高中英语人教版 (2019)选择性必修 第二册Unit 1 Science and Scientists说课课件ppt

这是一份高中英语人教版 (2019)选择性必修 第二册Unit 1 Science and Scientists说课课件ppt，共53页。
Sectin Ⅰ　Reading and Thinking (1)
Ⅰ. 在括号里写出黑体单词在句中的含义。1. The rare disease is s severe(　　) that it has caused many deaths.2. In rder t avid the infectin(　　) frm thers, we shuld wear a mask when ging ut.3. New prf(　　) shuld be fund t identify the real surce f the disease.4. Thrugh bservatin, the experts suspect (　　) that the water frm the well might be dangerus.
5. Plice are blaming (　　) the accident n dangerus driving.6. Tm culdn’t pen the dr, fr the handle (　　) went wrng.7. The hrse was almst pure (　　) white in clur.8. The new slutin led t a huge decrease (　　) in the number f COVID-19 victims.9. Althugh black and white are cntradictry (　　) in clur, they can smetimes match each ther very well.10. Mney can’t be regarded as a link (　　) between happiness and sadness.
答案: 1. 十分严重的　2. 感染　3. 证据　4. 怀疑 5. 把……归咎于　6. 把手　7. 纯的　8. 减少 9. 对立的　10. 联系;纽带
Ⅱ. 短语含义匹配。(　　)1. die frm(　　)2. in time(　　)3. nce and fr all(　　)4. in general(　　)5. be determined t d(　　)6. be t blame(　　)7. as a result f (　　)8. thanks t(　　)9. attend t (　　)10. subscribe t
A. 及时;最终B. 应当负有责任C. 总的说来D. 同意;赞同E. 照料F. 幸亏;由于G. 下决心去做H. 最终地;彻底地I. 由于J. 死于
答案： 1. J　2. A　3. H　4. C　5. G　 6. B 7. I 8. F　9. E　10. D
Ⅲ. 根据句意及汉语提示写出正确单词。1. The daily lives f the villagers were badly affected by the 　　　　______ (极为恶劣的) weather.  2. What he said tday was quite ______　(相互矛盾的) t what he stated at the meeting. 3. Air, water, clthing and insects are all pssible means f ______ (感染) at the present time. 4. The bld n his shes was a ______ (证据) f his guilt. 5. Senir students have ______ (多种多样的) chices in the face f deciding which subjects t learn.  
6. Chinese digital ecnmy is grwing faster as mre and mre ______ (家庭) lve t chse between fixed, mbile and Internet services. 7. The custms fficial ______ (怀疑) the man f carrying drugs and began ging thrugh his suitcase. 8. Msquites are t ______ (责怪) fr many diseases, Ebla included. 9. The warming f the earth is the reasn fr the ______ (减少) number f many species in the sea. 
答案: 1. severe　2. cntradictry　3. infectin4. prf　5. multiple　6. husehlds　7. suspected 8. blame　9. decreasing　10. transfrming
10. Smartphnes are ______ (使改变形态) the way peple spend their time.
Ⅳ. 完成句子并背诵。1. 在英国医生约翰·斯诺向人们展示如何战胜霍乱之前,霍乱曾是世界上最令人恐惧的疾病之一。Chlera ______ ______ ______ ne f the mst feared diseases in the wrld, until a British dctr, Jhn Snw, shwed hw it culd be vercme. 2. 后来,他成了一位名医,甚至照料分娩的维多利亚女王。______ ______, he rse t becme a famus dctr, and even ______ ______ Queen Victria when she gave birth.
3. 关于霍乱的蔓延方式,当时医生大体上有两种截然不同的看法。______ ______, dctrs in thse days had tw cntradictry theries t explain hw chlera spread. 4. 斯诺赞同第二种看法。Snw ______ ______ the secnd thery. 5. 他决定要找出其中的原因。He ______ ______ ______ find ut why. 6. 斯诺怀疑水泵就是罪魁祸首。Snw suspected that the water pump ______ ______ ______.　　　　　
7. 于是,他让人拆掉了水泵的把手,这样水泵就用不成了。Accrdingly, he had the handle f the pump remved ______ ______ it culd nt be used. 8. 幸运的是,由于约翰·斯诺的努力,我们现在知道了如何预防霍乱。Frtunately, we nw knw hw t prevent chlera, ______ ______ the wrk f Jhn Snw. 
答案: 1. used t be　2. In time　attended t3. In general　4. subscribed t 5. was determined t　6. was t blame 7. s that　8. thanks t
Activity 1: 学习理解Step 1: Lk at the title “JOHN SNOW DEFEATS ‘KING CHOLERA’” f the text.1. What might be the prfessin f Jhn Snw?   2. What des “King Chlera” refer t?  3. What might the text mainly tell us?  
