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  When several different people look at the same person, it is not unusual for each of them to see different things; when you alone observe one behavior or one person at two different times, you may see different things. The following are but some of the factors that lead to these varying perceptions (感知,认知):

  

  1) Each person's perceptions of others are formed by his or her own cultural conditioning, education, and personal experiences.

  

  2) Sometimes perceptions differ because of what we choose to observe and how we deal with what we've observed. It is not necessarily true that person perception is based on observations of a particular person. Your observations may be totally controlled by what others have told you about this person; or you may focus (聚焦) primarily on the situation or role relationship. Most people do not use the same yardstick (标准) to measure their parents, their friends, and strangers.

  

  3) Sometimes we see only what we want to see or don't see what may be obvious to others because of our own needs, desires, or temporary emotional states. This is a process known as selective perception. Selective perception is obviously more difficult when contradictory (矛盾的) information is particularly obvious, but it can be done. We can ignore (忽视) the stimulus——“He's basically a good boy so that I was not shoplifting.” We can reduce the importance of the contradictory information——“All kids (孩子) get into mischief (顽皮). Taking a look from the bookstore isn't such a big deal.” We can change the meaning of the contradictory information——“It wasn't shoplifting because he was going to pay for it later.”……

  

(1)The first factor given by the author that affects our perception is ________.

[  ]

A.the abilities of one's auditory (听) and visual (视) sensors

B.cultural background and personal experiences

C.experiences one learns from others

D.critical measures taken by other people

(2)While observing a particular person ________.

[  ]

A.one is likely to take all aspects (方便) into consideration

B.one pays more attention to his/her advantages

C.children often differ from grown-ups in perception

D.one tends to choose certain cues (提示) to look for

(3)Observation of the same person by two people at the same time may differ because ________.

[  ]

A.their measuring yardsticks are not the same

B.either of them may be slow to catch information

C.the time for observation is not long enough

D.each of them uses different language to express his/her impressions

(4)The word “stimulus” in paragraph 4 refers to ________.

[  ]

A.something attractive
B.selective perception
C.contradictory information
D.shoplifting

(5)The worst thing in selective perception is that ________.

[  ]

A.perceived information runs against your desire

B.facts can be totally ignored or distorted (扭曲)

C.importance of the contradictory information can be overrated (估计过高)

D.the same information may not be dealt with in the same way

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科目:高中英语 来源:设计必修一英语北师版 北师版 题型: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(寿命)?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(有弹性的),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(物种),one that ages at a slower speed, that would be a different story,”he adds.

  Does Martin really believe that humans could evolve(进化)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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