16．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 growing old unnecessarily soon．
Professor Taiju Matsuzawa wanted to find out why quite healthy in northern Japan appeared to be losing their ability to think and reason at a rather early age，and how the speed of getting old could be slowed down．
With a team of researchers at Tokyo National University，he set about measuring brain volumes of a thousand people of different ages with different jobs．Computer technology helped the researchers to get most exact measurements of the volume of the front and side parts of the brain，which have something to do with intellect and feelings，and decide the human character．As we all know，the back part of the brain，which controls task like eating and breathing，does not contract with age．
Contraction of front and side parts-as cells die off-was seen in some people in their thirties，but it was still not found in some sixty and seventy-year-olds．
Matsuzawa concluded from his tests that there is a simple way to prevent the contraction-using the head．
The findings show that contraction of the brain begins sooner in people in the country than in the towns．"Those with least possibility，"says Matsuzawa，"are lawyers，followed by university professors and doctors．White collar workers doing the same work day after day in government offices are，however，as possible to have contracting brains as the farm worker，bus driver and shop assistant．"
72．The team of doctors wanted to find outC．
A．a(chǎn)t what point people grow mentally old
B．how to make people live longer
C．the size of certain people's brains
D．which people are the most clever
73．Their research findings are based onC．
A．a(chǎn)n examination of farmers in northern Japan
B．tests given on a thousand old people
C．examining the brain volumes of different people
D．using computer technology
74．The doctors'tests show thatD．
A．our brains contract as we grow older
B．one part of the brain does not contract
C．sixty-year-olds have better brains than thirty-year-olds
D．some people's brains have contracted earlier than other people's
75．The most possible conclusion of the passage is thatC．
A．most of us take more exercise 
B．it's better to live in the town
C．the brain contracts if it is not used
D．the more one uses his brain，the sooner he becomes old．

分析 本文屬于說明文閱讀，作者通過這篇文章主要向我們描述了醫(yī)生們想搞清楚人腦變老的原因及其是怎樣發(fā)生的所做的研究．

解答 72．C．推理判斷題．根據(jù)第二段Professor Taiju Matsuzawa wanted to find out why quite healthy in northern Japan appeared to be losing their ability to think and reason at a rather early age可知醫(yī)生們想搞清楚人腦變老的原因及其是怎樣發(fā)生的；故選C．
73．C．段落理解題．根據(jù)第三段With a team of researchers at Tokyo National University，he set about measuring brain volumes of a thousand people of different ages with different jobs可知醫(yī)生的研究發(fā)現(xiàn)是基于對不同的人的腦容量的測量；故選C．
74．D．段落理解題．從文章第最后一段The findings show that contraction of the brain begins sooner in people in the country than in the towns對各種人群的測量結(jié)果中可知一些人的大腦比其他人更早的發(fā)育．故選D．
75．C．文章內(nèi)容概括題．根據(jù)最后一段The findings show that contraction of the brain begins sooner in people in the country than in the towns．"Those with least possibility可知文章開始就講明是腦子的鍛煉，并非指一般的鍛煉；故選C．

點(diǎn)評 考察學(xué)生的細(xì)節(jié)理解和推理判斷能力，做細(xì)節(jié)理解題時一定要找到文章中的原句，和題干進(jìn)行比較，再做出正確的選擇．在做推理判斷題不要以個人的主觀想象代替文章的事實，要根據(jù)文章事實進(jìn)行合乎邏輯的推理判斷．

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科目：高中英語 來源： 題型：閱讀理解

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科目：高中英語 來源： 題型：閱讀理解

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A．recall consequences more effortlessly
B．keep rewards better in their memory
C．make risky decisions more frequently
D．learn a subject more effectively
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A．ways of making choices
B．preference for pleasure
C．tolerance of punishments
D．responses to suggestions
70．The research has proved that in a stressful situation，C．
A．women find it easier to fall into certain habits
B．men have a greater tendency to slow down
C．men are more likely to take risks
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67．What's the best title of this passage？B
A．Get up early，teenagers!
B．Finally，a school understands teenagers．
C．Why do teenagers stay up late？
D．Difference between teens and adults．
68．What's the meaning of the underlined word"truancy"？C
A．grades         B．subjects
C．a(chǎn)bsence        D．classes
69．What can we learn from the passage？D
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B．Teenagers are fully awake at 10am．
C．Teenagers are much happier to sleep than study．
D．Teenagers need the extra sleep also for a scientific reason．
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B．It is cruel for the teenagers to show up at 9am．
C．The Monkseaton school plans to change the school time forever．
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科目：高中英語 來源： 題型：閱讀理解

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41．We can learn from the passage that whooping cranesC．
A．a(chǎn)re the tallest birds in the world         
B．a(chǎn)ren't birds at all
C．a(chǎn)re increasing in the past 15 years       
D．have no team spirit
42．The three-wheeled aircraft serve asA．
A．a(chǎn)dult cranes
B．food suppliers 
C．temporary habitats 
D．hunting tools
43．It can be inferred from the passage thatA．
A．the aircraft make a great difference to the cranes
B．the aircraft don't have an effect on the cranes
C．the cranes get lost frequently
D．the cranes fly to Florida nonstop
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A．Whooping cranes are famous for their height．
B．The pilots wear helmets and gowns to attract people's attention．
C．Whooping cranes want to migrate north in the autumn．
D．Whooping cranes will migrate on their own this spring．
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A．Baby whooping cranes don't have parents around．
B．Pilots show baby whooping cranes how to migrate．
C．Whooping cranes are becoming endangered．
D．Whooping cranes are a clever species．

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科目：高中英語 來源： 題型：填空題

6．She admitted having troublebalancing her studies and playing basketball．（平衡）

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