1、Section Discovering Useful Structures & Listening and Talking基础知识 预习自检.重点词汇1compete (vi.) 竞争；对抗competition (n.) 竞争；比赛competitor (n.) 竞争者；对手2million (num.) 一百万millionaire (n.) 百万富翁3make_sense 有道理；合乎情理；表述清楚4pretend_to_do_sth. 假装做某事5even_if/though 即使；虽然.教材原句1By the way, our school soccer team won at la
2、st, _ (不是吗)？(教材P40)答案：didnt they2The Sports Day is coming soon, _ (是吗)？(教材P40)答案：isnt it3They need some volunteers, _ (是吗)？(教材P40)答案：dont they4An athlete should _ (尽他/她的最大努力) to win.(教材P41)答案：do his/her best5Good sportsmanship is _ (更重要) than winning！(教材P41)答案：more important6An athlete should think
3、about honour and his/her fans if he/she _ (为而比赛) his/her country.(教材P41)答案：is competing for7Im sorry, but _ (我不同意)(教材P41)答案：I disagree/dont agree8A soccer player shouldnt _ (假装摔倒) even if it helps his/her team.(教材P41)答案：pretend to fall down9It is wrong to pay people _ (数百万元) to play sports.(教材P41)答案
4、：millions of yuan10I see what you mean, but the audience wants _ (公平比赛)(教材P41)答案：fair play重点知识 合作探究1compete vi. 竞争；对抗(教材P41)归纳拓展(1)compete in 参加比赛；在方面竞争compete for 为而竞争compete with/against . for 为争取而与对抗/竞争(2)competition n. 比赛；竞争competitive adj. 竞争的；有竞争力的competitor n. 竞争者；对手Many competitors_compete_i
5、n the game for the gold medal every year.每年都有很多选手参加这个比赛角逐金牌。Young children will usually compete_for their mothers attention.小孩通常都会在母亲面前争宠。Life is like a long race where we compete_with others to go beyond ourselves.生活就像一场长跑比赛，我们在比赛里和他人竞争以超越自己。Nobody can entirely keep away from this competitive world
6、.没有人能够完全远离这个充满竞争的世界。(1)单句语法填空Those who have passed the examination are qualified to compete _ a post.I want to prove that I can be just as good as, if not better than, my _ (compete)He will be banned from international _ (compete) for four years.答案：forcompetitorscompetition(2)单句写作我写信邀请你参加中国的剪纸艺术展。Im
7、 writing to invite you to _ Chinese papercutting art exhibition.我们可以和来自其他大学的学生在辩论比赛中竞争。We can _ students from other universities in debate contests or speech contests.答案：compete incompete with2make sense有道理；合乎情理；表述清楚(教材P41)归纳拓展(1)make sense of 理解；明白(2)in a sense 在某一方面；就某种意义来说in no sense 决不(3)There i
8、s no sense in doing sth. 做没意义This sentence just doesnt make_sense,_no matter how you read it.无论你怎样读这个句子，它还是讲不通。As far as Im concerned, there_is_no_sense_in_getting upset about it now.就我而言，现在为这事苦恼是没有意义的。In_no_sense should you lose heart; keep trying and you will make it sooner or later.你决不应该灰心丧气；继续努力
9、，你迟早会成功的。I cant make_sense_of the poem.我不能理解这首诗。(1)单句语法填空Provided you didnt try to make sense _ it, it sounded beautiful.Theres no sense in _ (worry) about his safety.答案：ofworrying(2)一句多译这个材料我读了几遍了，但就是不明白。I have read the material several times, but it just cant _ me.I have read the material several
10、times, but I just cant _ it.答案：make sense tomake sense of3pretend vi.& vt. 假装；装扮(教材P41)归纳拓展pretend to ben./adj. 假装是pretend (not) to do sth. 假装(不)做某事pretend to be doing sth. 假装正在做某事pretend to have done sth. 假装已经做了某事pretendthat . 假装I was nervous but pretended_not_to_be,_in order to leave a nice first
