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【英语】2019届一轮复习人教版必修三Unit2Healthyeating单元学案设计(17页word版)
2019届一轮复习人教版必修三Unit2Healthy eating单元学案设计 话题词汇 1.appetite n.食欲;胃口 2.delicious adj.美味的;可口的 3.fresh adj.新鲜的 4.digest v.消化;领会 5.nutrition n.营养;滋养 6.recipe n.食谱;烹饪法 7.taste v.品尝;n.味道 8.be high/low in含……高/低 9.build up one’s body增强某人的体质 10.keep a balanced diet保持均衡的饮食 话题佳作 目前,食品安全问题引起了人们的广泛关注。一些生产厂商为了降低成本追求利润,削减了必要的安全措施,致使一些劣质或有害食品流入市场,对人们的健康产生了极大的危害。请你就此事给一家英文报刊写封信,谈谈个人看法并呼吁整个社会关注此事。 参考词汇:利润profit;安全措施safety measures 佳作欣赏 Dear Sir, I’m writing to talk about the problems of food safety nowadays.To reduce the cost and make more profits,some food companies don’t take necessary safety measures to guarantee the food quality.As a result,more and more lowquality food flows into the market,doing a lot of harm to consumers’ health. In my opinion,food is essential to human beings.We can not live without proper food.If no notice were taken of food safety,the health of the whole nation would suffer.So I call on the whole society to take action and put an end to the lowquality food.Only in this way can we live a healthier life. Yours truly, Li Hua 名师点睛 本文结构清晰,层次分明。第一段提出问题、分析原因,第二段提出了应对食品安全问题的建议。分析原因时,作者运用了动词不定式短语作目的状语,take necessary safety measures,guarantee the food quality等高级词汇;在造成的后果方面,作者使用了as a result衔接,同时使用了现在分词短语作结果状语及do a lot of harm to等短语;在提出建议的描述中作者运用了条件状语从句、倒装句等复杂句式及in my opinion,be essential to,not...without,take notice of,call on,take action,put an end to等高级词汇,增强了表达效果。 Ⅰ.写作必记单词 1.diet n.日常饮食;vi.节食 2.balance vt.平衡;权衡;n.天平;平衡 balanced adj.平衡的;均衡的 3.lie n.谎话;谎言;vi.说谎 4.weakness n.缺点;虚弱;弱点 5.strength n.强项;长处;力量 6.consult vt.咨询;请教;商量 7.debt n.债;债务 8.limit vt.限制;限定;n.界限;限度 limited adj.有限的 9.benefit n.利益;好处;vt.& vi.有益于;有助于;受益 beneficial adj.有益的 10.combine vt.& vi.(使)联合;(使)结合 Ⅱ.阅读识记单词 11.roast vt.& vi.烤;烘;烘烤;adj.烤制的 12.fry vt.& vi.油煎;油炸 13.slim vi.变细;减肥;adj.苗条的;纤细的 14.curiosity n.好奇心 curious adj.好奇的 15.hostess n.女主人;女主持人 16.raw adj.生的;未加工的 17.customer n.顾客;消费者 18.discount n.折扣 19.fibre n.纤维;纤维制品 20.digest vt.& vi.消化;n.摘要;概要 21.poisonous adj.有毒的 poison n.毒;毒物 22.glare vi.怒目而视;闪耀;n.怒视;炫目的光 23.spy vt.& vi.窥探;秘密监视;n.间谍;侦探 24.cooperation n.合作;协作 语境活用 [用所给词的正确形式填空] 1.We should overcome our weakness(weak) and fears with courage and determination.(2016·天津) 2.It is beneficial(benefit) to some people,while it puts others into a dilemma over whether to vote or not.(2016·江苏) 3.You see,a bit of respect and cooperation(cooperate) can do the job better.(2015·重庆) 4.And the best way to strengthen(strength) willpower is to make it into a habit.(2014·辽宁) 5.If she had been aware that the mushrooms were poisonous(poison),she would not have picked them for dinner.(2015·湖北) 6.They help us understand science subjects better and arouse our curiosity(curious) about scientific discoveries.(2014·浙江) 1.ought to应当;应该 2.lose weight体重减轻;减肥 3.get away with受到从轻发落;(做坏事)不受惩罚 4.tell a lie说谎 5.win...back赢回;重新获得 6.earn one’s living谋生 7.in debt欠债 8.glare at怒目而视 9.spy on暗中监视;侦查 10.cut down削减;删节 11.before long不久以后 12.put on weight增加体重 语境活用 [运用上述短语完成片段] Everyone hopes to be in good health.To keep healthy,you 1.ought to(应当) keep a balanced diet.Try to eat foods low in fat because foods containing too much sugar and fat will make you 2.put on weight(发胖) easily.Therefore,you should 3.cut down(减少) on the amount of foods rich in sugar and fat.At the same time,though you may work extra hours to 4.earn your living(谋生) it is very important to form good living habits,especially to have enough sleep. 1.否定词与比较级连用表示最高级意义 “Nothing could be better,” he thought. 他想:“再没有比这些更好(吃)的了。” 仿写 就我个人而言, 努力学习最重要。 (2016·天津) As far as I’m concerned,nothing is more important than studying hard. 2.have sb.doing sth. He could not have Yong Hui getting away with telling people lies! 