答案: 1. A dctr.2. A serius disease. 3. The text might mainly tell us the stry f hw Jhn Snw vercame (the prblem caused by) the serius disease “King Chlera”.
Step 2: Read the text and the fllwing answers, and then write dwn the questins yu wuld ask in the blanks. Yu can d this with yur partner and tell each ther yur reasns fr yur answer.1. Q: What   ?  A: Millins f peple died frm the disease.2. Q: Hw   　?  A: He marked n a map the exact places where all thse wh died had lived.3. Q: Why  　 ?  A: Snw transfrmed the way scientists study diseases by using maps and statistics.
答案: 1. happened when chlera brke ut in the early 19th century2. did Jhn Snw begin his investigatin3. is Snw cnsidered the father f mdern epidemilgy
发问 在阅读过程中,我们不免会对文章内容有所质疑和深思。因此,在读完部分篇章后提出问题是培养阅读理解能力的一项重要技能。这可以让我们进一步加深对文章内容的理解,培养个人的批判性思维,从多个角度、多个层面来理解文章内容。 发问时,不要拘泥于形式,可以是细节,也可以是文章主题等。要经常发问,久而久之,我们应对各种题型可能就会游刃有余。
Step 3: Read the text again and chse the best answers.1. What des the first paragraph mainly tell us?A. The mst feared disease in the wrld.B. The general backgrund f Jhn Snw’s study.C. Snw’s service t Queen Victria.D. The victims f chlera.2. What can we knw frm Snw’s map?A. N death happened in Huse N. 37.B. The mst deaths were in Huse N. 16.C. Peple n Cambridge Street were all lucky.D. N. 21 husehld didn’t use the water pump.
3. Why did Snw have the handle f the pump remved?A. T try anther way fr water.B. T change it fr a new ne.C. T cut ff the surce f the germs.D. T save the wman and her daughter.4. Hw did Snw further prve his idea?A. He shwed a link between chlera cases and water.B. He asked peple t drink the water frm Thames.C. He had the water frm the Brad Street pump infected.D. He prved biled water wuldn’t lead t chlera.
5. What is the influence f Jhn Snw’s effrts?A. Water quality has gt imprved.B. The threat f chlera has stpped.C. The way t prevent chlera is fund.D. N mre victims died frm chlera.
答案: 1. B　2. D　3. C　4. A　5. C
Activity 2: 应用实践　　After reading this text, talk abut yur pinin abut Jhn Snw.        
答案: Jhn Snw is an excellent scientist, wh wins my sincere respect. He sets us an example n hw t practise ne’s idea, especially in scientific research, which is based n investigatin and experiments.
Activity 3: 迁移创新　　Write a shrt passage t intrduce ne f yur favurite r mst familiar medical scientists.        
答案: Tu Yuyu, brn in Ningb, Zhejiang Prvince, China n December 30th, 1930, is a Chinese pharmaceutical chemist (药学家) and educatr. She is best knwn fr discvering artemisinin (青蒿素) which is used t treat malaria (疟疾) and has saved millins f lives. She wn the Nbel Prize fr Physilgy r Medicine in Octber 2015.
She is the first Chinese wman t win this prize. She said artemisinin is a gift frm China and frm traditinal Chinese medicine t the wrld, t millins and millins f peple, especially pr children, all ver the wrld wh have malaria.　　As a result f wrking under pr cnditins fr a lng time, Tu Yuyu has sme health prblems. But she says she wn’t stp studying r wrking.
Reading and Thinking (2)
1. cntradictry【观察思考】 ▶In general, dctrs in thse days had tw cntradictry theries t explain hw chlera spread. (教材第2页)关于霍乱的蔓延方式,当时医生大体上有两种截然不同的看法。▶His private actins are cntradictry t his publicly expressed pinins. = His private actins are in direct cntradictin t his publicly expressed pinins.他私下的行为与他公开表达的观点恰恰相反。
▶The cntradictin between ecnmic develpment and envirnmental pllutin shuld be ur tp cncern.我们应该重点关注经济发展和环境污染之间的矛盾。▶The speaker had gt cnfused and started cntradicting himself.演讲者变糊涂了,说话开始自相矛盾。
【探究总结】(1) cntradictry adj. 相互矛盾的;对立的;不一致的be cntradictry ______ 与……相矛盾/不一致 (2) cntradict vt. & vi. 反驳;驳斥;与……相矛盾,相反cntradict neself 自相矛盾(3) cntradictin n. 反驳;驳斥;矛盾;对立① ______ cntradictin ______ 与……相矛盾 ②cntradictin ______ A and B　A和B之间的矛盾 
答案: (1)t　(3)①in　t　②between
【应用实践】 完成句子。①What the cmpany ffers him ______ ______ ______ (与……相矛盾) what it prmised earlier. ②He ______ ______ (自相矛盾) and denied what he said during an interview with the media. ③______ ______ ______ (……之间的矛盾) the tw bys cmes frm running fr the captain f the ftball team. ④The present situatin is in ______ ______ (与……相矛盾) peple’s expectatins. 
