1、.阅读理解【科普知识类】Losing weight comes with a lot of health benefitsincluding making your brain sharper.Yes,it turns out that overweight may damage cognitive functions (认知功能) such as memory and attention.There have been few studies of overweight and cognitive functioning,possibly because it is generally be
2、lieved that it is not a primary risk cause for poor cognitive performance.Losing weight,therefore,may help improve these mental functions,according to a new research led by John Gunstad,assistant professor of psychology at Kent State University.Growing evidence suggests that being fat is linked to c
3、ognitive deficits (缺陷).So Gunstad and his team guessed that losing weight might improve mental function.For their study,they measured memory and attention in a group of 150 overweight participants,some of whom had some kind of operation for weight loss and some did not.All of the volunteers complete
4、d mental skills tests to assess their abilities of memory and attention at the beginning of the study,and again 12 weeks later.To begin with,about 24% of the patients showed damaged learning and 23% showed signs of poor memory when tested.At the end of the study,those who had lost weight after opera
5、tion improved their scores into the average or above average range for cognitive functions.Scores for the volunteers who didnt lose weight dropped even further.The study helped Gunstad to find out whether losing weight had any effect on mental function.Now that hes seen the positive effect that weig
6、ht loss can have on memory and attention,he says he will next study those who choose to lose weight by the traditional wayeating healthier and getting more active.He expects that losing weight in this way will have a similarly positive effect on the brain.“If we can improve the condition with operat
7、ions,then we can probably produce the same change with behavioral weight loss as well,” he says.1.There is less research on overweight and cognitive functions because researchers .A.believe overweight only affects our bodyB.have focused on ways to sharpen peoples mindC.do not consider overweight a m
8、ain cause for low cognitive abilityD.are clear about the relation between weight and mental functions2.The result of Gunstads study shows that.A.losing weight has little effect on peoples memoryB.losing weight can improve peoples mental functionsC.overweight people are likely to have psychology prob
9、lemsD.overweight peoples abilities of concentration differ greatly3. What is Gunstad planning to prove next in his research?A.Slim people are smarter than overweight people.B.Healthy diet is better than exercise in losing weight.C.Traditional ways of losing weight are better than operation.D.Overwei
10、ght people will get smarter by taking more exercise.4.Which of the following is the best title for the text? A.Body Weight and Health B.Losing Weight by OperationC.Ways to Improve Mental Functions D.Losing Weight to Sharpen Your Mind.完形填空(2020兰州高三诊断考试)We often see hitchhikers (搭便车的人),standing by the
11、 side of the road,thumb sticking out,waiting for a lift.But it is getting 1 nowadays.What killed hitchhiking?2 is often mentioned as a reason.Movies about murderous hitchhikers and real-life crime 3 many drivers off picking up hitchhikers.4 no single women picked me up on my journey to Manchester 5
12、reflects the safety fear:6,strangely dressed man is seen as dangerous.But the reason may be 7 complex:hitchhiking happens where people dont have cars and transport services are 8.Plenty of people 9 hitchhike in Poland and Romania.Perhaps the rising level of car ownership in the UK means the few peop
13、le lift hitchhiking are usually considered strange.Why cant they 10 cars?Why cant they take the coach or the train?Three-quarters of the UK population have 11 a car;many of the 12 will be quite old.The potential hitchhiking population is therefore small.13 my trip proves its still possible to hitchh
14、ike.The people who picked me up were very interesting lawyer,retired surgeon,tank commander,carpenter,man who live in an isolated farmhouse and a couple 14 in the mountains.My conclusion is that only really interesting people are mad enough to pick up fat blokes (家伙) in red,spotted scarves.Most just
