高中英语人教版 (2019)选择性必修 第二册Unit 1 Science and Scientists完美版课件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完美版课件ppt，共50页。PPT课件主要包含了核心词汇，题组练·领悟方法，with ，severely ，for ，and ，infection，with，infectious，签字认可 等内容，欢迎下载使用。

教材原句p.2This illness causes severe diarrhea，dehydratin，and even death. 这种疾病可导致严重腹泻、脱水甚至死亡。
1 severe adj. 极为恶劣的；十分严重的；严厉的搭配 be severe n 对……严厉 be severe with neself 严于律己severe weather 恶劣的天气　 severe lks 严肃的表情　severe disease 严重的疾病　The prfessr is rather severe n his students. 教授对学生相当严厉。We must be severe with urselves. 我们必须严于律己。 【词语积累】severely adv. 严重地；严格地，严厉地
单句语法填空（1） I d nt like t be severe___________anyne，but ur wn situatin is serius. （2） Yu shuld first f all be severe ___________ yurself and set an example t yur kids. （3） A fire had___________（severe） damaged the warehuse. 完成句子（4） Dn’t ________________（对……太苛刻） thers’ errrs. 　
be t severe n
教材原句 never lst his desire t destry chlera nce and fr all. ……他始终没有放弃彻底根除霍乱的愿望。
2 nce and fr all 最终地；彻底地The archaelgist will explain the thery fully nce and fr all. 考古学家将彻底地解释这个理论。 The teacher has warned the student nce and fr all. 那位老师已断然警告那个学生。【学法点拨】与 nce and fr all 具有相同含义的短语还有 nce fr all。 I will explain it nce fr all. 我会彻底解释清楚。
单句语法填空（1） The prblem can be slved nce and __________all，if yu d that. （2） We will clean the entire huse nce __________fr all. 完成句子（3） Why dn’t yu talk with him and slve the issue _____________________________（一劳永逸地）?
nce and fr all/nce fr all
教材原句p.2Anther was that chlera was caused by an infectin frm germs in fd r water. 另一种看法是食物或饮用水中的细菌感染导致霍乱。
3 infectin n. 感染；传染Air，water，clthing and insects are all means f infectin.空气、水、衣服及昆虫都会成为疾病的传染媒介。Ear infectins are cmmn in pre-schl children.耳部感染在学前儿童中很常见。
【词语积累】（1）infect vt. 使感染；传染be infected with 感染上……，传染上……Anyne with a bad cld may infect the peple arund him.任何得重感冒的人都可能把疾病传染给周围的人。The severe injuries will sn becme infected.严重的伤口很快就会被感染。Sme peple can be infected with the disease and have mild symptms.有些人可能感染了这种疾病，症状轻微。（2）infectius adj. 感染的，传染性的
单句语法填空(1)White bld cells fight __________　（infect）.(2)Every year，there are peple unlucky enugh t be infected __________　the flu.(3)Sme peple were nt cncerned abut it because they didn’t think they culd __________（infect）.(4) Dn’t yu find her enthusiasm __________（infect）?完成句子(5) Are yu sure there is ____________________（没有感染的危险） nw?(6) The cmpser ____________________（感染了） terrible bacteria and sn died.
be infected
n danger f infectin
was infected with
教材原句p.2Snw subscribed t the secnd thery. 斯诺赞同第二种看法。
4 subscribe vi. 认购（股份）；定期订购；定期交纳（会费）搭配subscribe t 订阅（报纸、杂志等）；签字认可，同意； 向……捐赠subscribe fr 预订；认购I wuld like t subscribe t a Dictinary f American Slang.我要订一本《美国俚语词典》。We subscribed t a few jurnals.我们订阅了几本期刊。I was unwilling t subscribe t the cntract，but it seemed that I had n chice. 我不愿在合同上签字，可又似乎别无选择。
Only mad peple wuld subscribe t such views.只有疯子才会赞同这种观点。Hw many shares did yu subscribe fr in the new cmpany?你在这家新公司认购了多少股？【词语积累】subscriptin n. 捐助；订阅；签署；同意subscriber n. 订阅人；定期捐款者
写出句中 subscribe t 的含义Many cmpanies subscribed generusly t the ftball club. ____________　　　(2) Which jurnals des the library subscribe t? ____________ 　　　(3) Persnally，I’ve never subscribed t the view that either sex is superir t the ther. __________(4) They refused t subscribe t the agreement. ____________ 　　　
单句语法填空(5) She used t subscribe __________an envirnmental actin grup.(6) Have yu handed in yur _____________（subscribe）?(7) Write away nw fr the free album ffered t every new __________（subscribe）.　　　