11、impression on the interviewer.我很紧张，却假装不紧张，为了给面试官留下一个好的第一印象。He pretended_not_to_know how to play the piano.他假装不知道怎样弹钢琴。She pretended_to_be_doing her homework when the teacher came in.当老师进来的时候，她假装正在做作业。When his mother entered his room, he pretended_to_have_fallen_asleep.当他的妈妈走进他的房间时，他假装已经睡着了。I had bee
12、n lying to myself, pretending_that_everything_was_fine.我一直在对自己撒谎，假装一切都很好。单句写作The children _ (假装是) tigers.When I came in, he _ (假装正在打字)Jim _ (装作已经解决了) the difficult problem and left the company.I cant _ (假装) I understand electronic music.答案：pretended to bepretended to be typingpretended to have solve
13、dpretend that4A soccer player should not pretend to fall down even_if it helps his/her team.一个足球运动员不应该假装跌倒，即使这对他/她的球队有帮助。(教材P41)剖析本句为主从复合句，含有even if引导的让步状语从句。归纳拓展even ifeven though意为“即使，纵然，虽然”，引导让步状语从句，从句常用一般现在时代替将来时。Even_if/though I fail this time, I will try again.即使这次失败了，我也会再次尝试。They wont go to t
14、he party even_if/though (they are) invited.即使受到邀请，他们也不会去参加那个聚会。师点津even if的易混短语为as if。as ifas though意为“好像”，引导方式状语从句和表语从句。选词填空(even if/as if)_ he suffered from a lot of difficulties, he never gave in.They completely ignore these facts _ they never existed. You can still go out for a good meal _ you ar
15、e on a fairly strict diet.答案：Even ifas ifeven ifGrammar反意疑问句完成下列反意疑问句1Dont forget to pay your income tax, _？答案：will you2Frank hardly goes to parties, _？答案：does he3They need some volunteers, _？答案：dont they4There is little we can do about it, _？答案：is there5I dont suppose anyone will volunteer, _？答案：wi
16、ll they6You never told me that you had been ill, _？答案：did you反意疑问句又叫附加疑问句，它表示提问人的看法，没有把握，需要对方证实。 反义疑问句由两部分组成：前一部分是一个陈述句，后一部分是一个简短的疑问句，两部分的人称时态应保持一致。如果前一部分用肯定式，后一部分用否定式；反之，前一部分为否定式，后一部分要用肯定式，即“前肯后否，前否后肯”。(一)简单句中的反义疑问句1当陈述部分是“there be主语其他”结构时，反意疑问部分要用“be (not)there”结构。There are some bananas in the bas
17、ket, arent_there?篮子里有一些香蕉，是吗？2当陈述句部分有情态动词must时，反意疑问部分有三种情况(1)must表示“必须，禁止”时，反意疑问部分要用must (mustnt)You mustnt stop your car here, must_you?你不能把车停在这里，明白吗？(2)must表示“有必要”时，反意疑问句部分要用neednt.They must finish the work today, neednt_they?他们今天必须完成这项工作，是吗？(3)当must用来表示对现在的情况进行“推测”时，反意疑问部分要根据must后面的动词采用相应的形式。He m
18、ust be good at maths, isnt_he?他数学一定学得很好，是吗？3当陈述部分是everyone/everybody, someone/somebody, no one/nobody, none等表示人的不定代词时，反意疑问句部分的主语多用they，但也可用he；当陈述部分的主语是everything, anything, something, nothing等表示物的不定代词时，反意疑问句部分的主语用it。Nobody came when I was out, did_they?我在外时，没人来过，是吗？Everything has gone wrong today, h
19、asnt_it?今天所有事情都出问题了，是吗？4当陈述部分有hardly, scarcely, barely, rarely, seldom, few, little, no, never, nothing, nobody, nowhere等否定词或半否定词时，反意疑问句部分要用肯定形式。名师点津如果陈述句部分是带有否定前缀或后缀时，反意疑问句部分仍用否定结构。Its impossible for him to make such a mistake, isnt_it?他不可能犯这样的错误，是吗？5当陈述部分有情态动词ought to时，反意疑问句部分要用ought/should (ought
20、nt/shouldnt)；如陈述部分为情态动词used to，反意疑问部分可用usednt或didnt；如陈述部分为had better，反意疑问部分用hadnt或shouldnt。Such things ought not to be allowed, ought_they?这种事是不允许的，是吗？Youd better do it by yourself, hadnt/shouldnt_you?你最好自己做，好吗？6当陈述句部分是I am . 时，反意疑问句部分通常要用arent I；如陈述句部分的主语是I am not时，反意疑问句部分通常要用am I。Im late for the m
21、eeting, arent_I?我开会迟到了，是吗？Im not doing well, am_I?我做得不好，是吗？(二)祈使句和感叹句中的反意疑问句1Let开头的祈使句，构成反意疑问句时，除Lets用shall we构成反意疑问句外，其他均用will you.Let the boy go first, will_you? 让这个男孩先走，可以吗？Lets take a walk after supper, shall_we?我们晚饭后散步吧，好不好？2祈使句的肯定形式，其反意疑问句表示“请求”时，通常用will you；表示“邀请，劝说”时，用wont you。Be sure to wri