他可不能让雍慧哄骗人们却不受惩罚! 仿写 我不允许你反复犯同样的错误。(2016·北京) I won’t have you making the same mistake again and again. 3.neither...nor... “According to my research,neither your restaurant nor mine offers a balanced diet,” explained Wang Peng. 王鹏解释道:“根据我的研究,你我两家所提供的都不是平衡膳食。” 仿写 我们既不应该接受漫无目的地网上投票,也不能完全否认它。(2016·江苏) Neither should we embrace online voting aimlessly nor can we deny it completely. balance n.均衡,平衡;天平,秤;余额 vt.使保持平衡;权衡;使相等,相抵 (1)When he was running after his brother,the boy lost his balance and had a bad fall. 当这个男孩追赶哥哥的时候,他失去了平衡,狠狠地摔了一跤。(2015·湖北) (2)Rich countries gain more from powerful Niňos,on balance,than they lose. 总的说来,富裕国家因强大的厄尔尼诺得到的东西要比它们失去的多。(2016·江苏) (3)I found it hard to keep my balance on the icy path. 我发现在结冰的路面上行走很难保持平衡。 (1)on balance总的说来 keep/lose (one’s) balance保持/失去平衡 off balance失去平衡;不知所措 balance...against权衡,比较 (2)balanced adj.平衡的;和谐的;安定的 balanced diet平衡膳食 [单句语法填空] (1)I was thrown off balance when the bus came to a stop suddenly. (2)Before making the final decision,you’d better balance the advantages against the disadvantages. (3)A balanced(balance) diet is important to health. consult v.咨询;请教;商量;查阅;参看 (1)If you have any doubts about your health,you’d better consult your doctor at once. 如果你对自己的健康状况有所怀疑的话,你最好马上咨询医生。(2015·天津) (2)I consulted with a friend of mine about this matter. 我就此事与我的一个朋友商量。 consult a dictionary查字典 consult sb.请教某人 consult with sb.about/on sth.就某事与某人商量 consult用作“请教;咨询;查阅”解时,是及物动词;作“商量”解时,多用作不及物动词,后跟with sb.,意为“和某人商量”。 consult,refer to,look up 三者都可以用来表示“查阅,参考”,但是其宾语有所不同: consult/refer to+a book/dictionary,etc. look up sth.in a book/dictionary,etc. [用consult,refer to,look up的正确形式填空] (1)Consult your doctor about how much exercise you should attempt. (2)Consult/Refer to the chart on Page 44 for the correct cooking times. (3)You should look up the right pronunciation of this word in a dictionary. [完成句子] (4)有关你的病情,建议你去咨询一下医生。 It is recommended that you should consult your doctor about/on your illness. (5)现在你最好去找内科医生协商一下。 Now you had better consult with a physician. limit n.界限;限度 vt.限制;限定 (1)Is there any limit to the amount of time we have? 我们的时间有没有限制?(朗文词典) (2)We must set a limit to the expense of the trip. 我们必须对此旅游费用定一个限额。 (3)He was born in a poor family,and only received a limited education in his childhood. 他出生于一个贫穷家庭,童年只接受过有限的教育。 (1)a limit to...……的限度 set a limit to/on限制…… limit...to...把……限定在……范围内 (2)limited adj.有限的 be limited to 受限于…… 基础知识训练——[单句语法填空] (1)How will you use the limited(limit) time you have? (2)I’ve been asked to limit my speech to ten minutes maximum. (3)In my opinion,taking cellphones with the students should not be banned,but limited(limit) to certain areas. 写作能力提升——[同义句改写] (4)You should limit the length of the article to 400 words or so.(改写为被动语态) The length of the article should be limited to 400 words or so. benefit v.有益于;有助于;受益 n.优势;益处;成效 (1)Many of the things we now benefit from would not be around but for Thomas Edison. 如果没有托马斯·爱迪生的话,我们现在所受益的许多东西是不会出现的。(2015·江苏) (2)I benefit a great deal from reading. 我从阅读中受益良多。 (3)The warning sign was put there for the benefit of the public. 那儿设立了警告牌以引起公众的警惕。 (1)benefit sb./sth.对某人/物有益 benefit from/by从……中受益 be of benefit to(=be beneficial to)对……有益 for one’s benefit(=for the benefit of sb.)为了某人的利益 (2)beneficial adj.有益的 基础知识训练——[单句语法填空] (1)A stay in the country will be beneficial(benefit) to his health. (2)I feel that I have benefited greatly from/by her wisdom. 写作能力提升——[同义句改写] (3)The new regulation will be of benefit to everyone concerned. ①The new regulation will be beneficial to everyone concerned.(用beneficial改写) ②Everyone concerned will benefit from the new regulation.(用benefit from改写) ③The new regulation will benefit everyone concerned.(用benefit v.改写) get away with 做了坏事而不受惩罚;受到从轻发落;携带……跑掉 (1)If you cheat in the exam you’ll never get away with it.