consequently, most of the world’s fridge are to be found, not in the tropics where they might prove useful, but in the wealthy countries with mild temperatures where they are climatically almost unnecessary. every winter, millions of fridges hum away continuously, and at vast expense, busily maintaining an artificially-cooled space inside an artificially-heated house-while outside, nature provides the desired temperature free of charge.
the fridge’s effect upon the environment has been evident, while its contribution to human happiness has been insignificant. if you don’t believe me, try it yourself, invest in a food cab and turn off your fridge next winter. you may miss the hamburgers, but at least you’ll get rid of that terrible hum.
本文共14页: 第 9 [10] [11] [12] [13] [14] 页 www.gaofen123.com 76. the statement “ in my fridgeless fifties childhood, i was fed well and healthily.” ( line 1, para. 2) .
a. the author was well-fed and healthy even without a fridge in his fifties
b. the author was not accustomed to use fridge even in his fifties
c. there was no fridge in the author’s home in the 1950s.
d.the fridge was in its early stage of development in the 1950s.
77.why does the author way that nothing was wasted before the invention of fridges?
a. people would not buy more food than was necessary.
b. food was delivered to people two or three times a week.
c. food was sold fresh and did not get rotten easily.
d. people had effective ways to preserve their food.
78.who benefited the least from fridges according to the author?
a. inventors.
b. consumers.
c. manufacturers
d. traveling salesmen.
79.which of the following phrases in the fifth paragraph indicates the fridge’s negative effect on the environment?
a.”hum away continuously”
b.”climatically almost unnecessary”
c.”artificially-cooled space”
d.”with mild temperatures”
80.what is the author’s overall attitude toward fridges?
a. neutral
b. critical
c. objective
d. promising
question 81 to 85 are based on the following passage:
if you want to stay young , sit down and have a good think .this is the research finding of a team of japanese doctors ,who say that most of our brains are not getting enough exercise—and as a result , we are ageing unnecessarily soon. professor taiju matsuzawa wanted to find out why otherwise healthy farmers in northern japan appeared to be losing their ability to think and reason at a relatively early age , and how the process of ageing could slowed down.
本文共14页: 第 [9] 10 [11] [12] [13] [14] 页 www.gaofen123.com with a team of colleagues at tokyo national university, he set about measuring brain volumes of a thousand people of different ages and varying occupations .
contraction of front and side parts as cells die off – was observed in some subjects in their thirties , but it was still not evident in some sixty – and seventy-year-olds.
matsuzaswa concluded from his tests that there is a simple remedy to the contraction normally associated with age –using the head .
the findings show in general terms that contraction of the brain begins sooner in people in the country than in the towns. those least at risk , says matsuzawa , are lawyers , followed by university professors and doctors . white collar workers doing routine work in government offices are , however , as likely to have shrinking brains as the farm worker , bus driver and shop assistant .
matsozawa’s findings show that thinking can prevent the brain from shrinking . blood must circulate properly in the head to supply the fresh oxygen the brain cells need .”the best way to maintain good blood circulation is through using the brain , “he says . “think hard and engage in conversation . don’t rely on pocket calculators .”
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本文共14页: 第 [9] [10] 11 [12] [13] [14] 页 www.gaofen123.com 81.the team of doctors wanted to find out :
a. why certain people are sooner than others
b. how to make people live longer
c. the size of certain people’s brains
d. which people are most intelligent
82.on what ate their research findings based?
a.a survey of farmers in northern japan.
b.tests performed on a thousand old people.
c.study of brain volumes of different people.
d.the latest development of puter technology.
83.the doctor’s tests show that :
a. our brains shrink as we grow older
b. the front section of the brain does not shrink
c. sixty-year-olds have better brains than thirty-year-olds
d. some people’s brains have contracted more than other people’s
84.the word “ subjects “ in paragraph 5 means:
a. something to be considered
b. branches of knowledge studied
c. persons chosen to be studied in an experiment
d. any member of a state except the supreme ruler
85.according to the passage , which people seem to age slower than the others.
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