22、te to us, will_you?一定要给我们写信，好吗？Come to have dinner with us this evening, wont_you?今晚来和我们吃晚饭，好吗？3祈使句的否定形式，其反意疑问句通常只用will you构成。Dont smoke in the meeting room, will_you?不要在会议室抽烟，好吗？4变异祈使句，即句首为一呼语，后接第二人称代词引导的一个一般现在时的陈述句，这时，我们应将其视为无主语的祈使句结构，反意疑问句部分要用will you构成。Mike, you take all these tables out of the
23、next room, will_you?迈克，你把所有的这些桌子搬出隔壁房间，好吗？5感叹句的反意疑问句一律使用否定式，并用be的一般现在时形式。What a foolish child (he is), isnt_he?他是多么无知的一个孩子呀，是吗？(三)并列句中的反意疑问句当陈述句是由并列连词and, but, or, for, so等连接的两个并列分句组成时，反意疑问句部分一般与最接近的分句保持一致，也就是说，对后一分句进行反问。He was a lazy child, and he didnt pass the exam, did_he?他很懒，没有通过考试，是吗？(四)复合句结构中
24、的反意疑问句1在宾语从句中，如果陈述句部分是“I think (believe, suppose, imagine, expect等)宾语从句”， 反意疑问句部分应与宾语从句的主谓保持一致，并要注意否定转移。I dont think you have heard of him before, have_you?我认为你之前没有听说过他，是吗？名师点津当think等这些动词的主语不是第一人称，或主语是第一人称，而动词时态不是一般现在时，这时，反意疑问句的助动词和人称代词要与主句保持一致。Mary thinks you will come to the party, doesnt_she?玛丽认为
25、你会来参加派对，是吗？2一般情况下，陈述句部分是主从复合句时，反意疑问句部分的代词和助动词应与主句中的主语和动词保持一致。This is the second time that he has been to Japan, isnt_it?这是他第二次来到日本，是吗？当陈述句部分为主语从句时，反意疑问句的主语用it。That he didnt pass the entrance exam made his parents very angry, didnt_it?他没有通过入学考试，这使得他父母很生气，是吗？对反意疑问句的回答，无论问题的提法如何，如果事实是肯定的，就用yes，事实是否定的，就
26、要用no。要特别注意陈述句部分是否定结构，反意疑问句部分用肯定式提问时，回答yes或no与汉语正好相反。这种省略回答的yes要译成“不”，no要译成“是”。He likes playing football, doesnt he?Yes, he does./No, he doesnt.他喜欢踢球，不是吗？不，他喜欢。/是的，他不喜欢。His sister didnt attend the meeting, did she?Yes, she did./No, she didnt.他妹妹未出席会议，是吗？不，她去了。/是的，她没去。单句语法填空People shouldnt drop litter
27、 on the pavements, _ they?You found the key in the bedroom, _ you?Youd better change your wet skirt, _ you?Everybody knows the answer, dont _？He was punished because he violated the regulation, _ he? _ wasnt enough time at that moment, was there?Lets go for a walk, _ we?Jenny _ think that Robert is
28、honest, does she?The problem _ difficult for him, wasnt it?Some plants never blossom, _ they?答案：shoulddidnthadnt/shouldnttheywasntThereshalldoesntwasdo学习效果 随堂演练.单词拼写1The debate was televised in front of a live _ (观众)答案：audience2(2018北京高考)Humans produce more than 300 _ (百万) tons of plastic every year
29、.答案：million3We _ (假装) that nothing had happened.答案：pretended4Several companies are _ (竞争) for the contract.答案：competing5Magic is used to _ (欺骗) your eyes and feeling! 答案：cheat.选词填空1On the face of it, that seems to _. But the figures dont add up.答案：make sense2They said I should _ boys.答案：compete with
30、3The programme was viewed on television in _ homes.答案：millions of4We will manage to accomplish the task in time _ it is difficult.答案：even though5We must not _ know when we do not know. 答案：pretend to.单句写作1看到公正比赛对于观众来说很重要。It is important for audience to watch _. 答案：fair play2我们不赞同在一天内就实现这些目标。We cannot
31、 _ the idea that these aims can be attained only in one day. 答案：agree with3玛丽试着在考试中作弊但她被捉住了。Mary _ in the exam but she was caught. 答案：tired to cheat4我认为做正确的事情比拿到奖牌更重要，对吗？I think its more important to do the right things than to get a medal, _？答案：isnt it5我们应该为自己的荣誉而继续比赛。We should go on playing for _.
