北师大版高中英语选修7课件：Unit 21 Period Four

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1、Unit 21 Human Biology,基础自测,内容索引,要点探究,达标检测,课文预读,Period Four Communication Workshop，Language Awareness 6，Culture Corner & Bulletin Board,基础自测,.重点单词 1. adj.每周一次的 2. adj.临时的；短暂的 3. vt.使丧失；抢劫n.强盗；盗贼 4. vi.&vt.下降；减少；衰退；拒绝n.减少；下降；衰退 5. n.最低；最小 6. n.团体；公共机构,weekly,temporary,rob robber,decline,minimum,instit

2、ution,7. adv.无条件地n.条件 8. vt.使有准备；装备，配备 9. n.商行，公司 10. n.大笔钱财，巨款；命运，运气 11. n.询问vi.询问；打听 12. n.截止日期，最后日期 13. vt.&vi.提交，递交；(使)服从，(使)顺从,unconditionally condition,equip,firm,fortune,enquiry enquire,deadline,submit,14. n.担心，担忧；关心，关注vt.涉及；使担心；使关心adj.担心的；忧虑的；关注的；有关的 15. vi.表决；投票；选出n.投票；表决 16. adj.怀疑的 17. ad

3、j.不合理的；荒谬的 18. n.情形；情况,concernconcerned,vote,sceptical,absurd,circumstance,.重点短语 1. 另一方面 2. 继续活着，继续存在 3. 无论如何；至少 4. 集中，聚焦 5. 清除；整理；(天气)好转 6. 永久；永远 7. 受益于 8. 漏掉；不包括；错过(机会等),on the other hand,live on,at any rate,focus on,clear up,for good,benefit from,miss out,.重点句式 1.This is the first/second.time (th

4、at).这是第几次做 Ive broken bones before.However，this is the first time I _ (break) my leg. 我以前摔断过骨头，但是这是我第一次弄断腿。 2.before引导时间状语从句 Governments should prevent human cloning from ever happening _ we destroy ourselves. 在人类自我毁灭之前政府应采取措施阻止人类克隆的发生。,have broken,before,课文预读,.根据P40课文内容判断正(T)误(F) 1.Terri has spent

5、15 years in a coma-like state.( ) 2.Terris parents didnt believe she would recover.( ) 3.The court finally approved for the life support machines to be turned off.( ) 4.Doctors have fully understood comas and the process of recovery.( ) 5.Patients should be treated as well as possible.( ),T,F,T,F,T,

6、.根据P40课文内容选出最佳答案 1.What would happen to Terri Schiavo when her life support machines were taken off? A.She would die. B.She would become worse. C.She would come back to life. D.She would blame her husband.,答案,1,2,3,4,5,2.What was Terris parents attitude to the decision of the court? A.They were angr

7、y. B.They were satisfied. C.They didnt know what to do. D.They had to take immediate action.,答案,1,2,3,4,5,3.What caused Terri fall into a coma? A.Motorbike accidents. B.Not wearing a helmet. C.Heart trouble. D.Sleeping all the time.,答案,1,2,3,4,5,4.What about the patients when there is a minimum of h

8、arm to the brain? A.There is nothing harmful to them. B.They can often return to normal. C.They will lose all their memory. D.Their brain will become useless.,答案,1,2,3,4,5,5.What is the authors reaction to the courts decision? A.He hates the decision. B.He doesnt care about the decision. C.He is str

9、ongly against the decision. D.He is in favour of the decision.,答案,1,2,3,4,5,.根据P44课文内容判断正(T)误(F) 1.Acupuncture is a type of chemical drug.( ) 2.Western Medicine uses man-made drugs to treat illnesses.( ) 3.Western Medicine treats the body as a whole.( ) 4.Chemical drugs can be life-saving.( ) 5.The

10、Western world has always used Traditional Chinese Medicine.( ) 6.Traditional Chinese Medicine can help in the treatment of cancer.( ) 7.Western Medicine and Traditional Chinese Medicine can be used together.( ) 8.Today，no Westerners have acupuncture.( ),F,T,F,T,F,T,T,F,要点探究,Terri had fallen into a c

11、oma in 1990 when a heart attack robbed her brain of oxygen causing permanent harm. 在1990年，特里心脏病发作，大脑缺氧，造成永久性伤害，陷入昏迷状态。,重点词汇,(1)The group robbed the bank of thousands of dollars. 这个团伙抢走了那家银行数千美元。 (2)I just heard the bank where Dora works a gunman wearing a mask. 我刚听说多拉工作的银行被一个蒙面持枪的歹徒抢劫了。(2015重庆) (3)T