subscriptin
教材原句p.2Snw suspected that the water pump was t blame. 斯诺怀疑水泵就是罪魁祸首。
5 suspect v. & n.（1）vt. & vi. 怀疑；疑有；不信任搭配 怀疑……有罪 be/as 怀疑……是……The plice suspect him f having taken the mney.警察怀疑钱是他偷的。I suspected him t be a liar. 我料想他是一个说谎者。The plice dn’t knw wh cmmitted the crime，but they suspect Jnes. 警察不知道谁作的案，但他们怀疑琼斯。（2）n. 犯罪嫌疑人；可疑对象The plice culdn’t prve the suspect’s guilt.警察不能证实嫌疑犯的罪行。
【学法点拨】“动词 +sb. +f sth. ”结构：cnvince sb. f sth. 使某人相信某事rb sb. f sth. 抢劫某人某物 remind sb. f sth. 提醒某人某事infrm sb. f sth. 通知某人某事 cheat sb. f sth. 欺骗某人某事warn sb. f sth. 警告某人某事accuse sb. f sth. 控告某人某事
单句语法填空(1)Sme peple suspected him __________theft.(2) The plice suspected the designer__________（be） the murderer.(3) Tw __________　（suspect） in cnnectin with the killing are nw being questined.(4) They suspected me f _________（have） smething t d with the affair.(5)Yu’ll need t cnvince them __________the cnvenience f using credit cards t buy things.
完成句子(6)The tw fficials _________________（被怀疑） having received a bribe.(7)They _____________________（怀疑他是） a cheat.(8) In case I frget，please ______________（提醒我） my prmise.
are suspected f
suspect him t be/as
remind me f
6 blame vt. & n.（1）vt. 把……归咎于；责怪；指责blame sb. fr（ding） sth. 因（做）某事责备某人搭配blame sth. n... 把某事归咎于……be t blame（fr sth.）（对某事）负有责任The architect blamed his sn fr breaking the statue.建筑师责怪他的儿子弄坏了雕像。They blamed the failure n Jhn.他们把失败的责任推给约翰。I am t blame fr his lateness. 我对他的迟到负有责任。Dn’t always blame him. He is nly a little child.别老责怪他，他只不过是个孩子。
【一言助记】Dn’t always blame yur failure n thers；smetimes yu yurself are t blame. 不要总是把自己的失败归咎于他人，有时该怪你自己。【误区警示】be t blame 为主动形式，表示被动含义。（2）n. 责备；指责搭配take/bear the blame fr... 对……承担责任put/lay/place the blame fr sth. n... 把某事归咎于……Plastics take the blame fr the death f many sea creatures.塑料造成了许多海洋生物的死亡。The judge laid the blame fr the accident n the driver f the car.法官判定小汽车的司机应对该意外事件负责。
单句语法填空(1) She desn’t blame anyne __________　her father’s death.(2) The narratr was __________　（blame）fr the misunderstanding.(3)We were ready t take the blame __________what had happened.(4) They think the blame shuld be placed__________　the cnductr.
