阅读理解：请根据短文内容，为每题确定l个最佳选项。
How We Form First Impression。
We all have first impression of someone we just met. But why? Why do we form an opinion about someone without really knowing anything about him or her - aside perhaps from a few remarks or readily observable traits?
The answer is related to how your brain allows you to be aware of the world. Your brain is so sensitive in picking up facial traits. Even very minor difference in how a person’s eyes, ears, nose, or mouth are placed in relation to each other makes you see him or her as different. In fact, your brain continuously processes incoming sensory information - the sights and sounds of your world. These incoming signals are compared against a host of “memories” stored in the brain areas called the cortex(皮质) system to determine what these new signals “mean”.
If you see someone you know and like at school, your brain says “familiar and safe&rdq
A. past experience.
B. character.
C. facial features.
D. hobbies.
阅读理解：请根据短文内容，为每题确定l个最佳选项。
How We Form First Impression。
We all have first impression of someone we just met. But why? Why do we form an opinion about someone without really knowing anything about him or her - aside perhaps from a few remarks or readily observable traits?
The answer is related to how your brain allows you to be aware of the world. Your brain is so sensitive in picking up facial traits. Even very minor difference in how a person’s eyes, ears, nose, or mouth are placed in relation to each other makes you see him or her as different. In fact, your brain continuously processes incoming sensory information - the sights and sounds of your world. These incoming signals are compared against a host of “memories” stored in the brain areas called the cortex(皮质) system to determine what these new signals “mean”.
If you see someone you know and like at school, your brain says “familiar and safe&rdq
A. “He is familiar and safe.”
B. “He is new and potentially threatening.”
C. “I like this person.”
D. “This is new, I don’t like this person.”
阅读理解：请根据短文内容，为每题确定l个最佳选项。
The National Trust。
The National Trust in Britain plays an increasingly important part in the preservation for public enjoyment of the best that is left unspoiled of the British countryside. Although the Trust has received practical and moral support from the Government, it is not a rich government department. It is a voluntary association of people who care for the unspoiled countryside and historic buildings of Britain. It is a charity which depends for its existence on voluntary support from members of the public. Its primary duty is to protect places of great natural beauty and places of historical interest.
The attention of the public was the first drawn to the dangers threatening the great old houses and the castles of Britain by the death of the Lord Lothian, who left his great seventeenth-century house to the Trust together with the 4500-acre park and estate surrounding it. This gift attracted wide publicity
A. Government agency depending on voluntary services.
B. Non-profit organization depending on voluntary services.
C. Government department but is not rich.
D. Private organization supported by the government.
阅读理解：请根据短文内容，为每题确定l个最佳选项。
A New Strategy to Overcome Breast Cancer。
Post-menopausal（绝经后）women who walk for an hour a day can cut their chance of breast cancer significantly,a study has suggested. The report, which followed 73,000 women for 17 years,found walking for at least seven hours a week lowered the risk of the disease.The American Cancer Society team said this was the first time reduced risk was specifically linked to walking. UK experts said it was more evidence that lifestyle influenced cancer risk.
A recent poll for the charity Ramblers a quarter of adults walk for no more than an hour a week,but being active is known to reduce the risk of a number of cancers.This study, published in Cancer Epidemiology,Biomarkers&Prevention,followed 73.615 women out of 97,785 aged 50-74 who had been recruited by the American Cancer Society between 1992 and 1993,so it could monitor the incidence of cancer in the group.
They were asked to comp
A. breathing exercise
B. regular walking
C. recreational activity
D. lifestyle choices
完形填空：下面的短文有l5处空白，请根据短文内容为每处空白确定l个最佳选项。
Obesity(肥胖) Causes Global Warming.
The list of ills attributable to obesity keeps growing: Last week, obese people were accused of causing global warming.
This ______(51)comes from Sheldon Jacobson of the University of Illinois, US, and a doctoral student, Laura McLay. Their study ______(52) how much extra gasoline is needed to haul fat Americans around. The answer, they say, is a billion gallons of gas per year. ______(53)
There has been ______(54) for taxes on junk food in recent years. US economist Martin Schmidt suggests a tax on fast food ______(55)to people’s cars. "We tax cigarettes partly because of their health cost," Schmidt said. "Similarly, leading a lazy life style will end ______(56) costing taxpayers more."
US political scientist Eric Oliver said his first instinct was to laugh at these gas and fast food arguments. But such
A. turns
B. means
C. says
D. costs
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