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    Seeing may be believing，but hearing a sound first may help your sense of sight，according to results of a new study.
    Researchers at the University of California of San Diego report that people were more accurate at noticing a flash of light when a sound was produced at the same place immediately before the light flashed.
    “We used a loud sound to catch our participants’（受试者）attention” one of the study’s authors, Dr McDonald， said in an article.  During some experiments， the sound occurred at the same location as the flash of light，while at other times it was produced on the opposite side of participants’ field of sight. The 33 participants in the study were more accurate at noticing the flash of light when the sound occurred on the same side，suggesting that sound can help direct visual（视觉的）attention.
    According to McDonald， his research team plans to continue studying the relationship between sight and sound. It will be interesting to see， he said，what happens to the ability to pay attention when one of the sense does not work as well as it should，as in a person who is blind of has hearing problems.
    McDonald also noted that research into the relationship between sight and sound could affect the way we 1ook at peop1e with attention disorder. Traditionally，these people together are considered to have attention prob1em，but in some people the problem may be caused by hearing or sight deficits（缺陷）.
    “ It could be possible that they cou1d have a deficit in one sense or another，or in relating sight and sound together，” McDonald said. Research into this area may lead to better treatment for people who have a hard time paying attention. It may be a good idea to take into consideration the relationship between sound and sight when designing warning signals，such as for an airplane pilot.
    小题1: By saying “ Seeing may be believing” ，the writer is suggesting that          .
    A．there is a relationship between hearing and seeing
    B．the saying has some influence on their research
    C．you should read the research findings in this article
    D．you should visit the laboratory in person
    小题2: One question the research team wants to study is how           .
    A．to deal with people’s hearing problems
    B．to improve pilots’ attention during flight
    C．people with hearing or sight deficits can improve their attention
    D．hearing or sight deficits affect people’s ability to pay attention
    小题3:McDonald believes that the study of the relationship between sight and sound will        .
    A．have practical values for medical doctors and pilots
    B．help change the well-being of medical doctors
    C．prevent people from having hearing or sight problem
    D．help to improve people’s eyesight
    小题4: Which is the best title for the passage？
    A. A cure for people with hearing problems.     B. The study of people’s attention.
    C Sound helps to improves people’s attention.   D. Sound helps to notice the flash of light.

    小题1:A
    小题2:D
    小题3:A
    小题4:C

    小题1:考查学生对第一段的理解，关键要注意may以及but之后才是作者强调的重点。
    小题2:细节题。能在第五段，第六段中找到。
    小题3:此题考查学生对细节的理解和归纳能力，最后一段要能看出研究的作用。
    两方面： medical treatment和pilot。
    小题4:此题考查学生对贯穿整篇文章的中心思想的理解能力。
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    B  the relationship between the human presence and magafaunal extinction.
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