19.It is common sense that children who walk or cycle to school have a lower risk of obesity than those by car.But driving your youngsters to the gates could also cause their academic work to suffer.
Researchers found children who were driven to school,or who took public transport,had poorer concentration levels than those who took a more active route such as walking or cycling.
The joint study by researchers at two Danish universities found the regular exercise could advance a student up to half a year in their studies.Children who were driven to school,or who took public transport,performed less well in a test measuring concentration levels,than those who had walked or cycled.
The results surprised the researchers,as their hypothesis(假設(shè)) originally focused on the effects of eating breakfast and lunch on pupils'ability to concentrate.
"The exercise one uses to transport oneself to school is reflected in the level of concentration one has about four hours later,"Niels Egelund,a co-author of the report said."The results showed that having breakfast and lunch has an impact,but not very much compared to having exercise."
"As a third-grade pupil,if you exercise and bike to school,your ability to concentrate increases to the equivalent of someone half a year further in their studies,"he added.
In the survey,taken by 19,527 pupils aged five to 19 years old,participants were asked about their exercise habits and were then given a basic test measuring their concentration.
"Most people know the feeling of being refreshed after having exercised,but it is surprising that the effect lasts for so long,"Egelund said.
Previous research from the university of Montreal has found that exercise helps our brains make better use of oxygen.It may also reduce mental fatigue(疲勞) and sharpen your thinking in between gym sessions.And last week Swedish researchers said they found that muscular boys will live longer than their weaker friends.
And even if they are overweight by the time they get to adulthood,those with stronger muscles tend to live longer.
51.What is the best title of this passage?D
A.Exercise--Refresh you B.Exercise--Look slim
C.Exercise--Live longer D.Exercise--Learn faster
52.Which of the following is NOT the result of the research from the University of Montreal?B
A.Exercise helps our brain make the most of oxygen.
B.Exercise can improve the level of concentration.
C.Exercise can make you sharp-minded.
D.Exercise can decrease mental fatigue.
53.According to the passage,which of the following statements is correct?D
A.Having breakfast and lunch has a greater impact on concentration than having exercise.
B.Children driven to school perform worse in all tests.
C.Having exercise can refresh us but it doesn't last long.
D.Eating breakfast and lunch can affect children's ability to focus.
54.Children driven to school performed badly in their academies work in thatC.
A.they are too lazy B.they are not healthy
C.they are not focused D.they are not smart.
分析 本文是一篇科普類文章,主要講述了研究者發(fā)現(xiàn)開車,坐交通工具去上學(xué)的學(xué)生和那些走路或騎車上學(xué)的學(xué)生相比,注意力不夠集中,這是因為鍛煉可以幫助大腦充分利用氧氣,減少精神疲勞,使思維敏捷,從而使注意力更集中.
解答 51.答案:D.主旨大意題.通讀全文,根據(jù)文章內(nèi)容,尤其是"Researchers found children who were driven to school,or who took public transport,had poorer concentration levels than those who took a more active route such as walking or cycling"及"The joint study by researchers at two Danish universities found the regular exercise could advance a student up to half a year in their studies"可知,本文主要講述了鍛煉使學(xué)生學(xué)得更快.故選D.
52.答案:B.細(xì)節(jié)理解題.根據(jù)"Previous research from the university of Montreal has found that exercise helps our brains make better use of oxygen.It may also reduce mental fatigue(疲勞) and sharpen your thinking in between gym sessions"可知,鍛煉幫助大腦充分利用氧氣,減少精神疲勞,使思維敏捷,但沒有提高注意力這一點.故選B.
53.答案:D.細(xì)節(jié)理解題.根據(jù)"The results showed that having breakfast and lunch has an impact"知,吃早飯和午飯會影響學(xué)生的注意力.故選D.
54.答案:C.推理判斷題.根據(jù)"children who were driven to school,or who took public transport,had poorer concentration levels than those who took a more active route such as walking or cycling"可推測出,開車去上學(xué)的學(xué)生在學(xué)習(xí)方面表現(xiàn)得較差的原因是注意力不夠集中.故選C.
點評 本文是一篇科普類閱讀,題目涉及主旨大意題,細(xì)節(jié)理解題,推理判斷題,做題時應(yīng)結(jié)合文章上下文內(nèi)容并根據(jù)所給選項的含義進(jìn)行分析,從而得出正確答案.切記胡亂猜測,一定要做到有理有據(jù).