12、he accident robbed him his health. 那次事故剥夺了他的健康。,was robbed by,of,易混辨析 rob，steal rob盗，抢，指公然用暴力抢劫他人的所有物。rob sb. /sp.of sth. steal偷，指暗中窃取。steal sth. from sb. ，steal ones sth. 图解助记,联想归纳 “动词sb. of sth. ”的常用短语还有：sb. of sth. 提醒某人某事sb. of sth. 使某人摆脱某事sb. of sth. 控告某人犯有sb. of sth. 警告某人某事sb. of sth. 治愈某人的疾病sb

13、. of sth. 通知某人某事 单句改错 (4)When was it that you were robbed your mobile phone and purse?,remind rid accuse warn cure inform, of,.it is generally agreed that a patients chances of recovery decline the longer they stay in a coma. 通常认为病人昏迷的时间越长，康复的可能性就会下降。,decline vi.&vt.下降；减少；衰退；拒绝；n.减少；下降；衰退 decline to

14、 do sth. 拒绝做某事fall/go into (a) decline开始衰落 a decline in在方面下降/减少,(1)A great decline in young work force is likely to occur in China，for instance. 例如，中国很有可能出现年轻劳动力大量减少的问题。(2017江苏) (2)The town a decline after the mine closed. 这个镇在矿井关闭后开始衰落。 单句改错 (3)The number of tourists to the resort declined with 10%

15、 last year.,fell/went into,by,句型转换 (4)The number of robberies is declining recently. The number of robberies is recently. The number of robberies is recently.,on the decline,in decline,Theres no doubt that this will equip us to cure all sorts of illnesses，from heart disease to cancer. 毫无疑问，这将使我们具有条件

16、治愈各种疾病，从心脏疾病到癌症。,(1)equip vt.使有准备；装备，配备 equip sb. /sth. to do sth. 使某人/某物具备条件做某事 equip sb. /sth. with sth. 用某物装备某人/某物 equip sb. for (doing) sth. 使某人为(做)某事而准备；使某人具备(做)某事的条件 be equipped with配备有(表示状态) (2)equipment n.装备；器材；装置 注意：equipment是不可数名词，表示“一件设备”应为“a piece of equipment”。,(1)We want to equip our c

17、hildren with some special skills. 我们想要我们的孩子具有某些特殊技能。 (2)A good education should equip you for life. 良好的教育能让你受用终生。 (3)His work experience equipped him _(deal) with all kinds of people. 他的工作经验使他能与各种各样的人打交道。 (4)Our school much advanced bought from abroad. 我们学校配备有许多从国外购买的先进设备。,to deal,is equipped with e

18、quipment,Id like to point out that while there are some firms that do this and charge a fortune to keep the bodies frozen. 我想指出的是尽管有一些公司这样做，并且收取大笔钱财来冷冻躯体,(1)fortune n.大笔钱财，巨款；命运，运气 make a fortune发财 seek/try ones fortune碰运气 have good/bad fortune to do.有幸/不幸做 (2)fortunate adj.幸运的 (3)fortunately adv.幸运

19、地,(1)I have good fortune to work with some brilliant directors. 我有幸与一些卓越的主管共事。 (2)These two brothers decided to go to America to . 这兄弟俩决定去美国碰碰运气。 (3)You are (fortune) to have such a reasonable father. 你真幸运有这样一位通情达理的父亲。 (4) the boy was saved by two passers-by. 幸运的是，这个男孩被两个过路人救了。 单句改错 (5)He made the f

20、ortune in the London property boom.,seek/try their fortune,fortunate,Fortunately，,a,If trends continue the way theyre going，then in my opinion，yesin developed countries at any rate. 在我看来，如果照目前的趋势发展下去，会是这样的至少在发达国家是这样。,at any rate无论如何；至少, at this/that rate照这/那样下去；这/那样的话 at the/a rate of以的速度或比率；以的价格,(1

21、)At any rate，we must find time for dinner. 无论如何，我们必须抽空吃饭。 (2)Many people walk 5 kilometres an hour. 很多人步行的平均速度为每小时5公里。 (3)Were working so slowly that， ，well never finish the job. 我们干活太慢了，照这样下去，永远也干不完这个活。 句型转换 (4)The train was traveling at a rate of 100 kilometres an hour. The train was traveling 100