答案: ①is cntradictry t ②cntradicted himself③The cntradictin between ④cntradictin t
2. subscribe【观察思考】 ▶Snw subscribed t the secnd thery. (教材第2页)斯诺赞同第二种看法。▶We subscribe t several sprts channels.我们付费收看好几个体育频道。▶As a successful businessman, he subscribes regularly t the lcal charity. 作为一个成功的商人,他定期向当地慈善机构捐款。▶Each emplyee may subscribe fr up t ￡2,000 wrth f shares.每位员工最高可以认购价值2 000英镑的股份。
【探究总结】(1)subscribe vi. 　①________　② ________　③________(2)subscribe ________ 同意;赞同 　　　
答案: (1)①定期订购(或订阅) ②定期交纳(会费); 定期捐款　③认购(股份) (2)t
【应用实践】 写出subscribe t 在句中的含义。①She has been determined t subscribe t an envirnmental actin grup frm this year. (　　)②My main reasn fr subscribing t New Scientists is t keep updated n advances in science. (　　) ③I’ve persnally never subscribed t the view that men are always better than wmen in science. (　　)
答案: ①定期捐款　②订阅;定期订购 ③同意;赞同
3. suspect【观察思考】 ▶Snw suspected that the water pump was t blame. (教材第2页)斯诺怀疑水泵就是罪魁祸首。▶Why d yu suspect the truth f the infrmatin? 你为什么怀疑这消息的真实性?▶The plice suspect him f having taken the mney. 警察怀疑钱是他偷的。▶They suspect Wilsn t be the thief f the mbile phne, but I dn’t agree with them, fr I have been staying with him all day lng.他们怀疑威尔逊是那个偷手机的贼,但是我不同意他们的观点,因为我一整天都和他在一起。
【探究总结】(1)suspect vt. & vi. 怀疑;疑有;不信任①suspect ______ ... 怀疑…… ②suspect sb ______ sth/ding sth 怀疑某人某事/做某事 ③suspect sb ______ ... 怀疑/猜想某人是……  (2) suspect n. 犯罪嫌疑人;可疑对象
答案: (1)①that　②f　③t be
【应用实践】 单句语法填空。①The plice arrested tw ______ (suspect). ②The disease is suspected ______ causing ver 200 deaths. ③The plice suspected the taxi driver ______ (be) a liar.  答案: ①suspects　②f　③t be
4. blame【观察思考】 ▶It seemed that the water was t blame.看起来水是罪魁祸首。▶He blamed yu fr the neglect f duty.他责备你玩忽职守。▶Dn’t blame it n him, but n me.别怪他,该怪我。▶I am ready t take the blame fr the mistake.我准备承担这一错误的责任。▶He tried t lay/put the blame n his partner in rder t avid being punished. 为了逃避惩罚,他试图把责任推卸给他的同伴。
【探究总结】(1)blame vt. 把……归咎于;责怪;指责①be ______ fr sth 应当为某事担责;对(坏事)负有责任 ②blame sb ______ sth 因某事责备某人 ③blame sth ______ sb 把某事怪到某人头上;把某事的责任归咎于某人 (2)blame n. 责备;指责①______ the blame fr 为……承担责任 ②______ the blame ______ sb 把责任推卸到某人身上 
答案: (1)①t blame　②fr　③n(2)①take　②put/lay　n
【应用实践】 用blame及其相关短语填空。别再指责杰克了。他已经因为他的失误受到指责。另外,该受到指责的是他的伙伴,因为他把所有的责任都推到了杰克身上。Dn’t ①_______ Jack any mre. He ②______________ his mistake. What’s mre, it is his partner wh ③____________, as he ④________________ Jack. 答案:①blame　②has been blamed fr③is t blame　④laid/put all the blame n
5. decrease【观察思考】 ▶Thrugh Snw’s tireless effrts, water cmpanies began t sell clean water, and the threat f chlera arund the wrld saw a substantial decrease. (教材第3页) 经过斯诺的不懈努力,饮用水公司开始出售洁净水,世界各地霍乱的威胁大幅降低。▶Many ladies are trying t lse weight by decreasing their meals.许多女士试图通过减少进餐来减肥。
▶The unemplyment rate has decreased by 3% cmpared with that f last year.和去年相比,失业率已经下降了3%。▶The number f independent firms decreased frm 198 t 96.独立公司的数量从198家减少到了96家。▶The new treatment led t a huge decrease in the number f deaths.新的疗法使死亡率大幅减少。▶Frtunately, the number f cyclists running a red light is n the decrease.幸运的是,骑自行车闯红灯的人数在减少。
【探究总结】(1)decrease n. 减少;降低;减少量①______ the decrease 在减少 ②a/sme decrease ______ 在某方面减少/下降 (2)decrease vt. & vi. (使大小、数量等)减少;减小;降低①decrease ______ 减少了(表程度) ②decrease ______ 减少到(表结果) ③decrease ______ 在某方面减少/下降 答案:(1)①n　②in　(2)①by　②t　③in
【应用实践】 用适当的介词填空。①The number f clubs has decreased ______ ne third f last year. ②The traffic accidents in the city decreased ______ 30% last year. ③Thrugh the tireless effrts f the gvernment, air pllutin has been ______ the decrease. ④There culd be a slight decrease ______ his weight but he eats t much. 