考试作弊必予追究。(牛津词典) (2)He got down to his work after the holidays. 度假之后他开始专心工作。 get away from从……脱离;逃脱;摆脱 get across解释清楚,使人了解;传达 get over克服;恢复 get down to开始;着手 get round/around/about走动;(消息等)传开 [完成句子] (1)布朗先生是个好教练。因为他能把方法技巧讲清楚。 Mr.Brown is a good coach because he can get across the plays. (2)不要以为你撒了谎就可以这样算了。 Don’t think you can get away with telling lies. (3)他已克服了语言障碍。 He has got over the language barrier. (4)传言他已辞职。 Word got round/around/about that he had resigned. (5)他只有一个主要想法:他必须离开这个家。 One main idea possessed him:he must get away from such a home. strength n.力气;体力;强项,优势 [选词填空] (1)The solar cell can turn the energy of sunlight into electric energy. (2)If you drop something,the force of gravity will pull it to the floor. (3)He lifted the stone with all his strength. (4)The party came to power at the last election. [用strength的正确形式填空] (5)He takes exercise every day in order that he can build up his strength. (6)Repairs are necessary to strengthen the bridge. (7)She wasn’t a strong swimmer. strength,force,power,energy (1)strength指固有的潜在力量。指人时,着重指力气;就物而言,着重指强度、潜力等。 (2)force指物理学上的“力”,也指为做某事而使用的力量,还可指武力。 (3)power指行动所根据的职权或能力,有时也指有权力的人或强国。 (4)energy指物理学上的“能量”的概念或生理上的“精力”,也可指“能源”。 combine v.(使)结合,(使)联合;兼有;使融合 [单句语法填空] (1)A full man is made by combining efforts with confidence. (2)A combination(combine) of factors led to her decision to resign. (3)Hydrogen combined(combine) with oxygen can form water. (4)Combined(combine) with that big company,the small firm becomes more competitive. cut down砍倒;削减;压缩;删节 [写出下列句子中cut down的汉语意思] (1)He tried to cut down on smoking but failed.削减 (2)Cut down the article so as to make it fit the space available on the paper.删节;删减 (3)He cut down the tree and cut it up for firewood.砍倒 [短语填空] (4)My uncle hasn’t been able to quit smoking,but at least he has cut down. (5)If you don’t pay your gas bill,they will cut off the supply. (6)He had cut up the meat before his mother came back. (7)Please cut out my overcoat according to this pattern. 表示“减少;缩减”时,可用cut down,也可用cut down on。 “Nothing could be better,” he thought. 他想:“再没有比这些更好(吃)的了。” (1)Mr.Stevenson is great to work for—I really couldn’t ask for a better boss. Stevenson是一个不错的老板,我真的找不到一个比他还好的老板了。 (2)—Do you think our basketball players played very well yesterday? —They couldn’t have done better. ——你认为我们的篮球队员昨天打得很好吗? ——他们打得太棒了。 nothing could be better意为“没有比这更好的了(这是最好的)”,为否定词和比较级连用表达最高级意义。 最高级意义的多种表达法: (1)比较级+than+ (2)否定词+so/as+形容词(副词)原级+as (3)否定词+形容词(副词)比较级(+than) (4)the+形容词(副词)最高级 [一句多译] 汤姆是他班上最聪明的学生。 (1)Tom is more intelligent than any other student in his class. (2)Tom is more intelligent than any of the other students in his class. (3)Tom is more intelligent than all the other students in his class. (4)Tom is more intelligent than anyone else in his class. (5)No one is as intelligent as Tom in his class. (6)No one is more intelligent than Tom in his class. (7)Tom is the most intelligent student in his class. Ⅰ.教材与语法填空 Wang Peng felt very frustrated 1.when he saw none of his patrons(常客) would eat in his restaurant.In his opinion,nothing could be better 2.than his fried rice,barbecued mutton kebabs,roast pork or his sugary cola.Who won his customers?He followed one of his best friends into Yong Hui’s 3.newly(new) opened slimming restaurant and was amazed 4.at the menu there:rice,raw vegetables,fruit and water.It was obvious that Yong Hui was telling lies when promising to make the customers 5.thinner(thin).In order to win his customers 6.back,he went to the library to do some research,7.which showed Yong Hui’ s menu didn’t give the customers energygiving food.Having found out the weakness of Yong Hui’s menu,Wang Peng wrote his own sign,8.saying(say) energygiving food served.In fact,there was weakness in Wang Peng’s menu,too.Food at his restaurant 9.contains(contain) too much fat.So the only solution is to combine the two menus together to be 10.a balanced menu. Ⅱ.