2021高考英语大一轮复习考点规范练37Unit2Cloning新人教版选修8.docx

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1、考点规范练37 Unit 2 Cloning.阅读理解(2018天津)Theres a new frontier in 3D printing thats beginning to come into focus:food.Recent development has made possible machines that print,cook,and serve foods on a mass scale.And the industry isnt stopping there.FoodproductionWith a 3D printer,a cook can print complica

2、ted chocolate sculptures and beautiful pieces for decoration on a wedding cake.Not everybody can do thatit takes years of experience,but a printer makes it easy.A restaurant in Spain uses a Foodini to “re-create forms and pieces” of food that are “exactly the same,” freeing cooks to complete other t

3、asks.In another restaurant,all of the dishes and desserts it serves are 3D-printed,rather than farm to table.Sustainability(可持续性)The global population is expected to grow to 9.6 billion by 2050,and some analysts estimate that food production will need to be raised by 50 percent to maintain current l

4、evels.Sustainability is becoming a necessity.3D food printing could probably contribute to the solution.Some experts believe printers could use hydrocolloids(水解胶体) from plentiful renewables like algae(藻类) and grass to replace the familiar ingredients(烹饪原料).3D printing can reduce fuel use and emissio

5、ns.Grocery stores of the future might stock “food” that lasts years on end,freeing up shelf space and reducing transportation and storage requirements.NutritionFuture 3D food printers could make processed food healthier.Hod Lipson,a professor at Columbia University,said,“Food printing could allow co

6、nsumers to print food with customized nutritional content,like vitamins.So instead of eating a piece of yesterdays bread from the supermarket,youd eat something baked just for you on demand.”ChallengesDespite recent advancements in 3D food printing,the industry has many challenges to overcome.Curren

7、tly,most ingredients must be changed to a paste(糊状物) before a printer can use them,and the printing process is quite time-consuming,because ingredients interact with each other in very complex ways.On top of that,most of the 3D food printers now are restricted to dry ingredients,because meat and mil

8、k products may easily go bad.Some experts are skeptical about 3D food printers,believing they are better suited for fast food restaurants than homes and high-end restaurants.1.What benefit does 3D printing bring to food production?A.It helps cooks to create new dishes.B.It saves time and effort in c

9、ooking.C.It improves the cooking conditions.D.It contributes to restaurant decorations.2.What can we learn about 3D food printing from paragraph 3?A.It solves food shortages easily.B.It quickens the transportation of food.C.It needs no space for the storage of food.D.It uses renewable materials as s

10、ources of food.3.According to paragraph 4,3D-printed food .A.is more available to consumersB.can meet individual nutritional needsC.is more tasty than food in supermarketsD.can keep all the nutrition in raw materials4.What is the main factor that prevents 3D food printing from spreading widely?A.The

11、 printing process is complicated.B.3D food printers are too expensive.C.Food materials have to be dry.D.Some experts doubt 3D food printing.完形填空Last year,I had a car accident.I was 1,and I had my two children in the car.2,they both were OK.Despite having scratches on my left arm and neck,I felt 3 ri

12、ght after the accident.Later that night,though,there was something wrong with me and my husband sent me to hospital immediately.My 4 said I had a concussion (脑震荡).The first week I felt like my inner 5 was off.I walked slowly,moving from side to side.I had difficulty in communicating because it was h

13、ard to remember words and I couldnt 6 clearly.I wore sunglasses all day because the light hurt my 7.When all of these 8 disappeared,people thought I had recovered,especially when my 9 injuries werent apparent;people 10 the pain that I was experiencing.They thought that I had 11,but I hadnt.I was anx

14、ious and 12.I gained 25 pounds because of stress eating.I felt like a victim.I couldnt bear anymore and I 13 to cure myself.I wrote down my feelings.I started meditating (冥想) and losing 14.Its almost been a year since the 15.My neck still tenses when Im nervous,but there are fewer headaches.I still

15、have panic attacks,but less 16.Although Im recovering slowly,the dead,hopeless look in my eyes is 17.My mind is teaching me something new:You were knocked down hard.Your brain was hit.But you were given another 18.I consider almost daily 19 Ill live my second life.Ill live with less speed and fewer

16、things on the to-do lists.Ill become my childrens strongest backer and tell them,“Im 20 here no matter what happens.”1.A.sadB.terrifiedC.tiredD.surprised2.A.ImmediatelyB.StrangelyC.HopefullyD.Thankfully3.A.hurtB.fineC.worriedD.lucky4.A.husbandB.friendsC.doctorD.children5.A.balanceB.senseC.strengthD.

