高考英语大一轮复习 Unit 21 Human Biology课件 北师大选修7

1、先熟读背诵精彩句型烂熟于心核心句型升级某英文报正就“智能手机的利与弊”这一话题进行讨论。请你根据提示用英语写一篇短文给该报投稿，并就合理使用智能手机提出自己的建议。好处了解更多信息，缓解压力坏处缺少面对面交流，影响工作、学习和休息你的建议注意：1.开头已经给出，不计入总词数；2.词数100左右；3.可适当增加细节，以使行文连贯。Smartphones have become part of our daily life.【参考范文】Smartphones_have_become_part_of_our_daily_life.Wherever we are, we can see people

2、busy playing with their smartphones.Smartphones benefit us. They not only help us get information around the world more quickly and easily, but also relieve the pressures of life.However, every coin has two sides.When spending too much time on smartphones, we dont have time to communicate face to fa

3、ce with our friends or family, and our life, studies and work will be badly affected.In my opinion, we should avoid using smartphones too much except for the purpose of learning. Meanwhile，its necessary for us to take part in more outdoor activities.后临摹仿写妙语佳句信手拈来根据句仿写1.不管你做什么事情，粗心不是一个好习惯。根据句仿写2.那个足球

4、运动员在地上滚来滚去，好像腿部受了重伤。Being careless is not a good habit，_.The football player is rolling on the ground _.whatever/no matter what you doas if hurt badly in the leg.重点单词识记联想运用会书写一、核心单词1._ vt. 消化2._ vt. 滥用3._ vt. 寻找4._ adj. 每年的，一年一次的5._ vi. 满足；迎合digestabuseseekannualcater6._ vt. 款待7._ vt. 推迟；延期8._ vi. 下

5、降9._ n. 情形；情况10._ vt. 重建treatpostponedeclinecircumstancerebuild二、阅读单词1.fundamental adj. _2.circulate vi. _pulsory adj. _4.temporary adj. _5.emotion n. _6.routine n. _7.interval n. _8.enhance vt. _9.controversial adj. _10.contradict vt. _根本的；基础的循环强制性的，义务的临时的；短暂的情感，情绪常规；惯例间隔；间歇增强，提高有争议的与(其他事物)相矛盾11.vi

6、olate vt. _plicated adj. _13.interpret vt. _14.identify vt. _15.minimum n. _16.prescription n. _17.institution n. _18.extension n. _19.sceptical adj. _20.absurd adj. _违反，违背复杂的翻译，解释确定；认出，识别最低；最小处方团体；公共机构延期怀疑的不合理的；荒谬的三、拓展单词1._ vt.联合；团结；统一_ adj.团结的_ n.联合2._ vt.容忍_ n.容忍；忍受_ adj.宽容的，容忍的_ n.宽容；容忍3._ vt.反对

7、_ adj.相反的；反对的 n.反义词_ n.反方；对立面_ adj.相反的，对立的4._ vt.禁止_ n.禁止；禁令_ adj.禁止的5._ n.信心_ adj.守信的；忠实的_ adv.忠实地，真诚地6._ vt.装备；使有准备_ n.装备；装备品uniteuniteduniontoleratetolerationtoleranttoleranceopposeoppositeoppositionopposedprohibitprohibitionprohibitivefaithfaithfulfaithfullyequipequipment7._ vt.认为；提交_ n.屈从，屈服；意见

8、；提交_ adj.服从的8._ adj.荣幸的_ n.特权9._ n.大笔钱财；巨款_ adj.幸运的_ adv.幸运地_ adv.不幸地10._ vt.使丧失；抢劫_ n.抢劫犯_ n.抢劫 11._ n.& vt.担心；担忧_ adj.担心的；有关的_ prep.关于submitsubmissionsubmissiveprivilegedprivilegefortunefortunatefortunatelyunfortunatelyrobrobberrobberyconcernconcernedconcerning会积累1.“annual”相关形容词全扫描minutely 每分钟

9、的hourly 每小时的daily 每日的weekly 每周的monthly 每月的quarterly 每季度的2.表示“推迟/耽搁”的词汇postpone v. delay v.& n.hold up put off3.聚焦“状况，情况”相关名词circumstance statesituation conditionstatus4.盘点含有re-前缀的高频单词rearrange v. 重新排列recover v. 重新遮盖reconsider v. 重新考虑rebuild v. 重建reproduction n. 再生产reunion n. 重逢reconstruction n.