22、 kilometres an hour.,at an average rate of,at this rate,at a speed of,You were supposed to submit it on the 14th June. 你本应该在6月14日提交它(文章)。,(1)submit sth. to sb. 提交/呈递某物给某人 submit (oneself) to顺从；屈服 submit that.提议；认为 (2)submissive adj.服从的；顺从的；恭顺的 (3)submission n.屈服；呈送；提交,(1)I have submitted the motion

23、to the House of Commons. 我已将提议提交给了众议院。 (2)I submit that the terms are entirely unreasonable. 我认为那些条件完全不合理。 (3)When is the final date for the (submit) of proposals？ 呈交提案的最后日期是什么时候？,submission,一句多译 (4)战败的人们不得不屈服于新的统治者。 The people had to the new rulers when they lost the war. The people had to the new

24、rulers when they lost the war. The people had to the new rulers when they lost the war.,submit themselves to,submit to,give in to,.in favour but with some concerns? 支持但有一些顾虑？,(1)concern n.担心，担忧；关心，关注；vt.涉及，关系到；使担心；使关心 have no concern for.对毫不关心 concern oneself with/about sth. 关心某事；担心某事 (2)concerned a

25、dj.担心的；忧虑的；关切的；关注的；有关的 be concerned with与有关 be concerned about/for担心，关心 as far as.be concerned就而言 (3)concerning prep.关于,(1)It should be the main concern of law makers. 它应当是法律制定者最关注的。(2017天津) (2)The letter is chiefly concerned export commodities. 这封信主要是关于出口商品的。 (3)Many parents are concerned their chi

26、ldrens safety. 许多父母担心孩子的安全问题。 (4) ，every summer I stay at my uncles house in the country for three weeks. 就我个人而言，每年夏天我都会在乡下的叔叔家里待三周。(2016四川),with,about/for,As far as I am concerned,单句改错 (5)A good doctor should always concern him about the health of his patients.,himself,For starters，I vote we ban th

27、ose experiments. 首先，我赞成我们禁止(做)那些试验。,(1)vote vi.表决，投票，选出；n.投票，表决 vote for/against投票赞成/反对 vote on就投票表决 vote sb. in/out投票选出某人任职/投票免去某人的职务 vote sth. through投票通过某事 vote to do sth. 投票决定做某事 (2)put.to the vote将付诸表决,(1)That was the name students voted for after deciding that “Room 104” was too dull. 这是学生们觉得“

28、Room 104”这个名字很无趣后投票得来的名字。 (2017全国) (2)The issue was put to the vote.这一问题被付诸表决。 (3)We voted (accept) the proposal.我们投票决定接受这项提议。 (4)A proposal to merge the two companies yesterday. 两家公司合并的建议已于昨日投票通过。,to accept,was voted through,单句改错 (5)We couldnt decide who to be given the prize，so we had to vote for

29、it.,on,circumstance n.C(常用复数)情形；情况；经济状况,in/under any circumstances在任何情况下 in/under no circumstances无论如何都不；决不(置于句首时，句子要用部分倒装语序) in/under the circumstances在这种情况下；既然如此,(1)Whatever our circumstances，we generally still have dreams，hopes and desires. 无论我们处在什么情况下，我们通常仍然拥有梦想、希望和欲望。 (2015福建) (2)He isnt a reli

30、able man.Under no circumstances _. 他不是个可靠的人。你无论如何都不该把钱借给他。 单句改错 (3)Under the circumstance he felt unable to accept the job.,the money,should you lend him,circumstances,Traditional Chinese Medicine finds the cause of the sneezing and treats that to clear it up for good. 传统中医会找到打喷嚏的原因，并把它永久地治愈。,for go

31、od (and all)永远；永久 do.good(do good to.)对有好处 for ones goodfor the good of.为的利益；为好 Its no good doing.做没用。,(1)He has given up smoking for good (and all). 他永远也不吸烟了。 (2)Cuts have been made for the good of the company. 实行裁员是为了公司的利益。 (3)Exercise your health. 锻炼对你的身体有好处。 (4)It is no good (try) to talk me out

32、 of leaving. 想说服我不离开是没用的。,trying,does good to,经典句式,Ive broken bones before.However，this is the first time Ivebroken my leg. 我以前摔断过骨头，但是这是我第一次弄断腿。,This/That/It is/was the序数词time(that).是第几次做 若主句为一般现在时，从句用现在完成时；若主句为一般过去时，从句用过去完成时。 (1)It is (high) time (that) sb. did/should do sth. 到某人做某事的时候了(该句式中time前不