完成句子(5) They ________________________（归咎于） the physician.(6) She ___________________________（把……失败归咎于他） f their marriage.(7) If that happens，the cach will ____________________（对……承担责任） it.(8) With this extra evidence，we culd draw a cnclusin that the dangerus gas _______________（是罪魁祸首）.
placed the blame n
blamed him fr the failure
take the blame fr
was t blame
教材原句p.2Accrdingly，he had the handle f the pump remved... 于是，他让人拆掉了水泵的把手……
7 handle n. & vt.（1）n. 把手；拉手；柄the handle f a knife 刀柄 turn the handle 转动把手（2）vt. 处理；搬动；操纵（车辆、动物、工具等）He refused t allw his secretary t handle secret dcuments.他不让秘书处理机密文件。I’m afraid this isn’t the prper way t handle the case.这样处理，恐怕不妥。Wear rubber glves when handling cat litter.捡拾猫砂时要戴橡胶手套。Press the buttn and yu can easily handle the machine.按下这个按钮，你就可以很容易地操作这台机器了。
单句语法填空(1)The plice are expert at __________　（handle）situatins like this.(2) Sme peple are brilliant with cmputers，but have n idea hw __________（handle）ther peple.完成句子(3)_______________（转动把手）and yu will pen the safe.(4) The pilt knws hw t ______________（操纵飞机）.(5)Frtunately，we knw ____________________（如何处理情况） like this.
Turn the handle
handle a plane
hw t handle situatins
教材原句p.3Mrever，Snw was later able t shw a link between ther cases f chlera and the different water cmpanies in Lndn. 此外，斯诺之后还证明了另外几起霍乱病例与伦敦多家饮用水公司有关。
8 link n. & vt.（1）n. 联系；纽带Is there a link between smking and lung disease?吸烟与肺部疾病之间有关系吗？Each link that makes up a chain is equally imprtant.链子上面的每一环都同等重要。
（2）vt. 把……连接起来；相关联搭配 与……连接；联系 将……和……连接（系）在一起The new bridge will link the island t the mainland.新建的大桥把那个岛与大陆连接起来。This ld Silk Rad linked China with the West in ancient times.这条古老的丝绸之路在古时候把中国和西方连接了起来。Televisin statins arund the wrld are linked by satellite.全世界的电视台通过卫星联系一起。
单句语法填空(1)Regular air traffic links the city __________the rest f the cuntry.(2)High unemplyment is nt necessarily linked__________　the rise in prices.(3)There are a lt f wireless __________　（link）in a radi.(4)The televisin camera __________　（link） t a cmputer.
完成句子(5)The rad ________________________（ 把所有的新城镇都连接起来）.(6) Fingerprints _____________________________（把嫌疑犯与犯罪联系起来）.(7)Dctrs ______________________________（把吸烟同癌症联系起来）.(8)We must ________________________（ 理论联系实际）.
links all the new twns
link the suspect t the crime
link cigarette smking t cancer
link thery with practice
教材原句p.3 threat f chlera arund the wrld saw a substantial decrease. ……世界各地霍乱的威胁大幅降低。
9 decrease n. & v. （反义词 increase）（1）n. 减少；降低；减少量搭配a decrease in...……的减少n the decrease 在减少There has been sme decrease in imprts.进口货物有所减少。The number f cyclists running traffic lights is n the decrease.骑自行车的人闯红灯的现象正在减少。
（2）vt. & vi.（使大小、数量等）减少；减小；降低decrease（frm... ）t...（从……）减少到……（表示减少后的量）搭配decrease by... 减少了……（表示减少的量）decrease in... 在……方面减少They decreased the size f the grup frm 25 t 15.他们把小组的人数从 25 人减少到 15 人。Accrding t the statistics，the utput f the grain decreased by ten percent last year. 据统计，去年粮食产量下降了百分之十。This species f bird is decreasing in number every year.这种鸟的数量在逐年减少。
单句语法填空(1) The number f students in each class is__________　the decrease.(2) The decrease __________　sales was almst 20 percent.(3) The prductin f wheat has decreased__________　20% because f the dry weather.(4)The latest warm perid has caused the number f glaciers t decrease _______　150 in 1850 t 26 tday.完成句子(5)Recently the price f the huses in many big cities ________________ （降低了）10%.(6) The charge fr transprtatin is ________________（在 减 少） because f lwer fuel csts.