10、重建，复原5.“oppose”近/反义词大全reject v.拒绝object v.反对；不赞成agree v.同意disagree v.反对agreement n.同意disagreement n.不同意approve v.赞成；批准disapprove v.不赞成approval n.赞成；批准disapproval n.不赞成6.“财富”相关名词小聚fortune treasurewealth possessionproperty会应用用所给词的适当形式填空1.Our school offers good _ and you will be well _ with knowledge a

11、nd skills for your future job.(equip)2.I admire you for your _，because you can _ things which cant be _.(tolerate)3.Our parents are _ about our health.As far as Im _，we should talk with them and tell them our _.(concern)4.Several _ _ the bank of an enormous sum of money，making the largest _ of this

12、city in the last decade.But they were soon caught by the police.(rob)equipmentequippedtolerancetoleratetolerantconcernedconcernedconcernsrobbersrobbedrobbery5.As a famous saying goes，_ is strength.If _，we can overcome all the difficulties，so lets _ together.(unite)6.The students living far away from

13、 the school were strongly _ to the plan.Their _ prevented the plan from being carried out.(oppose)7.As we all know，an _ meeting is held _.(annual)8.They prepared a report for _ to the council，in which they _ that the evidence was unreliable.(submit)9.The manager has _ in his secretary，because he thi

14、nks she is _ to him and always helps him _.(faith)10.She was very _ to come into a large _，but _ she was confirmed to suffer from a deadly disease.(fortune)unionuniteduniteopposedoppositionannualannuallysubmissionsubmittedfaithfaithfulfaithfullyfortunatefortuneunfortunately.核心短语识记联想运用会书写1._ 不管多大代价2.

15、_ 遗漏；遗忘；错过机会3._ 聚焦；集中；对准4._ 立刻，马上5._ 彻底毁灭6._ 无论如何；至少7._ 徒劳，白费力气8._ 随便地，随意地at all costsmiss outfocus onstraight awaywipe outat any ratein vainat random9.get down to _10.bring up _11.clear up _12.put off _13.stop sth in its tracks _14.rob sb of sth _15.get through _开始做教育；抚养；呕吐整理；解释；澄清；放晴推迟；延期终止；消灭抢劫某人

16、某物通过(考试)；完成会积累1.“立即，即刻”全接触immediately adv. 立即，即刻instantly adv. 即刻，马上at once 立即in no time 立刻，马上in a flash 即刻right now/away 立刻straight away 立刻2.表示“开始/着手做某事”的短语精选get down to doing sthset out to do sthset about doing sthsettle down to sthstart/begin doing/to do sth会应用选用上表左栏短语填空1.He will _ the marks with

17、 an eraser.2.Its time I _ thinking about that essay.3.They have decided to _ holding the meeting because of the bad weather.4.The noise made it hard for me to _ work.5.It is raining now，but I think it will _ soon.6.Its not an easy task for you to _ a small child on your own.7.I tried to make his pea

18、ce with her，but _.8.Last week，I was _ my wallet in front of a hotel on my way home.wipe outgot down toput offfocus onclear upbring upin vainrobbed of.经典句式分析背诵仿写句型公式1：It isadj.for sbto do.教材原句It is compulsory for winners to be tested but other participants are only tested at random.获胜者要强制性地进行检查，而其他参与

