1、高考一轮北师版英语 课后分层集训 选修7 Unit 21 Human Biology B卷课后分层集训选修7Unit 21Human Biology (B卷).阅读理解A(2017福建高中毕业班质检)The World Health Organization (WHO) said that processed meat may be carcinogenic (致癌)Do you still dare eat cancerlinked processed meat? Here are some comments on the website.Bill (Australia) Id rather
2、 live a short,pleasant life than a long,unhappy one,denying (拒绝给予) myself tasty food just because some experts say its not healthy.We should all enjoy the one life we haveif I had listened to every piece of health advice I would never go anywhere,eat anything or enjoy life in any way.So,I wont chang
3、e my habit.I am going to have a bacon sandwich,glass of wine,burger,can of coke whenever I feel like it.Tim (America) Is meat really as bad as smoking?I dont think so.According to the WHO 34,000 people die worldwide per year because they eat processed meat.In 2012,8.2 million people died of cancer w
4、orldwide.That means if you eat a lot of processed meat you have a chance of being among the 0.41 percent of people dying of cancer because of processed meat.Ill take the chance.Helen (Switzerland) The WHO doesnt say that just one bite of meat causes cancer,it is rather saying that people should vary
5、 their diet.People who eat more meat often have other unhealthy habits.They usually eat fewer fruits and vegetables and they also often exercise less.Van(China) Perhaps this report will make people consider becoming vegetarians (素食者)So for your health,the environment and future generations,it is not
6、 difficult; it just needs a change of attitude.There is a vast variety of other delicious food available to enjoy.【语篇解读】本文主要介绍了一些网民对于世界卫生组织公布的食用加工肉制品可能致癌这一信息的个人看法。1What if Bill has to change his habit?AHell feel unhappy.BHell live a pleasant life.CHell go on a diet.DHell become a vegetarian.A推理判断题。根
7、据第二段的“Id rather live a short,pleasant life than a long,unhappy one,denying (拒绝给予)myself tasty food just because some experts say its not healthy.”可推知,Bill如果改变目前的饮食习惯,他会不开心的。 2What does Tim think about eating processed meat?AToo risky. BFairly safe.CPopular worldwide. DVery unhealthy.B推理判断题。根据第三段的“Is
8、 meat really as bad as smoking?I dont think so.”和“That means if you eat a lot of processed meat you have a chance of being among the 0.41 percent of people dying of cancer because of processed meat.Ill take the chance.”可知,Tim认为吃加工肉制品并不是什么要命的事儿,还是比较安全的。3What may be Helens response to WHOs warning?ACa
9、ring little about it.BEating whatever she likes.CVarying the diet and doing exercise.DTaking a diet without meat.C细节理解题。根据第四段的“it is rather saying that people should vary their diet.People who eat more meat often have other unhealthy habits.They usually eat fewer fruits and vegetables and they also
10、often exercise less.”可知,Helen对WHO的警告的回应是应该饮食多样化并多锻炼身体。4Who have the most similar viewpoints?ABill and Tim. BTim and Helen.CHelen and Van. DBill and Van.A细节理解题。根据对文章第二段和第三段的整体理解可知,Bill和Tim都认为是可以吃加工肉制品的。B(2017济南高三模拟)People need to seek out new foods because the world has so many mouths to feed.As of 2
11、015,there are more than seven billion people on Earth,according to the United Nations.And by 2100 that number may double.Feeding all of these people means not only improving the way foods are grown,but also finding new sources of nutrition.And that_quest is becoming ever more urgent.If nothing chang
12、es,within 35 years,the worlds appetite will be greater than the amount of foods produced.Thats according to a report released last year.It was prepared by the Global Harvest Initiative,a private agriculture group based in Washington,D.C.Global warming,too,is changing food production.Scientists predi
13、ct that rising temperatures will reduce the growth of important crops like wheats,corns and soybeans.Lowincome developing countries will be hit the hardest.When harvests fall,crops become more expensive.And since those foods are also used to feed animals like cows and pigs,meat prices,too,will rise.