32、答案：our own honour课后课时作业完形填空If you have been to Harbin in winter, but didnt have a _1_ to see people do winterswimming, I am sure you will feel its a(n) _2_. Can you imagine swimming in a river with the temperature being about 10 degrees below zero? This would be _3_ to the people from the South. If
33、you were on the Songhuajiang River, you could not help _4_ those brave swimmers.I felt greatly excited as well as _5_ when I first saw the winterswimming, though it was very cold that day, the swimmers were only wearing _6_ clothes, while all the people watching were having heavy clothes covering al
34、l their bodies with only two _7_ visible. I had thought that the river was warm, but it _8_ much cold when I dipped my hand into the river water. What excited me most was the way they _9_ into the river from the high iceplatform and the styles in which they swam, _10_ butterflystroke and backstroke.
35、My uncle has been _11_ about winterswimming for several years. Now he is a member of the Winter Swimming Club. Once I asked him, “Arent you afraid of cold? Have you got a _12_ from it？” Smiling, he said, “_13_ we have a strong will, we can surely overcome any _14_ and difficulties. I havent got a co
36、ld at all. On the contrary, I have become _15_ than I was before.” Thats true, he _16_ suffer from bronchitis. However, since he began to like swimming, he has been fully _17_ from the disease.Today, more and more people are _18_ joining in the winterswimming, including women and children. This acti
37、vity shows the great _19_ and strong will of the people in Harbin which I think is just what we _20_ in our work and study as well.篇章导读：本文是一篇记叙文。文章讲述了在哈尔滨有越来越多的人积极参加冬季游泳活动。1A.partner BcarCchance Dplan答案：Chave a chance to do sth. 固定短语，“有机会做某事”。故选C。2A.failure BpityCdisadvantage Dwonder答案：B根据上文“If you
38、have been to Harbin in winter, but didnt have a _1_ to see people do winterswimming”可知，我相信你会觉得很遗憾。故选B。3A.unforgettable BhopefulCvaluable Dunbelievable答案：D根据上文“Can you imagine swimming in a river with the temperature being about 10 degrees below zero？”可知，这对南方人来说是难以置信的。故选D。4A.admiring BencouragingCche
39、ering Dsupporting答案：A如果你在松花江上，你会情不自禁地羡慕那些勇敢的游泳者。故选A。5A.surprised BregretfulCdoubtful Dfrightened答案：A当我第一次看到冬季游泳时，我感到既兴奋又惊讶。故选A。6A.thin BworkingCswimming Dshort答案：C根据下文“while all the people watching were having heavy clothes covering all their bodies with only two _7_ visible”对比可知，虽然那天很冷，但游泳的人只穿了泳衣。故
40、选C。7A.ears BhandsCfeet Deyes答案：D因为天很冷，所有观看的人都穿着厚厚的衣服，只露出两只眼睛。故选D。8A.seemed BfeltCtasted Dremained答案：B我以为河水很暖和，但当我把手伸进河里时，却感到很冷。故选B。9A.walked BdivedCrushed Dfell答案：Bwalk “行走”； dive “跳水”； rush “冲”； fall “倒下”。根据文中的“the high iceplatform”可知，最令我兴奋的是他们从高高的冰台上跳入水中的方式，以及他们游泳的姿势，如蝶泳和仰泳。故选B。10A.such as Babove
41、allCfor example Dapart from答案：Asuch as “例如”； above all “首先”； for example “例如”； apart from “除了”。for example作“例如”讲时，一般只以同类事物或人中的“一个”为例；而such as作为“例如”讲，用来列举同类人或事物中的几个例子。这里指的是同类事物中的两个例子。故选A。11A.worried BconcernedCcrazy Dnervous答案：Cworried “担心的”； concerned “关心的”； crazy “疯狂的”； nervous “紧张的”。我叔叔酷爱冬季游泳已有好几年
42、了。be crazy about固定短语，“对非常喜欢”。故选C。12A.medal BprizeCfever Dcold答案：Dmedal “奖章”； prize “奖品”； fever “发热”； cold “感冒”。根据下文“I havent got a cold at all.”可知，你感冒过吗？故选D。13A.Even if BEven thoughCAs long as DEver since答案：Ceven if “即使”； even though “即使”； as long as “只要”； ever since “从那时起”。只要我们有坚强的意志，我们一定能克服任何恐惧和困难