19、者只是随意地检查。句型仿写_ the driving test this time.他这次或许能通过驾照考试。It is possible for him to pass句型公式2：rather than是一个并列连词，表示“而不是”教材原句The Olympic spiritthe spirit of competition which emphasises taking part rather than winninghas been violated by the desire to succeed at all costs.人们不惜任何代价想获胜的愿望违背了重在参与而不是获胜的奥林匹克

20、精神。句型仿写As students，we should try to get good results by studying hard _.作为学生，我们应当通过努力学习而非考试作弊来取得好成绩。rather than cheating in exams句型公式3：It seems n. that.“看起来是的”教材原句It seems a real pity that thousands of people who could have benefited from Traditional Chinese Medicine missed out because of ignorance.

21、很遗憾，由于无知，成千上万的人们错过了用传统中医治疗的机会。句型仿写_ you should have to spend the day at the hotel.你得在旅馆里度过一天看来是一件遗憾的事情。It seems such a pity that句型公式4：sb/sth be believed to.“某人或某物被认为是”教材原句Having killed up to 50 million people in 18 months，with a tendency to strike the young and fit rather than the old，the Spanish Fl

22、u is believed to have been the most acute epidemic in history.西班牙流感被认为是历史上最严重的流行性传染病，它在18个月内使多达5千万人丧命，并且发病的倾向为年轻力壮的年轻人而不是老年人。句型仿写The book _ several foreign languages.这本书据说已被翻译成了好几种外国语言。is said to have been translated into.语篇填空回顾补全热诵阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。The Olympic spirit has been violated

23、 by the desire to succeed at all costs.Now records 1._ (fall) in track and field due to better equipment，training and diet since the 2._ (one) Olympic Games.But we come across the issue of performance-enhancing drugs，3._ is known as doping.Some athletes who abuse the drugs risk 4._ (face) serious he

24、alth problems in later life.They seek 5._ (achieve) beyond their natural limits.It is compulsory for winnershave fallenfirstwhichfacingto achieve6._ (test) but other participants are only tested 7._ random.Whats more，“gene-therapy” will be the next big threat.In the future，athletes who have their ge

25、nes 8._ (change) might be able to do better 9._ they should be so 10._ doping and gene-therapy continue to affect the outcomes of major sporting events，the word “hero” will have lost all meaning.to be testedatchangedthanif.语篇改错回顾修正热诵文中共有10处语言错误，每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改。One of the earliest epide

26、mic on record happened about 500550 AD when then Roman emperor at the time was attempted to rebuild the Roman Empire.In the 1330s，“The Black Death”appeared in Asia，that spread rapid.Years ago，SARS breaks out.Since then，scientists had been doing trials to prevent it.Before SARS，the Spanish Flu is bel

27、ieved to have been most acute epidemic in history because of it killed 50 million people in 18 months.However，since Bird Flu first appeared in 1997，it has taken many than a hundred lives.With all the international effort being made，we have faith which there will be solutions to stop it.答案答案核 心 词 汇1.

28、seek (sought，sought) vt.寻找，寻求；追求；探求；探索；试图seek sth from sb 向某人请求/寻求某物seek after/for sb(sth) 寻求某人(某物)seek ones fortune 寻找成功(致富)的机会seek out 找出；寻出seek to do sth 试图做某事They sought _ a handy spot where they might sit down and rest.他们找到了一个方便坐下休息的地方。We seek _ (find) a way to make us get along well with the p

29、eople around us.我们试图找一种方法使我们和周围的人相处融洽。You should seek advice _ your lawyer on this matter.这件事情你应该寻求律师的建议。outto findfrom一言串记He told us that he was going to Beijing to seek his fortune and I suggested that he should seek advice from his teacher and shouldnt seek after/for comfort，personal fame or gain