14、All over the world,researchers are racing against the clock to figure out how best to feed more people in a fastchanging world.And some surprising ideas have begun to come up.Two years ago,scientists introduced the first burger made from meat grown in a lab.The project cost more than $300,000,but it
15、s a start.Other researchers are developing seeds that can survive high temperatures and drought.Still others are finding ways to improve the genes of meat animals so they produce more meat and can stand the heat.A gloomy (悲观的) forecast for the planet isnt the only reason to study foods for the futur
16、e.Its a creative quest that will inspire people who can think in new ways about existing plants and animalseven insects.These researchers have used their talents in ways that even they never would have predicted.【语篇解读】本文主要讲的是在全球变暖的环境下,人们应如何应对日益膨胀的人口的温饱问题。5What do the underlined words “that quest” in
17、 Paragraph 2 refer to?AThe research on foods.BThe increase of population.CThe variety of nutrition.DThe change of appetite.A词义猜测题。根据第一段的最后一句及下文的食物研究可知,画线词指对食物的研究。6How does global warming affect lowincome developing countries?aIncrease meat prices.bRaise the temperature.cReduce the growth of crops.dL
18、ead to the high cost of life.eCause a higher price for crops.Abacde BcabdeCdecab DbceadD细节理解题。根据第三段的整体内容可知,全球变暖首先是导致气温上升,然后是农作物减产,从而农作物价格上涨,进而肉类涨价,最终会导致人们生活成本增加。7What is mainly talked about in Paragraph 4?ANew ways of farming.BSome great researchers.CProgress in food research.DAchievements in lab ex
19、periments.C段落大意题。根据第四段的第二句“And some surprising ideas have begun to come up”并结合本段的整体内容可推知,本段主要讲述的是食物研究方面的进步。8What will be discussed in the following paragraph?AExamples of successful food researchers.BDifferent opinions about the future food.CMethods of dealing with global warming.DPossibilities of f
20、eeding the present population.A推理判断题。根据最后一段的最后一句“These researchers have used their talents in ways that even they never would have predicted”并结合本段的整体内容可推知,下文会举一些成功的食物研究者的例子。 【导学号:34802250】.完形填空(2016浙江高考)During the war,my husband was stationed at an army camp in a desert in California.I went to live
21、there in order to be _1_ him.I hated the place.I had never _2_ been so unhappy.My husband was ordered out on a longterm duty,and I was left in a tiny shack (棚屋) alone.The heat was _3_almost 125F even in the shade of a cactus (仙人掌)_4_ a soul to talk to.The wind blew nonstop,and all the food I ate,and
22、 the very air I breathed,were _5_ with sand,sand,sand!I was so sorry for myself that I wrote to my parents.I told them I was _6_ and coming back home.I said I couldnt stand it one minute longer.I _7_ be in prison!My father answered my _8_ with just two linestwo lines that will always sing in my _9_t
23、wo lines that completely changed my life:Two men looked out from prison bars,One saw the mud,the other saw the stars.I read those two lines _10_I was ashamed of myself.I made up my mind I would find out what was good in my present _11_;I would look for the stars.I made friends with the natives,and t
24、heir _12_amazed me.They gave me presents of their favorite artworks which they had _13_ to sell to tourists.I studied the delightful forms of the cactus.I watched for the desert sunsets,and _14_ for seashells that had been left there millions of years ago when the sands of the desert had been an oce
25、an _15_What brought about this _16_ change in me? The desert hadnt changed,_17_ I had.I had changed my _18_And by doing so,I changed an unhappy experience into the most amazing _19_ of my life.I was excited by this new world that I had discovered.I had looked out of my selfcreated prison and _20_ th
26、e stars.【语篇解读】本文是一篇记叙文。文章讲述了作者为了陪伴丈夫来到沙漠。恶劣的生存环境让作者感到不快乐。而作者父亲回信中的两行话彻底改变了她,让她改变了生活态度,学会了在逆境中享受生活。1A.off BbehindCnear DbeyondC上文语境题。根据空格前的went to live there可以看出,作者到那里住的目的是希望离丈夫近(near)一些。off离开;behind在后面;near在附近;beyond超出,远于。2A.before BalreadyCthen DstillA上下文语境题。根据上文使用的过去时及下文I said I couldnt stand it o
27、ne minute longer.可知,作者在此之前(before)从未那么不快乐过。before在之前;already已经;then然后,那么;still仍然。3A.inflexible BincomprehensibleCuncontrollable DunbearableD下文语境题。由破折号后的almost 125F even in the shade of a cactus可知,即便是在仙人掌的阴凉里,这种炎热也是让人无法忍受的(unbearable)。inflexible缺乏弹性的,不可改变的;incomprehensible难懂的,不可理解的;uncontrollable控制不住
28、的,无法管束的;unbearable无法忍受的,承受不住的。4A.Only BNotCMany DSuchB上下文语境题。由该段内容可以看出,作者所居住地方的炎热的天气、永无休止的风、所吃的食物、呼吸的空气都令人无法忍受。空格处应该指这里没有(not)作者可以与之聊天的人。only仅仅,只有;not没有;many许多;such那样的。5A.covered BfilledCburied DchargedB上下文语境题。此处各选项均可填入构成短语:be covered with用覆盖;be filled with充满;be buried with被掩埋;be charged with被指控犯(罪)
29、。由该句语境可以看出,无论是作者吃的食物还是呼吸的空气,到处都充满了(were filled with)沙子。6A.catching up Bkeeping upCgiving up Dgetting upC下文语境题。由后面的I said I couldnt stand it one minute longer.可以看出,由于居住地恶劣的环境,作者打算放弃(give up)并准备回家。catch up赶上;keep up保持,维持;give up放弃;get up起床。7A.ought to Bmight wellCwould rather Dhad betterC上下文语境题。由该空所在句
30、可知,作者在信中告诉父母,她一分钟也坚持不下去了,她宁愿(would rather)去蹲监狱。ought to应该;might well有充分理由,足以;would rather宁愿;had better最好。8A.request BcallCquestion DletterD上文语境题。由该段第一句中的I wrote to my parents可知,作者给自己的父母写了封信。request请求,要求;call通话,召唤;question问题;letter信。9A.comparison BimaginationCconsideration DmemoryD下文语境题。由下文可以看出,作者父亲的
31、这两行话彻底改变了作者对生活的态度,所以这两行话总是在她的记忆(memory)里唱响。comparison对比;imagination想象;consideration考虑,体贴;memory记忆。10A.over and over Bby and byCup and down Dnow and thenA上下文语境题。由上下文语境可知,作者收到父亲的信后反复(over and over)阅读,并为自己感到羞愧。over and over再三,反复;by and by不久,很快;up and down上上下下,来回;now and then不时,时常。11A.company BoccupationCsituation DrelationshipC上文语境题。由上文可知,空格所在句表示作者下定决心找到自己目前处境(situation)的优势。company陪伴,公司;occupation工作,占用;situation处境,状况;relationship关系。12A.movement BreactionCguidance DpurposeB上下文语境题。由该段内容可知,作者与当地人交朋友,而他们把最喜欢的
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