There’s one language that is used in every country in the world. It’s everyone’s second language. It’s easy to be understood, although you can’t hear it. It’s sign language.

When you wave to a friend who is crossing the street, you’re using sign language. When you raise your hand in class, you’re saying, “I think I know the correct answer.”

Babies can point at things. They’re using sign language. A policeman who wants to stop the traffic holds up his hand. He’s using sign language, too.

Sign language is a bridge between the deaf and non-disabled people. They use the movement of the hand, arms or body to express a speaker’s thoughts.

Today, in many countries, there are special TV news programs for deaf people. The news reporter tells the news in sign language. At the same time, the words appear on the TV screen. The actors in the theater for the deaf often use their hands to show what they want to say. They can make a roof with their hands over their heads when they want to show “house”. One finger over a person’s mouth can mean “quiet”. You can talk to people behind closed windows. And when you go swimming with your friends, you can have a talk under water with sign language.

1.. This passage mainly talks about __________.

A. sign language B. Chinese culture

C. a foreign language D. bodies

2. When one raises his hand in class, that means ___________.

A. He doesn’t know the correct answer

B. he wants other students’ help

C. he is very nervous

D. he may know the correct answer

3. If a policeman wants to stop the traffic, he often __________.

A. puts his hands over the head

B. smiles to the drivers

C. holds up his hand

D. shakes his hand

4. If an actor in the theater for the deaf wants to show “house”, he often ________.

A. puts his finger over his mouth

B. makes a roof over his head with his hands

C. stands with his arms crossed

D. sits down and smiles

5. How will you talk to your friends behind closed windows or under water?

A. We can speak loudly.

B. We can use phones.

C. We can use the movement of our mouths.

D. We can use sign language.

When does music in public places become noise pollution?

You may like at least some kind of music. But the problem is that, in lots of places, you’re made to hear somebody else’s choice in music. Say you’ve just landed at an airport. At the airport, the “background” (背景)music may be played loudly.

When you are on the way to your hotel, there may be another kind of music played by the taxi driver. Then you finally reach your hotel. But when you are taking the elevator(电梯),there is elevator music.

You go out to dinner and end up in a place where the owner of the restaurant thinks music will help make you eat more and spend more. Then a person playing the violin comes around. This is called the “music wallpaper”. It is to make you buy more and eat a lot. Even the government thinks this is “noise pollution,” especially when the music is too loud.

Noise pollution may be bad for our hearing. It’s also bad for some of our daily activities, such as sleeping, conversations and so on.

The fact that you can’t see, taste or smell it may help explain why it has not received as much attention as other kinds of pollution, such as air pollution or water pollution. The air around us is always filled with sounds, but most of us would not think we are surrounded(包围) by noise. This can be bad for our health. So many people like soft and quiet music in their house.

1. In the restaurant, the music is to make you _____________.

A. have a nice meal

B. eat more food and spend more money

C. enjoy some wonderful music

D. have a great time in the restaurant

2.This passage doesn’t talk about ___________.

A. food pollution B. water pollution

C. air pollution D. noise pollution

3. Music in public places becomes noise pollution because __________.

A. it’s played at the airport

B. it’s played by the taxi driver

C. it’s played when you are taking the elevator

D. you are made to hear someone else’s choice in music

4.From the passage we know that ___________.

A. music that is too loud is bad for our health

B. people pay as much attention to noise pollution as they do to air pollution

C. people like loud music in their house

D. most people think that there’s lots of noise around us

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