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Maybe most people know that there is water pollution, air pollution and noise pollution around us, but few people know that there is another kind of pollution—light pollution. In fact, it can be everywhere, depending on the time of the day.
Light pollution is the result of the wasted energy. Instead of providing light for people on the earth, most bright light shines into the sky, because people don’t design lights very well. At the same time, lights are brighter than necessary. All these cause light pollution. Stars in the night sky always provide everyone with wonderful sights(景色), but light pollution prevents them from being seen.
Some scientists say that light pollution can also bring some health problems to people, especially to kids. So it’s the high time for us to do something useful to stop light pollution.
根据短文内容,判断下列句子的正(T)误(F)。
Light pollution isn’t serious enough for us to stop it now.
All the people know light pollution well today.
Most light shines into the sky instead of providing light for people.
People in big cities can’t see stars clearly in the night sky.
Light pollution doesn’t do harm to people’s health.

科目 英语   题型 阅读理解   难度 较易
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相关试题

Four men who would become fathers were in a hospital waiting room while their wives were going to give birth to their babies. The nurse arrived and proudly said to the first man, “Congratulations, sir. You’re the father of twins!”
“What a surprise! Believe it or not! I work for the Minnesota Twins Baseball teams!”
Later the nurse returned and congratulated the second father on the birth of his triplets (三胞胎).
“Wow! That’s unbelievable! I work for the 3M Company.”
An hour later, the nurse returned to congratulate the third man on the birth of his quadruplets (四胞胎). Surprised, he only could answer, “I don’t believe it! I work for the Four Seasons Hotel!”
  After this, everyone turned to the fourth man who had just fallen down. The nurse ran fast to his side. As he slowly came to himself, they could hear him speak in a very low voice over and over, “I should never have taken that job at 7-Eleven. I should never have taken that job at 7-Eleven. I should never have taken that job at 7-Eleven.”
Why were the fathers there?

A.They were waiting for their wives.
B.They were seeing doctors.
C.They were waiting for their babies to be born.
D.They were working at men nurses there.

Which of the following is true about the third man?

A.He thought the nurse made a mistake.
B.He was very surprised at the nurse’s words.
C.He didn’t want to have these babies.
D.He should never have worked at 7-Eleven.

Why did the fourth man fall down after hearing the nurse’s words?

A.He was afraid of having so many babies.
B.He was seriously ill.
C.He was too excited.
D.He was very glad to have 7 babies.

At least how many babies would be born according to the story?

A.9. B.10. C.11. D.16.

In 1826, a Frenchman named Niepce needed pictures for his business .But he was not a good artist .So he invented a very simple camera. He put it in a window of his house and took a picture of his garden .That was the first photo.
The next important date in the history of photography was in 1837. That year, Daguerre, another Frenchman, took a picture of his reading room .He used a new kind of camera in a different way. In his picture you could see everything very clearly, even the smallest thing. This kind of photo was called a Daguerreotype.
Soon, other people began to use Daguerre’s way. Travelers brought back wonderful photos from all around the world .people took picture of famous buildings, cities and mountains.
In about 1840, photography was improved .Then photographers could take pictures of people and moving things .That was not simple .The photographers had to carry a lot of films and other machines. But this did not stop them, for example, some in the United States worked so hard.
Mathew Brady was a famous American photographer. He took many pictures of great people .The pictures were unusual because they were very lifelike.
Photographers also became one kind of art by the end of the 19th century. Some photos were not just copies of the real world .They showed feelings like other kinds of art.
The first photo taken by Niepce was a picture of ________

A.his business B.his house C.his garden D.his window

The Daguerreotype was_______.

A.a Frenchman B.a kind of picture
C.a kind of camera D.a photographer

If a photographer wanted to take pictures of moving things in the year of 1840, he had to_____.

A.watch lots of films
B.buy an expensive camera
C.stop in most cities
D.take many films and something else.

This passage tells us_____________.

A.how photography was developed
B.how to show feelings in pictures
C.how to take pictures in the world
D.how to use different cameras

阅读下列内容,从每小题所给的四个选项中选出一个最佳答案。


The people inneedn’t go to work on Fridays.

A.Canada B.Scotland C.Japan D.Egypt

If it is 8:00 a.m. in western Canada, the time is _______ in eastern Canada.

A.11:00a.m B.2:00 p.m. C.12:30 p.m. D.4:00 a.m.

While Canadian children are waking up, children in Scotland are ________.

A.having lessons B.sleeping C.watching TV D.playing games

Everyone likes living in a clean and comfortable environment. If the envionment(环境) is bad, it will affect(影响)our bodies, and make us not feel well. Sometimes we may be terribly ill. At that time we don’t want to work, and we have to stay in bed and rest at home. So the envrionment is very important to us.
It’s germ that makes us ill. There are germs everywhere, They are very small and you can’t find them with your own eyes, but you can see them with a microscope(显微镜). They are very small and there may be hundreds of them on a very small thing, Germs can always be found in the dirty water. When we look at dirty water under the microscope, we shall see them in it. Germs can also be found in air and dust(灰尘). If you cut your finger, some of the dust from the floor may go into it, and you will have much pain in it. Sometimes the germs will go into all of your boby, and you will have pain everywhere.
To keep us healthy, we should try to our best to make our environment become cleaner and tidier. This needs us to act together.
The writer tell us that________.

A.we like working when we are ill
B.germs can’t live in the water.
C.we can’t feel ill if the environment is bad.
D.we feel well when the environment is good.

Germs are________.

A.very small things that you can’t see with your eyes.
B.the things that don’t effect people.
C.the things that you can find with your eyes.
D.the things that are very big.

Where can germs be found? They can be found_________.

A.on the small thing B.in air and dust
C.only in dirty water D.everywhere

How will you feel if germs go into the finger that is cut?

A.I will feel nothing. B.I won’t mind.
C.I will feel tense. D.I will feel painful.

From the passage we know that________

A.environment doesn’t affect our life.
B.we don’t need to improve our environment.
C.germs may make us ill.
D.if the environment is better, germs will be more.

Once upon a time, there lived a rich man. He had a servant (仆人). He and the servant loved wine and good food very much. Each time the rich man left his home, the servant would drink the wine and eat up all the nice food in the house. The rich man knew what his servant did, but he had never caught his servant doing that.
One morning, when he left home, he said to the servant, “Here are two bottles of poison (毒药) and some nice food in the house. You must take good care of them.” With these words, he went out.
But the servant knew that the rich man had said was untrue. After the rich man was away from his home, he enjoyed a nice meal. Because he drank too much, he was drunk and fell to the ground. When the rich man came back, he couldn’t find his food and his wine. He became very angry. He woke the servant up. But the servant told his story very well. He said a cat had eaten up everything. He was afraid to be punished(惩罚), so he drank the poison to kill himself.
In the story, _______ liked wine and good food very much.

A.the rich man B.the servant C.both A and B D.neither A and B

The rich man knew that it was _______ that drank the wine and ate up all the nice food.

A.the cat B.himself C.nobody D.the servant

The rich told the servant that there was poison in the two bottles, because ________.

A.there was in fact poison in the bottles
B.he did not want the servant to drink his wine
C.he wanted to kill the cat
D.he wanted to kill the servant

In fact, _______ ate all the nice food and drank the wine.

A.the servant    B.cat    C.the rich man   D.nobody

From the story, we know that the servant is very _______.

A.lazy    B.bad C.clever    D.kind

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