foods is only one way of feeding people in 2050．But there are strong feelings against them，because they are unnatural. They may feed people，then hurt them or their children later．But both rich and poor countries are very interested in their use，and they are not going to die．In 2050 we may think differently about them．

1.Who invented the GM plants?

A．Farmers．　　　　 B．Workers

C．Scientists．　　 D．Plants．

2.People plant the GM plants because　　　 .

A. they make plants strong against diseases

B．they are unnatural

C．they can help in human diseases

D．both A and C

3.What do you think of the GM plant?

A．It grows too slowly．

B．It is bad for people’s body．

C．It can greatly help the poor countries．

D．It produces less food than the general plant.

4.Why do some people dislike the GM plants?

A．The GM foods may harm the human body．

B．The GM foods have terrible taste．

C．The GM foods are bad for the adults．

D．The GM foods are not cheap．

5.From the passage we can find out__________

A．the GM plants can produce more food

B．scientists want to make more money

C．scientists find the GM plants by accident

D．scientists work on the subject for fun

九年级英语阅读理解中等难度题查看答案及解析

任务型阅读 根据短文内容，回答下列问题。

Is there life on Mars? We don’t know．We’re sure that people on the earth are not able to live on Mars．People on the earth need oxygen to breathe in．There is almost no oxygen on Mars．

Living on Mars would be like living on a very high mountain．There would be little air．The temperature might be 50 degree above zero at noon and 140 degrees below zero at night．Many people think there may be plants on Mars．We know that on Mars there is carbon．This is a kind of material found in all plants and animals on the earth．Mars looks red through a telescope(望远镜)．It seems gray in some places．At times the gray color turn gray-green，then brown，then gray again．The gray-green color may be a kind of plant changing color with the seasons．

Will men go to Mars one day? If they do，they must take their own oxygen，food and clothing with them．

根据表格内容，完成下面各题。

1.Can people live on Mars?

2.Is there any oxygen on Mars?

3.What kind of material can be found in all plants and animals on the earth?

4.Does Mars look gray through a telescope?

5.What must men take if they go to Mars?

九年级英语其他题中等难度题查看答案及解析

阅读下面短文，根据短文内容选择正确的答案

The earth is about 4,600 million years old. Modern man has lived on the earth for only 35,000 years, but during that time, we have changed our planet in many ways. Many of the things that we have done are good, but more are not good for the earth.

Water Pollution

A lot of people, birds and fish die each day because of water pollution. Factories have polluted the land and the water. As a result, many rivers and lakes are now dead.

Air Pollution

In big cities, factories, as well as cars, trucks and buses are the main causes of air pollution. Many people in cities now have serious health problems. For example, Mexico city used to be a beautiful sunny capital, but today it is always covered by thick brown clouds.

Soil Pollution

In order to have a good harvest, most of the farmers use chemicals too much in their fields. That’s bad for the soil. But this kind of pollution is difficult to stop.

Hope For The Future

These problems are very serious for our future, so all of us should do something to improve our environment. If we can stop pollution, our planet will become more and more beautiful and our health will be better. Let’s be greener people!

根据短文内容，选择正确答案。

1._____ have made the earth change a lot.

A.Human beings　　　　　　　　 B.Animals

C.Plants　　　　　　　　　　　　　 D.People in other planets

2.There are _____ kinds of pollution in this passage.

A.two　　　　　　　　 B.three　　　　　　　　 C.four　　　　　　　 D.five

3._____ is a big problem now.

A.Pollution.　　　　　　　　　　 B.Population.

C.Education　　　　　　　　　　 D.Medical treatment

4.Which sentence is NOT true according to the passage?

A.Most of the things that we have done are good for our planet.

B.We must stop the factories from pouring waste water into the rivers and lakes.

C.Because of water pollution, many rivers and lakes are now dead.

D.Water pollution is very serious nowadays.

5.Which sentence is TRUE?

A.Though Mexico city is always covered by thick brown clouds, it’s still a beautiful sunny capital.

B.Air pollution can make people sick.

C.Now fewer farmers use chemicals in the fields.

D.Factories, cars, trucks and buses are the main causes of soil pollution.

九年级英语阅读理解中等难度题查看答案及解析

There are no __________ things on the moon.

A. living　　 B. alive　　 C. any　　 D. some

九年级英语单选题中等难度题查看答案及解析