17、wisdom6.A.seeB.speakC.writeD.hear7.A.eyesB.earsC.armD.neck8.A.difficultiesB.mistakesC.situationsD.symptoms9.A.personalB.emotionalC.internalD.physical10.A.refusedB.forgotC.controlledD.felt11.A.calmed downB.looked outC.moved onD.given in12.A.stressfulB.disappointedC.shamefulD.dissatisfied13.A.agreedB.

18、continuedC.managedD.decided14.A.forceB.sympathyC.weightD.confidence15.A.illnessB.accidentC.changeD.cure16.A.desperatelyB.frequentlyC.quicklyD.crazily17.A.goneB.specialC.uselessD.funny18.A.concernB.challengeC.choiceD.chance19.A.whenB.whyC.whereD.how20.A.alsoB.alreadyC.alwaysD.again.语篇填空In China,the h

19、istory of people planting and using bamboo can date back to as far as 7,000 years ago.As early as the Shang Dynasty,bamboo was being used in ancient peoples daily lives.It was used for food,clothing,housing,transportation,1. (music) instruments and even weapons.The 2. (apply) of bamboo in science an

20、d technology is thrilling.In 251 BC,Li Bing,in Sichuan,3. (lead) the local people in building the Dujiang Weirs,the first irrigation network in the world,in which bamboo played 4. important role.The worlds oldest water pipe was also 5. (make) of bamboo.During the Han Dynasty,the people in Sichuan 6.

21、 (success) sank a 1,600-metre-deep well with thick bamboo ropes.This technology did not spread to Europe 7. the 19th century,and it was by using the technology 8. the Americans drilled the first oil well in Pennsylvania in 1859.In Chinese culture,bamboo is well-known as 9. of the “four gentlemen” in

22、 plants.To many distinguished men,bamboo is a symbol of goodness and honesty.It is always closely related to people of positive spirits.Bamboo culture contributes to encouraging people to hold on when 10. (face) tough situations.短文改错(2019广西桂林高三4月模考)When I was eight,my father bought me the new bike f

23、or my birthday.My brother offered to teach me how to ride.At first,he rode and let me watching.Then he explained me the skills of controlling the bike.Still puzzling,I got on the bike,but it doesnt move as expected.I lost my balance and fall off the bike.At once I burst into tear because I saw blood

24、 on the ground.While I stood up,my left leg hurt bad.Later,I learned to ride a bike.This experience told me that though some lessons were painful to learn them,yet we could benefit a lot.考点规范练37(选修8Unit2).【解题导语】本文是一篇说明文,主要介绍一项新的3D食物打印技术。分别介绍食物打印的省时高效特点、所使用的原料的可持续性、提供顾客所需要的营养以及目前技术推广面临的挑战等。1.B细节理解题。根

25、据第二段第一、二句可知,用3D打印机,一名厨师可在婚礼蛋糕上打印出复杂的巧克力图案和精美的装饰,这并非每个人都能做到,这要厨师多年的经验积累,但一台打印机可以很容易就做到。由此可知,3D打印技术在食品制作方面节省了时间和精力。2.D推理判断题。根据第三段第四句“Someexpertsbelieveprinters.”可知,专家相信3D打印机可使用大量的藻类和草等可再生资源形成的水解胶体代替熟知的烹饪原料。3.B细节理解题。根据第四段中HodLipson教授的话可知,食品打印能使得顾客打印出富含顾客个性化需求的营养成分,如维生素。因此,顾客不必吃昨天从超市买来的面包,而是随需烤制。4.C细节理解

26、题。根据最后一段第三句“Ontopofthat,.”可知,尽管3D食物打印技术进展迅猛,但所需的大多数打印材料必须是干燥的才能使用,这也就制约了食物打印技术的普及。.【解题导语】本文是记叙文。作者遭受的一场车祸改变了她的生活。1.B根据本空前后句内容可知,作者遭受了一场车祸,车上还有她的两个孩子,所以她当时应该感到“害怕(terrified)”。2.D根据本空后内容可知,“谢天谢地(Thankfully)”,作者的两个孩子都安然无恙。3.B根据本句中的Despite可推测,尽管作者的左胳膊和脖子上有些擦伤,但是作者感觉“良好(fine)”,并无大恙。4.C根据上一句中的hospital可知,这