教材与短文改错 Finally,Yong Hui and Wang Peng could began to talk about menus and balanced diets in the peace.They found neither of their restaurants offer a balanced diet.So they decided to combine our ideas and provide a balanced menu with food full energy and fibre.Their balanced diets became such a success that before long Wang Peng became much slim and Yong Hui put on more weigh.After some time the two found that their business cooperations had turned into a personally one.At last they got married and lived happy ever after. 答案 Finally,Yong Hui and Wang Peng could to talk about menus and balanced diets in the peace.They found neither of their restaurants a balanced diet.So they decided to combine ideas and provide a balanced menu with food 或 energy and fibre.Their balanced diets became such a success that before long Wang Peng became much and Yong Hui put on more .After some time the two found that their business had turned into a one.At last they got married and lived ever after. Ⅲ.教材与微写作 写作素材(关于健康饮食) 1.玛丽是个胖女孩,想减肥变得苗条。 2.她没有咨询医生而是只吃生的蔬菜。 3.很快,她发现自己的精力大不如前,容易疲劳,并失去了信心。 4.后来她意识到她应该平衡饮食。 提示:黑体部分用本单元词汇表达,并且请使用who引导的定语从句。 连句成篇(将以上句子连成一篇50词左右的英语短文) Mary,who was a fat girl,wanted to lose weight to become slim.She didn’t consult the doctor and lived on raw vegetables.Soon she found she was not as energetic as before and got tired easily and lost heart.Later she realized she ought to keep a balanced diet. Ⅰ.单句语法填空 1.I can’t go to watch the football match with you tonight for I have an important meeting to attend(attend). 2.The Opera honors Enjoy the Arts membership discounts(discount).(2016·全国Ⅲ) 3.The key is to develop a balanced(balance) and varied program that’s fun as well as progressive.(2014·重庆) 4.—How’s your new babysitter? —We couldn’t ask for a better(good) one.All our kids love her so much. 5.The chances of living long are much higher due to better diets(diet) and health care.(2015·广东) 6.Some people believe that they can’t help putting(put)on weight as they get older.(2014·重庆) 7.New students are now aware that they are likely to leave university up to £15,000 in debt.(2015·全国Ⅱ) 8.As part of a healthy diet,eat more fruits and vegetables each day.(2014·辽宁) 9.The information about each word in a pocket dictionary is generally limited(limit).(2015·湖南) 10.That they could get material benefit from her never entered their minds.(2015·江苏) Ⅱ.阅读理解 A (2017·云南临沧一中月考) Today’s modern life discourages people from taking time to prepare their own meals.Eating in the car and grabbing a quick bite in a restaurant are ever more popular ways of dining.It takes a little extra effort and time to cook your own food,but it’s a worthwhile pursuit(追求)that can benefit your health,wallet and family. People across the country are waking up to the fact that the food offered by most fast food restaurants isn’t particularly healthy.While these restaurants have made attempts lately to add healthier meals to their menus,it’s still a far cry from a dish cooked with fresh ingredients(配料) and personal care. Nutritionists who study what is called “the French paradox”—meaning the fact that French people have low obesity rates despite their diet containing lots of “unhealthy” ingredients such as butter—partially account for this circumstance by the fact that many French people use fresh ingredients.Taking time to eat at a leisurely pace also helps you get better nutrition and you are less likely to pack on the pounds. Even a quick meal will usually cost at least five dollars per person at a restaurant.Compare this to the amount of pasta,vegetables or meat available for the same money at your home,and it quickly becomes apparent that the cost of eating out adds up. Experimenting with new ingredients or foreign recipes will encourage children to try new foods and learn about dishes from around the world.Many couples also find that preparing a meal together can be a romantic experience equal to dinner in a classy restaurant.Make sure to spend meal times talking and sharing events from the day and you may find it’s a great way to get to know your family better. 