15、 wanted to do someone a good turn;a few said they were so surprised to see a hitchhiker that they couldnt help 15.The future of hitchhiking most 16 lies with car-sharing organized over the Internet,via sites such as hitchhikers.org.But for now,you can still stick your thumb out (actually,I didnt do
16、much of that,17 just to hold up my destination sign) and peoplewonderful,caring,sharing,unafraid peoplewill stop.In the UK,with its cheap 18 and reasonable rail service,I dont think Ill make a habit of it.But having enjoyed it so much,Im ready now to do a big trip 19 Europe and beyond.In the 1970s a
17、 female friend of my wifes hitchhiked to India.How wonderful it would be to have another go,20 Afghanistan might be a challenge.I wish Id got that tank commanders mobile number.1.A.valuable B.hardly C.rare D.little2.A.Fear B.Safety C.Allowance D.Expense3.A.has put B.had been put C.has been put D.hav
18、e put4.A.What B.Which C.Whether D.That5.A.no more B.no need C.no reason D.no doubt6.A.a short B.a clumsy C.a small D.a large7.A.most B.more C.very D.much8.A.poor B.heavy C.busy D.convenient9.A.seldom B.always C.still D.never10.A.afford B.offer C.affect D.offend11.A.effect to B.effect on C.access in
19、D.access to12.A.remain B.rest C.pedestrians D.citizens13.A.While B.When C.Yet D.Though14.A.living up B.lived down C.was living up D.was living down15.A.stopping B.but stop C.stop D.stopped16.A.likely B.certainly C.positively D.actively17.A.pretending B.preparing C.preferring D.defending18.A.vehicles
20、 B.coaches C.cars D.helicopters19.A.across B.through C.for D.over20.A.as B.though C.because D.when活页综合提升练及模拟卷答案.语法填空语篇解读:本文讲述了一种设计简单却不失优雅的椅子。1.on/in考查介词的用法。“坐在椅子上”通常用sit on/in a chair,介词in表示坐在有扶手的椅子上。2.known考查非谓语动词的用法。(be)known as作为而出名,为固定短语,此处known as the “French series”在句中作定语。3.making考查非谓语动词的用法。由前
21、面的介词in可知,此处应用making one作宾语。4.the考查冠词的用法。in the 1930s意为“在二十世纪三十年代”。世纪和年代前面必须用定冠词the。5.reasons考查名词复数的用法。reason为可数名词,由前面的several可知此处应用复数名词reasons。6.looks考查动词的时态和主谓一致。由该句话前半部分的It is great和空格前的主语it可知,此处应用动词的第三人称单数形式。7.which考查定语从句。此处which引导非限制性定语从句,修饰先行词the glue,关系代词which在从句中作主语。8.to sit考查非谓语动词的用法。“make+宾
22、语+adj.+to do不定式”为固定用法。9.be sent考查动词的语态。由主语the chair parts与send之间的被动关系可知,此处应用被动语态be sent。10.easily考查副词的用法。此处修饰谓语动词,应用副词形式。.阅读理解研究表明,减肥可以提高记忆力,改善注意力。1.C细节理解题。根据第二段第二句“There have been few studies of overweight and cognitive functioning,possibly because it is generally believed that it is not a primary
23、risk cause for poor cognitive performance.”可知,答案为C项。2.B细节理解题。根据第二段第三句中的“Losing weight,therefore,may help improve these mental functions,according to a new research led by John Gunstad”可知答案为B项。3.D细节理解题。根据最后一段第二句并结合下文中他所说的话可知,A、B、C三项与文意不符,只有D项是Gunstad接下来要证明的。4.D主旨大意题。第一段“Losing weight comes with a lot
24、 of health benefitsincluding making your brain sharper.”是本文的主旨句,再结合全文内容可知,答案为D。【疑难词汇解读】1.assess sth. (as sth.)vt.估计, 评定Its difficult to assess the effects of these changes.这些变化带来的效果难以评估。Id assess your chances as low.我估计你的机会不大。2.to begin with首先;第一Im not going.To begin with, I dont have a ticket,and s
25、econdly I dont like the play.我不去。一来我没票,二来我不喜欢这出戏。起初To begin with he had no money,but later he became quite rich.他起初没钱,可是后来相当富有了。【长难句子分析】Now that hes seen the positive effect that weight loss can have on memory and attention,he says he will next study those who choose to lose weight by the traditiona
26、l wayeating healthier and getting more active.本句是一个主从复合句。Now that hes seen the positive effect that weight loss can have on memory and attention为原因状语从句,逗号后面为主句。连词now that引导的原因状语从句包含一个关系代词that引导的定语从句,修饰名词effect,关系代词that在定语从句中作动词have的宾语;主句谓语动词says后是一个省略了that的宾语从句;宾语从句又包含一个关系代词who引导的定语从句,修饰代词those,关系代词who在定语从句中作主语;在who引导的定语从句中,eating healthier and getting more active是同位语,对the traditional way进一步解释说明。由于他已经看到了减肥对记忆力和注意力的积极作用,他说接下来他将研究那些选择通过传统方式(健康饮食和多做运动)减肥的人。.完形填空本文阐述了在路边搭便车的人越来越少这一现象,并分析了导致这一现象的不同原因。1.C由下文的What killed hitchhiking以及后面的描述可知,在路边搭便车的人现在很少(rare)见。2.B由下文内容可知,安全
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