根据短文内容选择正确答案。B Ladies and gentlemen, I returned to this year in a time machine. In the year 2500, we...

题型：阅读选择题类：常考题难易度：普通

牛津译林版英语八年级上册Unit 7 Seasons 单元测试

根据短文内容选择正确答案。

Ladies and gentlemen, I returned to this year in a time machine. In the year 2500, we are able to travel through time to any year in the history of the earth. This year is your last chance to change your lifestyle to save the earth.

Beginning in the middle of the 20th century, a few people were worried about polluting the earth's water and air, but most people did not change their way of life. Instead, they continued to pour(倒) dangerous chemicals and other waste into lakes and seas, to drive more and more cars and trucks, and to cut down trees.

By the year 2200, the earth's water was completely polluted. Scientists said that in the future there might be too many people on the earth. People could no longer drink water, and they had to use other types of liquids(液体).

So, by the year 2300, there were so many people that food became scarce. There was no water to grow food and all of the fish in the lakes and seas died because of pollution Terrier wars(战争) broke out between the rich and the poor. Scientists were working very hard to find another planet in space where humans could live on.

By the year 2400, the air was too polluted for humans to breathe. So we had to leave earth but only the rich were able to leave. Where did we go? Nowhere. And everywhere. You see scientists did not find another safe planet, so now we must travel around the universe in our space ships. We are still looking for a place to call our home.

So, it is up to you to change history. There is still hope. You must change your lifestyle now, before it is too late.

（1）、Which problem is not talked about in Paragraph 2?

A、Water. B、Air. C、Lifestyle. D、Food

（2）、What's the meaning of 'scarce' in Paragraph 4 in Chinese?

A、昂贵的 B、充足的 C、缺乏的 D、特殊的

（3）、Which of the following is TRUE?

A、Only a few people changed their lifestyle in the 20th century. B、There wasn't enough water for people to drink by the year 2200. C、All the animals died because of pollution by the year 2300. D、We found a new home in another planet by the year 2400.

举一反三

In the sea there are many islands. In its warm waters there are some little ones. We call them coral(珊瑚) islands.
A coral island is very nice to look at. It looks like a ring of land with trees, grass, and flowers on it. One part of the ring is open to the water. There is a little round lake inside the island.
If you look into this lake, you will see beautiful coral. You may think they are flowers.
If you look at a piece of coral, you will see many little holes in it. In each of these holes a very small sea animal has lived. These sea animals make the coral.
They began to build under the water. Year after year, the coral grew higher and higher. At last it grew out of the water.
Then the sea brought to it small trees and something else. After some years, these things changed into earth. Sometimes the wind brought seeds to this earth. Sometimes birds flew over it and brought seeds to the island. The little seeds grew. In a few years there were plants all over the island. In a few more years there were trees growing there.
So you see, these islands were built little by little. The workers were very small. Don't they teach us a lesson? Can you think what the lesson is?

   If babies are given more love and feelings by their mothers, they will deal better with stress and anxiety when they grow up , research has shown.
   The study of eight-month-old children shows even the very earliest life experiences can influence our happiness.
   Lots of mother love makes children form a safe bond with their mothers , so they are able to feel safe in relationships when they grow up ,and they will have better social skills and deal with life's difficulties．
   The researchers, led by Dr．Joanna Maselko of Duke University in North Carolina, studied the relationships of 482 eight—month - old babies with their mothers during daily development.
   They studied how well the mother had dealt with her child's developmental text and how she had responded child's performance．Mental health was then assessed when the babies had grown up – at the average of 34.
   The more feelings and attention a mother gave to her child, the better her child would be. This kind of child had the lowest levels of anxiety, hostility and general difficulties.

阅读B篇短文，从各题所给的A、B、C、D四个选项中，选出最佳选项。

All over the world in the twenty-first century, people can get new energy in many ways.

Energy from the wind. People use the power of the wind．It is a clean source(来源) of energy, and there is lots of it. However, if the wind does not blow, there is no wind energy.

Energy from the water. When water moves from a high place to a lower place, it has the power to make electricity. Waterpower produces enough energy for 40, 000 people in a town. Waterpower gives energy without pollution. However, people have to build dams(大坝) to use this energy, and building dams is very expensive.

Energy from the earth. There is heat in the rocks under the earth. Scientists use the heat to make geothermal(地热的) energy. San Francisco gets half of the energy from geothermal power. This kind of energy is cheap, but it is only possible in a few places in the world.

Energy from the sun. Solar panels(太阳能电池板) on the roofs of houses and buildings can turn energy from the sun into electricity. These panels can create enough energy to heat the whole house during winter. Solar power is clean and plentiful(丰富的), but when the weather is bad, it can't produce power．

阅读理解
    When someone says extinct(灭绝的) animals, you may think about dinosaurs(恐龙). But now many other animals are becoming less and less in number. These animals might disappear from the earth very soon. Take a look at the following animals. They are all in danger.
    The African Elephant
    The African elephant is a clever animal. It has a very good memory. But people kill it for its tusks(长牙). Half of the African elephants have disappeared.
    The African Lion
    The African lions have nowhere to live because of wars in Southern Africa. Besides, hunters and farmers often kill them.
    The Tortoise
    George is a tortoise. It is the last Pinta Island(平塔岛) giant tortoise. It was found in 1971. Now it lives in a research station. It can still live for another 200 years. But it is the last one of this species(物种) of tortoise.
    The Tadpole Shrimp(蝌蚪虾)
    Maybe you've never seen a tadpole shrimp. This is one of the oldest species on the earth. People have found them in fresh water pools on four continents(州). A tadpole shrimp can only live for two months or less.

阅读理解

There are all kinds of animals on our planet. Some are sweet, but some are not; some are small, and some are tall. Here are four pictures of some of the funniest, friendliest faces. But remember, although they look nice, it doesn't mean they are always friendly.

Not all dogs are so cute, but most of them are pretty friendly. When you come near an unfamiliar(不熟悉的) dog, remember to hold out your hand, so he can smell you and see that you mean no harm.

Cows love to eat grass, and they eat quite a lot! You needn't be afraid of this quiet farm animal. But don't run at a cow in a field or touch one, unless you are told by an adult it's okay.

Horses are big, beautiful animals, but they can be easily angry. A horse might jump up if she hears a loud noise, or kick her legs if you come near too suddenly. All horses, like humans, are different.

Chimpanzees(黑猩猩) make funny faces and put on a real show at the zoo, but believe it or not, they can be very dangerous. And they are strong too--much stronger than humans--so you should never make a chimp mad!

阅读理解

How to make ice-cream in a bag

What you need:

I spoon of sugar, 1/2 cup of "half and half" (牛奶和奶油的混合物)，1/4 spoon of vanilla extract(香草精), d add 1 spoon of sugar, 1/2 cup of "half and half" and 1/4 spoon of vanilla extract to the small bag.

Next, add three glasses of ice 10 the big bag. You can add more or less just to make sure that the small bag will be covered by ice.

Then, pour about 1/2 cup of salt into the big bag. The salt helps the ice get cold so you can add more if necessary.

When it's ready, place the small bag in the big bag and seal tightly(系紧). You need to shake the bag for about five minutes.

Finally, take the small bag out. Be careful not to open it. Wipe off(擦去) any salt on the bag. Now open the bag. You can enjoy your ice cream. You can finish all of the work in less than ten minutes.

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