has decreased by
n the decrease
教材原句p.3 Frtunately，we nw knw hw t prevent chlera，thanks t the wrk f Jhn Snw. 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。
10 thanks t 幸亏；由于Thanks t yur help，we were successful.由于你的帮助，我们得以成功。【词语辨析】thanks t，wing t，due t，because f
单句语法填空(1) Thanks _______　the timely rain，the crps were saved.(2) Thanks _______yur inspiratin，I succeeded.辨析填空：thanks t/due t/because f /wing t(3) He was ut f wrk ___________________________a physical injury.(4) Mst f the prblems were _________________human errr.(5) _______________________________yur help，I gt the psitin advertised in the newspaper.(6) The twn was cut ff frm the rest f the wrld_________________ heavy snw.
due t/wing t/because f
due t/wing t
Thanks t/Owing t/Because f
教材原句p.3 transfrmed the way scientists study diseases. ……斯诺改变了科学家研究疾病的方式。
11 transfrm vt. 使改观；使改变形态 vi. 改变；转变搭配transfrm...（frm...） int... 把……（从……）变成…… 用……来改变……The magician transfrmed the frg int a princess.魔术师把青蛙变成了公主。We can transfrm the wrld with ur knwledge.我们可以用我们的知识改变世界。
The five years that he spent n the ship transfrmed him.五年的船上生活使他大为变样。The sfa can transfrm fr use as a bed. 这个沙发可改作床用。【词语积累】transfrmatin n. 转变，转化the gradual transfrmatin frm wdland t farmland逐渐改林为田的过程
单句语法填空(1)They have transfrmed themselves __________permanent city settlers.(2) She transfrmed peple’s attitude twards her jb __________　her determinatin and patience.(3)He was struggling t make the _____________（transfrm） frm a single man t a respnsible husband.完成句子(4) They successfully ____________________________（把这家公司变成） a glbal ne.(5)The art gallery ____________________（由……改造而成） an ld railway statin.
transfrmatin
transfrmed the cmpany int
was transfrmed frm
教材原句p.2It seemed that the wman liked the water frm the pump s much... 该妇女似乎非常喜欢从水泵抽上来的水……
1 It seems that/as if... 看来……；似乎…… It seems that it is mre difficult fr wmen t get t the tp f the cmpany. 对女性来说，想要爬到公司的最高层似乎更加困难。It seems that/as if it is ging t snw.看起来要下雪了。 【归纳拓展】 It turns ut that... 结果是……；原来是…… It appears that... 看来……；似乎是…… It ccurs t sb. that... 某人突然想到…… It happens that... 碰巧……
It turned ut that we were wrng. 结果是我们错了。 It ccurred t him that he had an imprtant meeting t attend the next mrning. 他突然想到第二天早上他有一个重要的会议要参加。It happened that he was ut that day. 碰巧他那天不在家。
单句语法填空(1)It seems t me __________　yu bject t the plan.(2) _________seems that mst huses have been destryed by the strm.(3) It appears __________　he has a talent fr playing the pian.完成句子(4)____________________（在我看来） that yu disagree n the plan.(5)____________________（碰巧）the harvest was bad that year.
It seems t me
It happened that
教材原句p.3 threat f chlera arund the wrld saw a substantial decrease. ……世界各地霍乱的威胁大幅降低。
【句式分析】the threat f chlera arund the wrld saw a substantial decrease 是一个以无生命的名词词组作主语的句式。2 无生命的名词 +see/find/witness... ……经历、发生、见证、目睹某事The city has seen great changes since 1990.这个城市自 1990 年以来发生了巨大的变化。【学法点拨】有些动词，如 see，find，witness 等，可以用地点或时间名词作主语，表示某地或某时经历、发生、见证或目睹某事。Last year witnessed a severe shrtage f fd. 去年食物严重缺乏。
英汉互译这棵古树见证了人们生活水平的提高。_____________________________________________________________(2) 晚上他在寂静的大街上独自徘徊。_____________________________________________________________(3)The last ten years have witnessed great changes in ur city._____________________________________________________________(4)The street light fund the girl crying._________________________________________________________
The ld tree has seen the imprvement f peple’s life.　
