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　　When you speak, write a letter or make a telephone call, your words carry a message. People communicate with words. But do you think you can communicate without words? A smile on your face shows you are happy or friendly. Tears in your eyes tell others that you are sad. When you raise your hand in class, the teacher knows you want to say something or ask questions. You shake your head, and people know you are saying “No”. You nod and people know you ale saying “Yes”. Other things can also carry messages. For example, a sign on the bus helps you to know which bus to take. A sign on the door tells you where to go in or out. Have you ever noticed that there are a lot of signs around you and you receive messages from them all the time?

　　People can communicate in many other ways.

　　An artist can use his drawing to tell about beautiful mountains, about the blue sea and many other things. Books are written to tell about all the wonderful things in the world and also about people and their ideas.

　　Books, magazines, TVs, radios and films all help us communicate with others. They all help us to know what is going on in the world and what other people are thinking about.

1．People communicate ________ .

[　　]

A．with words only

B．in many different ways

C．in letters and with drawings

D．with smiles, tears and hands

2．Signs can carry as much ________ as words.

[　　]

A．questions

B．examples

C．tears and smiles

D．information

3．Which of the following is not mentioned in the passage as things which help us communicate? ________ .

[　　]

A．Books and magazines

B．TV and films

C．Newspapers

D．Radios

4．Communication is important because it can help people to ________ .

[　　]

A．understand the world and other people better

B．teach each other to speak, write, read and draw

C．know what other people are thinking about

D．learn what's happening in the world more quickly

5．The best title for this short passage is ________ .

[　　]

A．Signs Carry Messages

B．The Importance of Communication

C．Words, Signs and Drawings

D．Ways of Communication

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科目：高中英語(yǔ) 來(lái)源：設(shè)計(jì)必修一英語(yǔ)北師版 北師版 題型：050

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How Long Can People Live?

　　She took up skating at age 85, made her first movie appearance at age 114, and held a concert in the neighborhood on her 121st birthday．

　　Whe n it comes to long life, Jeanne Calment is the world’s recordholder．She lived to the ripe old age of 122．So is 122 the upper limit to the human life span(壽命)?If scientists come up with some sort of pill or diet that would slow aging, could we possibly make it to 150－or beyond?

　　Researchers don’t entirely agree on the answers．“Calment lived to 122, so it wouldn’t surprise me if someone alive today reaches 130 or 135,”says Jerry Shay at the University of Texas．

　　Steve Austad at the University of Texas agrees．“People can live much longer than we think,”he says．“Experts used to say that humans couldn’t live past 110．When Calment blew past that age, they raised the number to 120．So why can’t we go higher?”

　　The trouble with guessing how old people can live to be is that it’s all just guessing．“Anyone can make up a number,”says Rich Miller at the University of Michigan．“Usually the scientist who picks the highest number gets his name in Time magazine．”

　　Won’t new anti-aging techniques keep us alive for centuries?Any cure, says Miller, for aging would probably keep most of us kicking until about 120．Researchers are working on treatments that lengthen the life span of mice by 50 percent at most．So, if the average human life span is about 80 years, says Miller,“adding another 50 percent would get you to 120．”

　　So what can we conclude from this little disagreement among the researchers?That life span is flexible(有彈性的)，but there is a limit, says George Martin of the University of Washington．“We can get flies to live 50 percent longer,”he says．“But a fly’s never going to live 150 years．”

　　“Of course, if you became a new species(物種)，one that ages at a slower speed, that would be a different story,”he adds．

　　Does Martin really believe that humans could evolve(進(jìn)化)their way to longer life?“It’s pretty cool to think about it,”he says with a smile．

(1)

What does the story of Jeanne Calment prove to us?

[　　]

A．

People can live to 122．

B．

Old people are creative．

C．

Women are sporty at 85．

D．

Women live longer than men．

(2)

According to Steve Austad at the University of Texas, ________．

[　　]

A．

the average human life span could be 110

B．

scientists cannot find ways to slow aging

C．

few people can expect to live to over 150

D．

researchers are not sure how long people can live

(3)

Who would agree that a scientist will become famous if he makes the wildest guess at longevity?

[　　]

A．

Jerry Shay．

B．

Steve Austad

C．

Rich Miller

D．

George Martin

(4)

What can we infer from the last three paragraphs?

[　　]

A．

Most of us could be good at sports even at 120．

B．

The average human life span cannot be doubled．

C．

Scientists believe mice are aging at a slower speed than before．

D．

New techniques could be used to change flies into a new species．

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