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doing themselves any
long—term harm。
    “Individuals who now average 6．5 hours of sleep a night Can be reassured that this is a safe
amount of sleep．From a health standpoint。there is no reason to sleep longer,” said Daniel
Kripke ，a professor of psychiatry(精神病学)at the University of California，San Diego．
    Dr．Kripke said．“We don’t know if long sleep periods lead to death．Additional studies are
needed to determine if setting your alarm clock earlier will actually improve your health．”
    The scientists．who were funded by the American Cancer Society，found也at the best
survival rates were among the men and women who slept for seven hours a night．Those who
slept for eight hours were 12 per cent more likely to die during t11e six—year period of the study,
when other factors such as diet and smoking were taken into account．
    Even those who spent a mere five hours a night in bed lived longer than those who slept
eight or more hours．However, an increasing death rate was found among those who slept for
less than five hours．
    Dr．Kripke said．“Previous sleep studies have indicated that both short-and long-duration
(持续时间)sleep had higher mortality rates．However, none of those studies were large enough
to distinguish the difference between seven and eight hours a night，until flow．”
16 More than 1’1 million Americans participated in the six-year study．
  A Right    B Wrong    C Not mentioned
17 All the participants were from the state of California．
  A Right    B Wrong    C Not mentioned
18 The study shows that the longer you sleep each night，the longer you’11 live．
  A  Right    B  Wrong    C  Not mentioned
19 The findings indicate that it is all right to sleep for 6.5 hours a night．
  A Right    B Wrong    C Not mentioned
20 Most of the participants slept for 7 hours a night during the study．
  A Right    B Wrong    C Not mentioned
Sleeping for less than 5 hours each night is better than sleeping for 5 hours•
A Right    B Wrong    C Not mentioned
22 The study was the first to tell the difference between 7 and 8 hours of sleep a night•
  A Right    B Wrong    C Not mentioned
第3部分：概括大意与完成句子  (第23~30题，每题1分，共8分)
    阅读下面这篇短文，短文后有2项测试任务：(1)第23~26题要求从所给的6个选项中为第1～4段每段选择1个正确的小标题；(2)第27"30题要求从所给的6个选项中选择4个正确选项，分别完成每个句子。请将答案涂在答题卡相应的位置上。
Ford
1 Ford’s great strength was the manufacturing process-not invention. Long before he started
a car company，he was a worker，known for picking up pieces of metal and wire and turning
men into machines．He started putting cars together in 1891．Although it was by no means the
first popular automobile，the Model T showed the world just how creative Ford was at
combining technology and market．
2 The company’s assembly line alone threw America’s Industrial Revolution into overdrive
(高速运转)．Instead of having workers put together the entire car ,Ford’s friends，who were great
toolmakers from Scotland，organized teams that added parts to each Model T as it moved down a
line．By the time Ford’s Highland Park plant was humming(嗡嗡作响)along in 1914. the本论文由英语论文网提供整理，提供论文代写，英语论文代写，代写论文，代写英语论文，代写留学生论文，代写英文论文，留学生论文代写相关核心关键词搜索。