43、。故选C。14A.dangers BfearsCrisks Dshortcomings答案：Bdanger “危险”； fear “害怕”； risk “冒险”； shortcoming “缺点”。只要我们有坚强的意志，我们一定能克服任何恐惧和困难。故选B。15A.younger BhappierCheavier Dhealthier答案：D根据上文“I havent got a cold at all.”可知，相反，我比以前更健康了。故选D。16A.started to Bcame toCused to Dcontinued to答案：Cstarted to “开始”； came to “总
44、计”； used to “过去常常”； continued to “继续”。他过去患支气管炎。故选C。17A.recovered BfreedCprevented Dseparated答案：Arecover “恢复”； free “释放”； prevent “阻止”； separate “分开”。自从他开始喜欢游泳以来，他的病已经完全恢复了。故选A。18A.actively BformallyCgladly Dregularly答案：Aactively “积极地”； formally “正式地”； gladly “高兴地”； regularly “有规律地”。越来越多的人积极参加冬季游泳，包括
45、妇女和儿童。故选A。19A.kindness BdeterminationCintelligence Dcourage答案：Dkindness “善意”； determination “决心”； intelligence “智力”； courage “勇气”。这项活动展示了哈尔滨人民的极大的勇气和坚强的意志。故选D。20A.expect BneedCdream Dtrain答案：Bexpect “期望”； need “需要”； dream “梦想”； train “训练”。我认为这正是我们工作和学习所需要的。故选B。阅读理解Basketball Statistician Help Wanted
46、The Athletic Department is looking for students to help assist staff during the Fall 2016, Winter 201617 and Spring 2017 semesters. Students in this position will be keeping live statistics during basketball games. Students must meet all of the following requirements：Good computer skillsAvailable ev
47、enings and weekendsKnowing basketball rules and statisticsStudents interested in working for the Athletic Department should contact the Athletic Coordinator at their respective (各自的) campuses.TP/SS Athletic Coordinator, Michael Simone, 2405671308Rockville Athletic Coordinator, Jorge Zuniga, 24056775
48、89Springfield Athletic Coordinator, Gary Miller, 2405672273Germantown Athletic Coordinator, Gauri Chavan, 2405676915篇章导读：本文是一则招聘广告。文章介绍了体育部招聘篮球比赛现场记分员的要求及联系人信息。1When will the job start?AIn May 2016. BIn May 2017.CIn September 2016. DIn September 2017.答案：C细节理解题。由文章第一句可知，工作从2016年秋天开始，所以C项正确。2Who is mo
49、re likely to get the job?ASam, English major, member of the college basketball team.BJudy, IT staff with night classes, childrens basketball team coach.CTed, computer major, basketball fan, free on evenings and weekends.DMolly, parttime programmer, high school basketball player, new mother.答案：C细节理解题
50、。根据文中的招聘条件“Good computer skills”； “Available evenings and weekends”； “Knowing basketball rules and statistics”可知，Ted满足条件，更有可能得到这个工作，所以C项正确。3Whom should you contact if you want to apply for the job in Rockville?AMichael. BJorge.CGauri. DGary.答案：B细节理解题。根据文中的“Rockville Athletic Coordinator, Jorge Zunig
51、a”可知，如果申请在Rockville的工作需要与Jorge联系，所以B项正确。1staff n. 全体职员2statistic n. 统计量；统计数据1in this position 在这个职位2the following 接下来的语法填空Sports are the base of my life, next to my mother _1_ raised me when my dad left us. I _2_ (be) into sports since I was six years old. I have known many _3_ (coach) and heard hun
52、dreds of their tips, but they usually _4_ (focus) on drills (训练) to develop my skills and reach the next level of play.When I was in Senior Two, I met the new school basketball coach, Brian Pawlowski. I thought I was certain to _5_ (select) for the school team since I had been in it the year before.
