英语选择性必修 第二册Unit 1 Science and Scientists评课课件ppt

这是一份英语选择性必修 第二册Unit 1 Science and Scientists评课课件ppt，共41页。PPT课件主要包含了十分严重的 ，怀疑 ，把归咎于，对立的，联系纽带，severe，infection，proof，multiple，households等内容，欢迎下载使用。

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 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.
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
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.
cntradictry
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.10. Smartphnes are (使改变形态) the way peple spend their time.
transfrming
Ⅳ. 根据汉语句意完成英语句子。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.
attended t
4. 斯诺赞同第二种看法。Snw the secnd thery.5. 他决心查明原因。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.
subscribed t
was determined t
was t blame
Step 1: Lk at the title “JOHN SNOW DEFEATS ‘KING CHOLERA’” f the text.What might be the prfessin f Jhn Snw?  2. What des “King Chlera” refer t?   3. What might the text mainly tell us?    
A serius disease.
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.
happened when chlera brke ut in the early 19th century
did Jhn Snw begin his investigatin
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.答案:B2. What can we knw frm Snw’s map?A. N death happened in Huse The mst deaths were in Huse Peple n Cambridge Street were all lucky.D. N.21 husehld didn’t use the water pump.答案:D
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.答案:C4. 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.答案:A
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:C
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 speaker had gt cnfused and started cntradicting himself.演讲者变糊涂了,说话开始自相矛盾。▶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。【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
【应用实践】 根据句意及汉语提示完成句子。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.
is cntradictry t
cntradicted himself
The cntradictin between
cntradictin 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 ②③ (2)subscribe 同意;赞同



定期交纳(会费);定期捐款
【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 Scientist 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. ( )
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? 你为什么怀疑这条消息的真实性?▶The plice suspect him f having stlen 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
【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. 
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.我准备承担这个错误的责任。▶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;对某事负有责任 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
【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而受到指责。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 anymre. He ② his mistake. What’s mre, it is his partner wh ③ , as he ④ Jack. 
has been blamed fr
laid/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。▶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。
▶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。▶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 t 96.独立公司的数量减少到了96家。
【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 in 在某方面减少/下降
【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.
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
【应用实践】 根据句意及汉语提示完成句子。① (多亏) 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. 
because 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
【应用实践】 根据汉语句意完成英语句子。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.
transfrm heat int pwer
transfrmatin
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 pssible that the letter gt lst in the pst.有可能那封信在邮寄过程中弄丢了。▶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。
▶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)会做…… (2) likely that ... 很可能…… (3) pssible/prbable that ... 可能…… (4)It is likely/pssible ...  某人/某物可能会做……
fr sb/sth t d