根據(jù)短文內(nèi)容,判斷正(T)誤(F)。
     Stop and listen! What do you hear? You may hear many different sounds. Some of those sounds may be
noise. Noise is a loud or unwanted sound.
     Noise can be caused by many kinds of machines, such as motorcycles, jet planes (噴氣式飛機), farm
tractors, and power motors. And, to some people, rock music is also a noise.
     What happens to people who live near noisy machines or use them over a period of time? Doctors have
found that these people have trouble in sleeping. And most importantly, constant (連續(xù)的) loud noise can cause
loss of hearing.
     Scientists use a unit of measure called a decibel (分貝) to measure the loudness of a sound. The sound of a
quiet room, for example, measures 35 decibels. Talking measures between 40 and 65 decibels. Sounds from
traffic and from some rock bands measure over 120 decibels. Noise at such high level causes the greatest
hearing loss.
(     ) 1. According to the passage, noise is all sounds that you can hear.
(     ) 2. A "decibel" is a machine that makes loud noise.
(     ) 3. Loud noise can help people sleep better.
(     ) 4. Not all people think that rock music is a noise.
(     ) 5. We can infer (推斷) from the passage that noise is a serious problem.
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根據(jù)短文內(nèi)容,判斷正(T)誤(F)。
【小題1】People moved from place to place to hunt animals.
【小題2】The story says,“No one knows how or when these people learned about growing food. But when they did, their lives changed.” In this sentence, the word “they” means people.
【小題3】 When machines appeared, life in the cities changed again.
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根據(jù)短文內(nèi)容,判斷正(T)誤(F)。

Do you live in a city? Do you know how cities began? Long long ago, the world had only a few thousand people. These people moved from one place to another. They moved over the land, hunting animals for food.

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1.People moved from place to place to hunt animals.

2.The story says,“No one knows how or when these people learned about growing food. But when they did, their life changed.” In this sentence, the word “they” means people.

3.When machines appeared, life in the villages changed again.

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根據(jù)短文內(nèi)容,判斷正(T)誤(F)。

Do you live in a city? Do you know how cities began? Long long ago, the world had only a few thousand people. These people moved from one place to another. They moved over the land, hunting animals for food.

No one knows how or when these people learned about growing food. But when they did, their life changed. They did not have to look for food any longer. They could stay in one place and grow it.

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When machines appeared, life in the villages changed again. People built factories. More and more people lived near the factories. The cities began.

Today, it’s strange that some people are moving back to small villages. Can you tell me why?

1.People moved from place to place to hunt animals.

2.The story says,“No one knows how or when these people learned about growing food. But when they did, their life changed.” In this sentence, the word “they” means people.

3.When machines appeared, life in the cities changed again.

4.All people like to live only in big cities.

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