The quiet street fund him wandering alne in the evening.
我们城市在过去的十年里发生了巨大变化。
教材原句p.3 transfrmed the way scientists study diseases. ……斯诺改变了科学家研究疾病的方式。
【句式分析】本句是主从复合句。scientists study diseases 是定语从句，修饰 the way。3 the way 后跟定语从句Is this the way（in which/ that） yu prtect the endangered species?这是你们保护濒危物种的方式吗？【学法点拨】在含有定语从句的复合句中，the way 作先行词时有以下三种情况：（1）关系词在定语从句中作状语，关系词用 in which，that 或省略。During thse times，music can help yu in the same way（that/in which） it helped me. 在那些时间里，音乐可以像帮助我一样帮助你。
（2）关系词在从句中作主语，关系词用 that 或 which。He fund a way which/that led t success.他找到了一条通向成功的路。（3）关系词在从句中作宾语，关系词用 that，which 或省略。The way（that/which） he tld me sunds ridiculus，but I will give it a try. 他告诉我的方法听起来很可笑，但我要试一试。
单句语法填空(1)What surprised me was nt what he said but the way ______________　he said it.(2)N ne will supprt the way ____________he mentined at the meeting.(3) Is this the way __________　was against by many peple?完成句子(4)The Smiths are praised fr ________________________________（他们抚养孩子的方式）.(5) I dn’t knw ___________________________________（汤姆是怎样从这样的大火中幸存下来的）.(6) Is this the way yu can imagine _________________________________（减少空气污染）?
(in which/that)
(that/which)
the way they bring up their children
the way Tm survived such a big fire
t reduce/f reducing the air pllutin
Build up yur vcabulary
1 Find the wrds frm the previus pages with the fllwing prefixes r suffixes. Then add tw wrds fr each prefix r suffix，and explain their meanings.
remve research recall react
micrscpe micrbilgy micrwave
discver disable disagree
transfrm translate transprt
cntradictry satisfactry cmpulsry
substantial beneficial financial
infectin interventin slutin
epidemilgy bilgy scilgy
2 Make phrases by cmbining the wrds in the left bx with thse n the right. Then cmplete the sentences using these phrases.
subscribe suspect blame link
t f fr
1 Many scientists 　 　　　 the view that it is human activity that has caused glbal warming. 2 He was t 　　 　　 the accident because he drve n the wrng side f the rad. 3 The man 　　 　　 being behind the rbbery was seen crssing the street. 4 Since heart disease is ften 　　　　 ur lifestyle chices，we need t make healthy living an imprtant part f ur lives.
subscribe t
suspected f
3 Replace the underlined parts with suitable wrds frm the bx.
raw a husehld name substantial statistics handle
1 It is nt unusual fr an athlete t be well-knwn while he is active and quickly frgtten when his athletic career is ver.2 I’m sure she’ll deal with the changes very well because she’s very adaptable . 3 He was ready t serve dinner t his friends when he realised that he had frgtten t turn n the ven and the meat was nt cked yet. 4 He used his great influence t change the thinking f the scientific cmmunity n this issue. 5 Scientists have cllected mre data than expected t prve the thery.
a husehld name
substantial
British scientists believe they may have fund a way t fight the cmmn cld . It blcks a key prtein in the bdy’s cells that is t 　　　　 fr the spread f cld-causing viruses. Targeting the hst rather than the ________　　　　was a bit nn-traditinal but made sense because it was tricky t target the virus. Cld-causing viruses are nt nly f 　　　　 kinds，they als 　　　　 rapidly，meaning they can quickly develp resistance t medicine. Researchers are wrking n making a frm f medicine that can be taken directly int ne’s lungs，t_________ the chance f side effects . Thugh these scientists have made ___________advances in their research，further 　　　　 is needed t make sure such drugs are nt s　　　　 that they harm the bdy.
4 Read this passage abut medical science. Cmplete it using the wrds belw.
infectin multiple decrease severe transfrm prf blame substantial
substantial