30、.他告诉我们他要去北京碰碰运气，我建议他这件事情他应该请教他的老师，不要一味地贪图安逸，追名逐利。2.oppose vt.& vi.反对；反抗(1)oppose doing sth反对做某事oppose sbs doing sth 反对某人做某事(2)opposed adj. 相反的；对立的be opposed to (doing) sth 反对(做)某事；与(做)某事对立Many residents oppose/are opposed to _ (build) the motorway.It is not a wise decision.许多居民反对修建那条高速公路，那可不是个明智

31、的决定。buildingHer wealthy parents opposed/were opposed to _ (she)marrying a boy from the poor family.她那富有的父母反对她同贫寒家庭的孩子结婚。名师指津(1)oppose后跟表示动作的词作宾语时，后面要用动名词形式。be opposed to结构中，to是介词，其后也要用动词-ing形式。(2)表示“反对”的短语：be opposed to，object to，be against 等。her3.postpone vt.推迟；延期postpone doing sth 延缓做某事，推迟做某事postp

32、one sth until/to. 把某事推迟到I decided not to postpone _(study) (as I normally do！) and got up early every morning to get down to work straight away.(教材原句)我决定不推迟学习(就像我平常那样！)，而是每天早上早点起床立刻开始学习。We are postponing our trip _ the weather is fine.我们推迟旅行直到天气晴好。hibit vt.禁止，阻止It was the bad weath

33、er that prohibited their _ (go) to the science museum.是糟糕的天气阻止了他们去参观科学博物馆。goingSome people think that its necessary to prohibit peoples using mobile phones in some places.Some people think that its necessary to prohibit people _ _ mobile phones in some places.一些人认为有必要禁止人们在一些场合使用手机。 They voted in fav

34、or of the _ (prohibit) of smoking in public areas.他们投票赞成在公共场合禁止吸烟。fromusingprohibition5.decline vi.& vt.下降；衰退；谢绝n.下降；衰退一词多义写出下列句中decline的词性和含义I invited her to my wedding，but she declined my invitation._The company reported a small decline in its profits._The number of tourists to the resort decl

35、ined by 10% last month._Industry in Britain has been in decline since 1970s._v.谢绝n.下降v.下降n.衰退(1)decline to do sth 婉拒做某事decline in/of sth 在某方面减少/下降(2)on the decline 走下坡路，在衰退中fall/go into (a) decline 开始衰落，陷入衰退The number of people who run the red light has been _ the decline since the new traffic regul

36、ations came into effect.自从新的交通法规实施以来，闯红灯的人数下降了。on6.equip vt.使有准备；配备；装备(1)equip.with. 用装备equip.for sth/to do sth 为了而装备be equipped for/to do sth 为装备好；做好准备(2)equipment U 设备，设施Please equip yourself _ a sharp pencil and a rubber for the exam.请准备一支削好的铅笔和一块橡皮参加考试。They are skills which equip them _ real sit

37、uations they might face in their lives.这些技能可以让他们应付生活中可能会发生的真实状况。The hospital has recently obtained new medical _(equip)，allowing more patients to be treated.最近这家医院已经获得了新的医疗设备，允许更多的病人得到治疗。withforequipment7.submit vt.提交；递交vi.& vt.服从，屈服submit.to. 把提交给；向提出submit sb/oneself to 使某人/自己甘受，服从submit to 服从

38、于，屈服于In that case they had to submit _ (they) to his judgement.在那种情况下他们不得不服从他的判决。He _ the headmasters order finally that all teachers should _ the headmaster.他最终服从了校长的命令所有的老师都应将那份报告呈交给校长。themselves/themsubmitted tosubmit that report to名师指津在submit.to.短语中，submit是及物动词，意为“呈交，提交”；而在submit to 短语中，submit是不

39、及物动词，意为“服从，屈服”8.at all costs不惜代价地，无论如何(1)at the cost/expense of. 丧失，牺牲；以为代价at a cost of. 以的费用/价格at any cost 以任何代价(2)cost sb sth 花某人，使某人付出/丧失The Olympic spiritthe spirit of competition which emphasises taking part rather than winninghas been violated by the desire _.(教材原句)人们不惜任何代价来获胜的愿望违背了重在参与而不是获胜的奥