33、用冠词，从句谓语动词用一般过去时或“shoulddo”，should不可省略)。 (2)Itbe时间段since.自从以来已经有多长时间了。 (3)在Itbe时间点that/when.句型中，如果将it，be和连词去掉后句子仍然完整，说明是强调句型，应用连词that；如果去掉这些成分后句子不完整，应用连词when(引导时间状语从句)。,(1)It is the first time that I have seen her lose her temper. 这是我第一次看到她发脾气。 (2)It was the first time that I had got such a good cha

34、nce to go abroad for further education. 这是我第一次获得出国深造的好机会。 (3)Its high time we (leave) for the airport. 我们该去机场了。,left/should leave,单句改错 (4)It was 11 oclock that he got to the small village last night. 或It was 11 oclock that he got to the small village last night.,when, at,Governments should prevent h

35、uman cloning from ever happening before we destroy ourselves. 在人类自我毁灭之前政府应采取措施阻止人类克隆的发生。,(1)before用作连词，引导时间状语从句，除了表示“在之前”以外，还可以表示“(之后)才；不久就；不到就；以免”。 (2)句型归纳： It wont be.before.用不了多长时间就会(before从句用一般现在时) It will be.before.得过多久才(before从句用一般现在时) It wasnt.before.没过多长时间就(before从句用一般过去时) It was.before.过了多长

36、时间才(before从句用一般过去时),(1)It will be half a year before I come back. 还得再过半年我才能回来。 (2) we meet again. 过不了多长时间我们就会再见面了。 (3) he knew the news that his father died. 没过多久他就知道了他父亲去世的消息。 单句改错 (4)How long do you think it will be that I can come back?,It wont be long before,It wasnt long before,before,达标检测,.单句语

37、法填空 1.The (equip) of the library took much time and money. 2.He asked several questions (concern) the future of the company. 3.The injury may keep him out of football good. 4.The company reported a small decline its profits. 5.Twenty-one voted for it and fourteen voted it. 6.This was the last time t

38、hat I (ask) you for money.,equipment,concerning,for,in,against,had asked,7.Mr Wang was caught in a snowstorm yesterday. I have known that，and (fortunate) his new car was completely destroyed. 8.Tom caught sight of the (rob) as he ran out of the bank. 9.The chairman asked us to vote the plan. 10.It i

39、s thought he often helps the people in need.,unfortunately,robber,on,that,.完成句子 11.Its the first time that the boy (同一个外国人说话). 12.It is (high) time that (我们该上床睡觉了). 13.The more he thought like this， (越不开心) he became. 14. (没过多久就) he learned to use the computer. 15. (据说) he has donated a lot of money

40、to this school.,has spoken to a foreigner,we should go/went to bed,the more unhappy,It wasnt long before,It is said that,.课文语法填空 Traditional Chinese Medicine Traditional Chinese Medicine 16. (practice) in Asia for the last 2,500 years. It treats the body as a whole and it is 17._ (effect) while West

41、ern Medicine focuses only 18. the part of the body that is ill.The treatments 19. (use) by Traditional Chinese Medicine are 20. (complete) natural whereas Western Medicine treats illness with chemical drugs,21. can also cause severe side-effects. Although Traditional Chinese Medicine has a long hist

42、ory and proven success，,has been practiced,effective,on,used,which,completely,the Western world failed to recognise 22. benefits. So many people missed out because of 23. (ignore).However，today many Westerners are having acupuncture or 24. (encourage) their friends to see a Chinese doctor. Western M

43、edicine and Traditional Chinese Medicine complement each other，as studies continue to prove Traditional Chinese Medicines worth.Traditional Chinese Medicine deserves to get the chance to help create a 25. (healthy) world.,its,ignorance,encouraging,healthier,.微写作 写作素材(关于职业选择) 1.青少年毒品滥用已成为公众担忧的问题。 2.为

44、了禁止他们这样做，人们每年都会寻找不同的方法。 3.专家建议青少年应该用知识武装头脑，将努力学习作为自己的常规事务。 4.专家还建议青少年无论在什么情况下都不要失去信心，他们的努力不会白费的。 提示：加颜色部分用本单元词汇表达，并且请使用现在分词作状语以及倒装句等句型结构。,连句成篇(将以上句子连成一篇50词左右的英语短文),Drug abuse among teenagers has become a concern of the public.To prohibit them from doing so，people seek various ways annually.Experts suggest that teenagers should equip themselves with knowledge and make it a routine to study hard，adding that under no circumstances should they lose faith and that their efforts will not be in vain.,