53、 I showed up to the tryouts (选拔赛) and put out about 90% effort since I thought Id make _6_ with no problem. That was a big mistake.Brian Pawlowski is the _7_ (hardworking) coach I have ever met. He didnt expect 100% effort, but he expected 200% effort. Some think this is crazy, _8_ it isnt. After _9
54、_ (train), as we were getting a cup of cold water to drink, I said, “Mr Pawlowski, your lesson was the best I ever had.” I was _10_ (complete) sincere. He expects us to be excellent not just lost on the court but in the classroom. If I am not working on basketball, I am reading a book that he thinks
55、 will help us better understand lifes challenges.1_2._3._4._5_6._7._8._9_10._篇章导读：本文是一篇记叙文。文章讲述了作者在高中时期遇到的篮球教练，他对作者要求严格，对作者影响很大。1who/that考查定语从句的引导词。此空引导定语从句，修饰先行词my mother，指人，且引导词在定语从句中作主语。故填who/that。2have been考查动词的时态。since作“自从”讲，从句用一般过去时，主句常用现在完成时。3coaches考查名词。设空处前有many修饰，名词要用复数形式，coach是以ch结尾的名词，变复
56、数时在词尾加es。故填coaches。4focused考查动词的时态。句意：我认识很多教练，听过他们很多建议，但是他们通常只注重训练，提高我的技能，使我达到更高一级水平。根据句意可知，应用一般过去时，故填focused。5be selected考查被动语态。主语I与select之间为逻辑上的被动关系，应用被动结构，故填be selected。6it考查固定搭配。make it为固定搭配，意为“做到；成功”。7most hardworking考查形容词的最高级。此处指他是“我”见过的工作最努力的教练。定语从句I have ever met修饰先行词coach，根据句意可知此处应用最高级形式。8b
57、ut考查连词。句意：一些人认为这很疯狂，但是并不是这样的。根据句意可知，此处表示转折。故填but。9training考查非谓语动词。介词后应跟v.ing形式。故填training。10completely考查词性转换。空后的sincere是形容词。故此处应用副词修饰形容词。概要写作阅读下面短文，根据其内容写一篇60词左右的内容概要。Nowadays the business of fast food is developing at a rapid speed. Have you ever thought twice before deciding to eat fast food? Even
58、 if it is easy to buy and cheap, the risks outweigh (胜过) the five minutes of satisfaction that fast food brings. There are many risks when it comes to eating food thats made in just a few of seconds.What you eat can affect your health. People who are addicted to fast food are more likely to suffer f
59、rom various lifethreatening diseases. Obesity (肥胖) can come when fast food is bought often. Fast food is made from a lot of fats and high calories. If it isnt removed, then you can grow to become obese. Even a small quantity of fast food contains many calories. People are fooled by its appearance an
60、d they tend to eat more. Thus, without knowing, they consume a lot of calories. Whats worse, obesity isnt the only risk. Heart disease is also a danger. The more fats, sugar and salt you eat, the weaker your heart can grow.Another concern for most consumers is that they cant keep track of the source
61、s of the food supplies in fast food restaurants. They never know about the living conditions of the animals killed for meat in those restaurants, like cows, pigs, and chicken. A recent study has suggested that bacteria have been found in about 38% fast food. Even some soft drinks are now infected by
62、 foodborne illnesses that usually come from meat.Although fast food is one of the easiest and cheapest ways of eating, the health risks arent worth your life, and risking your life for something that isnt good for you could cost thousands of dollars in hospital bills. It is important to eat healthil
63、y and make good choices when deciding what to put in your body. Dont be lazy and pick up fast food on your way home from work. 写前导读：本文是一篇说明文。如今，快餐行业正在快速发展。快餐对人健康有影响，因而导致严重疾病。另一个让大多数消费者担心的问题是，他们无法跟踪快餐店食品供应的来源。但是，健康饮食是很重要的，因此，在决定要吃什么食物的时候，要做出正确选择。精彩范文Despite its popularity, fast food is the origin of
64、various risks. (要点1) Fast food has a negative influence on peoples health leading to serious illnesses, like obesity and heart disease. (要点2) Besides, the sources of fast food can be another potential health threat for its consumers. (要点3) Considering the risks, it is essential to keep a healthy diet and make careful choices before eating. (要点4)