11.What can we learn from Paragraph 1? A.Fast food does great harm to people. B.More people prefer dining out today. C.There’re different reasons for dining out. D.Many people still approve of cooking at home. 答案 B 解析 推理判断题。从第一段可知,现代生活节奏加快。人们多选择在外就餐,而在家做饭虽然费时费力,但却值得去做,因为这有许多好处。由此可以推断出,人们在家做饭不像以往那么普遍了,即外出就餐的人数增多。故选B。 12.The underlined phrase “a far cry from” in Paragraph 2 can be replaced by “ ”. A.different from B.absent from C.equal to D.superior to 答案 A 解析 词义猜测题。从第二段的内容可知,虽然饭店努力往菜单上增加健康食品,但这依然不同于在家做饭,因为后者可以使用新鲜食材,而且可以精心烹饪,所以a far cry from 的意思是“与……大不相同”。同A项含义相近。故选A。 13.What advantage of cooking at home does the last paragraph talk about? A.Strengthen family bonds. B.Save your money up. C.Expose you to foreign cultures. D.Get children educated better. 答案 A 解析 推理判断题。从最后一段内容,尤其是“Many couples also find that preparing a meal together can be a romantic experience...it’s a great way to get to know your family better.”可知,最后一段讲的在家做饭的好处是能加强家人之间的联系。故选A。 B (2017·江西樟树中学、高安二中等六校联考) It is quite reasonable to blame traffic jams,the cost of gas and the great speed of modern life,but manners on the road are becoming horrible.Everybody knows that the nicest men would become fierce tigers behind the wheel.It is all right to have a tiger in a cage,but to have one in the driver’s seat is another matter. Road politeness is not only good manners,but good sense.It takes the most coolheaded drivers great patience to give up the desire to beat back when forced to face rude driving.On the other hand,a little politeness goes a long way towards reducing the possibility of quarrelling and fighting.A friendly nod or a wave of thanks in answer to an act of politeness helps to create an atmosphere of good will and becomes so necessary in modern traffic conditions.But such behaviors of politeness are by no means enough.Many drivers nowadays don’t even seem able to recognize politeness when they see it. However,misplaced politeness can also be dangerous.Typical examples are the driver who waves a child crossing the street at a wrong place into the path of oncoming cars that may not be able to stop in time.The same goes for encouraged old ladies to cross the road wherever and whenever they want to. Unfortunately,modern drivers can’t even learn to drive,let alone master the roadman ship.Years ago,experts warned us that the fast increase of the car ownership would demand more giveandtake from all road users.It is high time for all of us to take this message to heart. 语篇解读 本文讲述的是道路行车礼仪的话题,道路行车的礼仪正变得越来越糟糕,并介绍了一些不恰当的做法,最后提出文明行车势在必行。 14.The passage mainly talks about . A.modern drivers B.traffic jams C.good manners D.road politeness 答案 D 解析 主旨大意题。根据文章内容,特别是第二段首句“Road politeness is not only good manners,but good sense.”可知,本文主要讲的是道路礼仪问题,作者认为道路礼仪不仅是有礼貌的问题,还是良好的意识,故D项正确。 15.Troubles on the road are often caused by . A.the behaviors of the drivers B.traffic jams C.terrible road conditions D.great speed 答案 A 解析 细节理解题。根据第一段最后一句中的“...but to have one in the driver’s seat is another matter.”及第二段对司机种种不良行为的描述可知,作者认为道路麻烦是由于司机的不良行为造成的,故A项正确。 16.According to the writer,a good driver should . A.beat back when forced to face rude driving B.join in traffic stream quickly however other people feel C.be able to recognize politeness when he sees it D.encourage old ladies to cross the roads whenever they want to 答案 C 解析 推理判断题。