40、林匹克精神。to succeed at all costsThe hero saved the boys life out of the burning library at _ cost of his own life，which was put up at _ cost of one million dollars last year.英雄牺牲了自己的生命从燃烧着的去年耗资100万美元建起来的图书馆里救出了那个男孩。Its a pity that _ the other day.遗憾的是，粗心驾驶使他那天失去了生命。theacareless driving cost him his lif

41、e9.at any rate无论如何；不管怎样；反正，至少at this/that rate照此情形；如此下去at the/a rate of 以的速度或比率；以的价格If trends continue the way theyre going，then in my opinion，yesin developed countries _.如果这种趋势继续以它们现在的方式发展下去的话，我认为至少在发达国家是那样的。Were working so slowly that，_，well never finish the job.我们干得太慢了，照这样下去，永远也干不完这个活。at any rate

42、at this rateThe train was traveling _ 100 kilometres an hour.火车以每小时100公里的速度行驶。at the/a rate of重 点 句 型1.It_is_compulsory_for_winners_to_be_tested but other participants are only tested at random.获胜者要强制性地进行检查，而其他参与者只是随意地检查。(1)“It isadj.for sb to do.”结构中的形容词仅仅描述事物，不是对不定式行为者的品格进行评价。这类形容词有difficult，easy，

43、hard，important，dangerous，impossible等。Its very dangerous for children to cross the busy street.对孩子们来说，穿过繁忙的街道很危险。Nowadays _ a foreign language.现在对我们学生来说掌握一门外语是非常重要的。(2)“It isadj.of sb to do.”结构中的形容词描述不定式行为者的性格、品质。这类形容词有 kind，good，right，clever，foolish 等。_ the maths problem.你真聪明，解出了这道数学题。it is importan

44、t for us students to masterIts clever of you to work out2.The Olympic spiritthe spirit of competition which emphasises taking part rather_than winninghas been violated by the desire to succeed at all costs.人们不惜任何代价想获胜的愿望违背了重在参与而不是获胜的奥林匹克精神。(1)rather than为并列连词，意为“而不是，与其不如”，这一表达方式通常用在平行结构中，连接相同的句子成分，即

45、rather than前后两部分在成分和形式上应当一致。If you are one of them，I would say the only way to change things is by doing rather than _(complain).如果你是他们中的一员，我想说改变事情的唯一方式是做，而不是抱怨。complainingShe preferred _ (stay)at home rather than _ (go)shopping with him.她宁愿待在家里，而不愿与他去购物。(3)rather than连接两个名词或代词作主语时，谓语动词应与rather than

46、前面的词在人称和数上保持一致。Mary，rather than you，_ not finishing the work on time.是玛丽而不是你应为没有按时完成工作而受责备。to staygois to blame for当 堂 达 标.单词拼写1.The police are still _ (寻找) the men involved in last weeks robbery.2.That is why we decided to _ (推迟) the discussion.3.An increase in cars has resulted in the _ (下降) of pu

47、blic transport.4.As far as I know，the manager is strongly _ (反对) to the plan.5.Your suggestion was _ (提交) to the commission for its consideration.seekingpostponedeclineopposedsubmitted6.Smoking is _ (禁止) in public buildings or in the crowded buses.7.All the parents want to _ (装备) their children with

48、 some special skills.Thus，they can live better in the future.8.Those who know how to _ (容忍) others can naturally lead a happy hibitedequiptolerate.单句语法填空1.Its possible _ him to open a new company of his own.2.They always look for excuses to postpone _ (do) something.3.I am very much opposed to _ (permit) him to go alone.4.I have never sought _ (hide) my views.I hope you will not misunderstand me.5._ (equip) with new scientific farming methods，they have been able to use less farmland than before.6.We ca