答案: ①t　②by　③n　④in
6. thanks t【观察思考】 ▶Frtunately, we nw knw hw t prevent chlera, thanks t the wrk f Jhn Snw. (教材第3页)幸运的是,由于约翰·斯诺的努力,我们现在知道了如何预防霍乱。▶Thanks fr yur interesting ideas, but we need practical suggestins t get us ut f the mess.谢谢你提出的有趣的想法,但我们需要实际的建议来摆脱困境。
▶Children had t stay at hme all day lng because f the bad weather.由于天气不佳,孩子们只能整天待在家里。▶The sprts meet has been put ff due t the rain.由于下雨,运动会被推迟了。▶Owing t the rad cnstructin, we had t take anther way.由于道路施工,我们不得不另寻他途。
【探究总结】(1)thanks ______ 幸亏;由于 (2)thanks ______ 感谢…… (3)thanks t 的近义短语:because f 因为due t 因为;由于 wing t 由于答案: (1)t　(2)fr  
【应用实践】 完成句子。①______ ______ (由于) mbile libraries, these peple can still brrw bks. ②______ ______ (感谢) yur attending my birthday party and I feel very happy. ③He failed in the experiment ______ ______ (由于) his carelessness in the prcess. 
答案: ①Thanks t　②Thanks fr③because f/due t/wing t
7. transfrm【观察思考】 ▶... Snw transfrmed the way scientists study diseases. (教材第3页)……斯诺改变了科学家研究疾病的方式。▶Mr. Orland transfrmed his backyard int a flwer garden after retirement.奥兰德先生退休后把他的后院改成了花园。▶The ugly caterpillar has transfrmed int a beautiful butterfly. 那只丑陋的毛毛虫已经变成了一只漂亮的蝴蝶。
【探究总结】(1)transfrm vt. 使改观;使改变形态 vi. 改变;转变①transfrm ______ 转变成…… ②transfrm ... ______ ... 把……转变成…… (2)transfrmatin n. 转变;改变
答案: (1)①int　②int  
【应用实践】 完成句子。①我们应该设法将热转化为能量。We shuld try t ______ ______ ______ ______. ②我简直不敢相信我的家乡会发生这样大的变化。I culd hardly believe such a great ______ in my hmetwn. 答案: ①transfrm heat int pwer ②transfrmatin
8. Sb/Sth be likely (nt) t d ...【观察思考】 ▶The peple wh drank this water were much mre likely t get chlera than thse wh drank pure r biled water. (教材第3页)与饮用纯净水或开水的人相比,饮用被污染的水的人更容易染上霍乱。▶It is likely that the rain will nt stp this mrning. 今天上午雨可能停不了。
▶It is likely fr the delivery man t send the package this afternn. 今天下午快递员可能把包裹送达。▶It is pssible that the letter gt lst in the pst.有可能那封信在邮寄过程中弄丢了。▶I think it is pssible fr him t accept ur invitatin.我认为他有可能会接受我们的邀请。
【探究总结】(1)Sb/Sth be likely (nt) ______ ... 某人/某物可能(不)会……(2)______ likely that ... 很可能…… (3)______ pssible/prbable that ... 可能…… (4)It is likely/pssible ______ ...  某人/某物可能会……答案: (1)t d　(2)It is　(3)It is (4)fr sb/sth t d