根据第二段最后一句“Many drivers nowadays don’t even seem able to recognize politeness when they see it.”可知,作者认为司机应该具备识别道路礼貌的能力,故C项正确。 17.It is not always right for drivers to . A.master roadman ship B.encourage old ladies to cross the road C.create atmosphere of good will D.give a friendly nod to show politeness. 答案 B 解析 推理判断题。根据倒数第二段第一句“However,misplaced politeness can also be dangerous.”及最后一句“The same goes for encouraged old ladies to cross the road wherever and whenever they want to.”可知,错位的道路礼貌也是很危险的,司机不应该给随意横穿马路的老人让路,故B项正确。 Ⅲ.语法填空 (2017·四川成都经济开发区实验中学期中) Facebook CEO Zuckerberg just had a baby girl named Max,and 18.to honor(honor) the occasion,he’s giving away the majority of his wealth.In the letter written by Zuckerberg and his wife,Priscilla Chan,to their new baby girl,he announced the birth of his first child and the 19.creation(create) of the Chan Zuckerberg Fund,20.which will focus on personalized learning,curing disease,connecting people and 21.building(build) strong communities. “For your generation to live in 22.a better world,there is so much more our generation can do,” Zuckerberg wrote.“Today your mother and I are committing to spend our lives doing our small part to help solve these challenges.” The couple 23.will donate(donate) nearly all of their Facebook stock to the cause.“We will give 99% of our Facebook shares—24.currently(current) about 45 billion—to advance this 25.valuable(value) mission,” he wrote.“We know this is a small contribution compared 26.to/with all the resources and talents already working on these issues.But we want to do 27.what we can,working alongside many others.” Ⅳ.短文改错 (2017·内蒙古杭锦后旗奋斗中学摸底) As is often the case,when people are attending to meetings,having meals or waiting for buses,you can always find them addicting to their phones,completely ignoring others. This is a really common phenomena in our life.The reason is why smart phones nowadays can be used for people to play mobile games and kept in touch with friends through QQ and WeChat.Therefore,too much exposure to phones are bad for people in terms of health.Moreover,people involved in phones fail to communicate well with these around them. As far as I am concerned,people should wisely make use of their phones to help their work and study.Meanwhile,care much about their family and friends rather than mobile phones. 答案 As is often the case,when people are attending to meetings,having meals or waiting for buses,you can always find them to their phones,completely ignoring others. This is a really common in our life.The reason is smart phones nowadays can be used for people to play mobile games and in touch with friends through QQ and WeChat.,too much exposure to phones bad for people in terms of health.Moreover,people involved in phones fail to communicate well with around them. As far as I am concerned,people should wisely make use of their phones to help their work and study. Meanwhile,care about their family and friends rather than mobile phones. 28.答案 删除to 解析 attend参加,为及物动词,故删除to。 29.答案 addicting→addicted 解析 你总是会发现他们痴迷于手机。be addicted to对……上瘾。故将addicting改为addicted。 30.答案 phenomena→phenomenon 解析 这在我们的生活中是一个很普遍的现象。phenomena为复数,故将phenomena改为phenomenon。 31.答案 why→that 解析 这是因为智能手机可以被用来玩游戏等。本题考查固定句型:the reason is that...意为“……的原因是”。故将why改为that。 32.答案 kept→keep 解析 此处为and连接的两个并列的动词不定式。故将kept改为keep。 33.答案 Therefore→However 解析 然而过多使用手机对人们的健康有害。故将Therefore改为However。 34.答案 are→is 解析 too much exposure to phones作主语,谓语动词应用单数。故将are改为is。 35.答案 these→those 解析 此处应用those指代周边的那些人。故将these改为those。 36.答案 在help和their work之间加with 解析 就我个人认为,人们应该使用手机来帮助其工作和学习。help with sth.帮助某事。 37.答案 much→more 解析 与此同时,多多关注他们的家人和朋友,而不是手机。由than可知用比较级,故把much改为more。查看更多