李润生阅读和写作7分法则6月10日晚.ppt
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1、新浪微博:李威廉IELTS,李润生高效雅思阅读7分法则,点对点题型,标题配对题(list of headings)包含题(Contains)which paragraph contains the following information?(最难题型之一)段落总结(带选项的summary)(最难题型之一)选择题(multiple choice)长短句配对,点对面的题型,填空题(sentence completion,table,short answer,summary,flow chart)判断题(TRUE/FALSE/NOT GIVEN)配对题中的人名,地名配对。,新浪微博:李威廉IELT
2、S,李润生老师的微博,请需要PPT 的烤鸭最新雅思8分范文的同学:请加新浪微博:李威廉IELTS由李老师亲自修改十篇作文,必能提高一分!微信:DianfengyasiQQ群:”322968658”本人是网络小说中国未来watch 90后作者所有烤鸭均可报名参加免费一篇批改作文活动,可发微博私信,先到先得。,新浪微博:李威廉IELTS,李威廉IELTS,新浪微博:李威廉IELTS,PLAYISASERIOUSBUSINESS?,Does play help develop bigger,better brains?Bryant Furlow investigatesA.Playing is a
3、serious business.Children engrossed in a make-believe world,fox cubs play-fighting or kittens teaming a ball of string arent just having fun.Play may look like a carefree and exuberant way to pass the time before the hard work of adulthood comes along,but theres much more to it than that.For a start
4、,play can even cost animals their lives.Eighty percent of deaths among juvenile fur seals occur because playing pups fail to sport predators approaching.It is also extremely expensive in terms of energy.Playful young animals use around two or three per cent of energy cavorting,and in children that f
5、igure can be closer to fifteen per cent.Even two or three per cent is huge,says John Byers of Idaho University.You just dont find animals wasting energy like that,he adds.There must be a reason.,新浪微博:李威廉IELTS,B.But if play is not simply a developmental hiccup,as biologists once thought,why did it ev
6、olve?The latest idea suggests that play has evolved to build big brains.In other words,playing makes you intelligent.Playfulness,it seems,is common only among mammals,although a few of the larger-brained birds also indulge.Animals at play often use unique signs tail-wagging in dogs,for example to in
7、dicate that activity superficially resembling adult behavior is not really in earnest.In popular explanation of play has been that it helps juveniles develop the skills they will need to hunt,mate and socialise as adults.Another has been that it allows young animals to get in shape for adult life by
8、 improving their respiratory endurance.Both these ideas have been questioned in recent years.,新浪微博:李威廉IELTS,C.Take the exercise theory.If play evolved to build muscle or as a kind of endurance training,then you would expect to see permanent benefits.But Byers points out that the benefits of increase
9、d exercise disappear rapidly after training stops,so many improvement in endurance resulting from juvenile play would be lost by adulthood.If the function of play was to get into shape,says Byers,the optimum time for playing would depend on when it was most advantageous for the young of a particular
10、 species to do so.But it doesnt work like that.Across species,play tends to peak about halfway through the suckling stage and then decline.,新浪微博:李威廉IELTS,D.Then theres the skills-training hypothesis.At first glance,playing animals do appear to be practising the complex manoeuvres they will need in a
11、dulthood.But a closer inspection reveals this interpretation as too simplistic.In one study,behavioural ecologist Tim Caro,from the University of California,looked at the predatory play of kittens and their predatory behaviour when they reached adulthood.He found that the way the cats played had no
12、significant effect on their hunting prowess in later life.,新浪微博:李威廉IELTS,E.Earlier this year,Sergio Pellis of Lethbridge University,Canada,reported that there is a strong positive link between brain size and playfulness among mammals in general.Comparing measurements for fifteen orders of mammals,he
13、 and his team found large brains(for a given body size)are linked to greater playfulness.The converse was also found to be true.Robert Barton of Durham University believes that,because large brains are more sensitive to developmental stimuli than smaller brains,they require more play to help mould t
14、hem for adulthood.I concluded its to do with learning,and with the importance of environmental data to the brain during development,he says.,新浪微博:李威廉IELTS,F.According to Byers,the timing of the playful stage in young animals provides an important clue to whats going on.If you plot the amount of time
15、 juvenile devotes to play each day over the course of its development,you discover a pattern typically associated with a sensitive period a brief development window during which the brain can actually be modified in ways that are not possible earlier or later in life.Think of the relative ease with
16、which young children but not infants or adults absorb language.Other researchers have found that play in cats,rats and mice is at its most intense just as this window of opportunity”reaches its peak.,新浪微博:李威廉IELTS,G.People have not paid enough attention to the amount of the brain activated by plays,
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