27、里指“医生(doctor)”说作者有脑震荡。5.A根据本空下一句内容可知,作者走路摇摇晃晃,所以她感觉自己失去了内部“平衡(balance)”。6.B根据本句中的“Ihaddifficultyincommunicating.”可知,作者跟人沟通有困难,她既记不住别人说的话,自己也“说(speak)”不清楚话。7.A根据本句中的sunglasses可知,作者戴墨镜是为了保护“眼睛(eyes)”。8.D上段中的“ThefirstweekIfeltlike.”都是作者脑震荡后表现出的“症状(symptoms)”。9.D根据第一段中的“.havingscratchesonmyleftarmandnec

28、k.”可推测,作者只是有些擦伤,“身体上的(physical)”伤并不明显。10.B根据本句中的“.peoplethoughtIhadrecovered.”可推测,人们以为作者痊愈了,尤其是她的外伤不明显,因此“忘记(forget)”了她正遭受的痛苦。11.C根据本空后的butIhadnt可推测,人们以为作者已经摆脱了车祸带来的影响,“继续向前(moveon)”。12.A根据本空前的anxious及后面的stresseating可知,作者焦虑而且“紧张(stressful)”。13.D根据本空后的内容可知,作者“决定(decide)”自我治愈。14.C根据上段中的“Igained25pound

29、s.”可推测,这里指作者“减肥(loseweight)”。15.B根据本文开头的“Lastyear,Ihadacaraccident.”可知,距离作者遭受那场“事故(accident)”已经将近一年了。16.B根据上句内容及本句中的still.but可推测,尽管作者还受恐慌困扰,但是已经没有那么“频繁(frequently)”了。17.A根据本句开头的Although可推测,尽管作者恢复得不快,但是作者眼中的呆滞和绝望“消失(gone)”了。18.D根据下段中的mysecondlife可知,这里指作者获得了重新生活的“机会(chance)”。19.D本句后的内容就是作者要“怎样(how)”重新

30、生活。20.C根据本句中的“Illbecomemychildrensstrongestbacker.”可知,作者要做孩子们最坚强的后盾并告诉他们:无论发生什么事情,“我”会“一直(always)”在。.【解题导语】本文是一篇说明文,主要介绍了竹子在中国的广泛应用及竹子所代表的含义。1.musical考查词性转换。根据词法知识可知,名词instruments前面应用music的形容词形式来修饰,表示“乐器”。故填musical。2.application考查词性转换。分析句子成分可知,该空在句中充当主语,应用apply的名词形式application,表示竹子在科学技术方面的运用。故填appli

31、cation。3.led考查动词时态。根据时间状语In251BC可知,此处叙述的是过去发生的事情,应用一般过去时;且lead与其主语LiBing之间是主谓关系。故填led。4.an考查冠词。playa/an.rolein为固定短语,意为“在方面起作用”;由于important是以元音音素开头的,故用不定冠词an。5.made考查动词语态。bemadeof为固定短语,意为“由制成”;此处表示世界上最古老的水管也是由竹子制成的,符合语境。故填made。6.successfully考查词性转换。此处应用success的副词形式修饰动词sank。故填successfully。7.until考查固定结构

32、。根据语境可知,这个技术直到19世纪才传到欧洲。not.until.意为“直到才”,符合语境。故填until。8.that考查强调句型。分析句子结构可知,本句为“Itis/was+被强调部分+that.”的强调句结构,此处应用that,强调方式状语byusingthetechnology。故填that。9.one考查代词。根据常识可知,在中国文化中,竹子是植物中的“四君子”之一。oneof意为“之一”,符合语境。故填one。10.facing考查省略。分析句子结构可知,在when引导的时间状语从句中,face与其逻辑主语people之间为主谓关系,故此处应用face的动词-ing形式,从句中省

33、略了主语people和be动词are。故填facing。.When I was eight,my father bought me thea new bike for my birthday.My brother offered to teach me how to ride.At first,he rode and let me watchingwatch.Then he explainedto me the skills of controlling the bike.Still puzzlingpuzzled,I got on the bike,but it doesntdidnt mo

34、ve as expected.I lost my balance and fallfell off the bike.At once I burst into teartears because I saw blood on the ground.WhileWhen I stood up,my left leg hurt badbadly.Later,I learned to ride a bike.This experience told me that though some lessons were painful to learn them,yet we could benefit a lot.7