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

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背景图ppt课件，共25页。PPT课件主要包含了将某事归咎于某人，对某事负责，justify，simplify，beautify，terrify，identify等内容，欢迎下载使用。
Language pints
What was the mst feared disease n the Oregn Trail?
The mst feared disease n the Oregn Trail (俄勒冈小径）was chlera， Typhid fever （伤寒症）and dysentery（痢疾） were als feared diseases, but chlera was the biggest killer.
Chlera used t be ne f the mst feared diseases in the wrld.
fear : n/vt (c/u) 害怕，担忧 -- adj. 担忧的，吓人的，极糟的___________ --adj. 不怕的，无畏的________________
with fear 害怕地 fear f sb/sth 害怕... fear fr sb/sth 担忧fr fear fr fear that... 唯恐， 以免 sb/ sth 害怕/ 担忧fear t d/ ding 不敢做某事fear fr sb/ sth 担忧
2. die frm: 死于(某种外部原因） an earthquake a traffic accident a lightning drinking lack f fd die f: 死于(某种内在原因） illness a heart truble hunger /starvatin cld anger/ grief die f/ frm lung cancer
海绵宝宝之父死于渐冻症。《樱桃小丸子》原作者樱桃子因乳腺癌抢救无效在日本病逝。
SpngeBb SquarePants creatr Stephen Hillenburg has died at 57 frm ALS. ... Fans are murning the lss f the SquarePants Creatr wh died f ALS.
The Japan News Manga artist Mmk Sakura, authr f the famus manga series “Chibi Marukchan,” died f breast cancer n Aug.Sakura passed away n August15 frm breast cancer.
(声音，风，光）逐渐消失逐渐变弱，逐渐平息相继死去灭绝，消失渴望（做）某事英勇就义
die away die dwndie ffdie utbe dying fr/ t d sthdie a heric death
3. severe adj. -- severely adv. -- n. severity
(1) s serius; s bad (人、纪律）严厉的， 严格的
I think yu are t severe n the by.
His severe lks frightened me.
(2) very harmful r painful (疼痛）剧烈的
He has a severe pain in his leg.
(3)be severe with/n: be strict with 对…要求严格
He is severe with himself.
4. As a yung dctr, Jnh Snw became frustrated because n ne knew hw t prevent r treat chlera.
frustrate : vt. ①t make sb feel annyed r impatient because they cannt d r achieve what they want. 使沮丧， 使懊恼 ②t prevent sb frm ding sth; t prevent sth frm happening r succeeding 阻止， 防止frustrated : adj. 懊恼的， 沮丧的，失意的，没有得到满足的frustrating: adj. 令人沮丧的， 令人懊恼的----- frustratingly adv.frustratin: n. (U) 沮丧； 受挫 ； （C） 令人沮丧的事物
frustrate sb/ sth 使沮丧/ 使受挫
get frustratedbe /feel frustrated at/ with sthdifficulties and frustratins
5. In general, dctrs in thse days had tw cntradictry theries t explain hw chlera spread.
①cntradictry: adj. 互相矛盾的， 对立的， 不一致的 e.g. We are faced with tw apparently cntradictry statements.②cntradict : vt. 反驳，驳斥 e.g. Yu've just cntradicted yurself. The tw stries cntradict each ther.③cntradictin: n. （事实，看法， 行动）不一致，矛盾；反驳 e.g. There is a cntradictin between the tw stries. His public speeches are in cntradictin t his persnal lifestyle.
6. infectin: 感染，传染 ---- infect vt. 使感染，传染-- infectius adj. 传染的
【课文原句】 Anther was that chlera was caused by an infectin frm germs in fd r water.
have/ get / develp an infectinspread /fight/ treat an infectinbe infected with 感染上
1). Her ptimism seemed_________________(infect) all thse arund her.2). The ward was full f children_______________(infect) with COVID-19.3).Medical wrkers __________(take) part in the prgram have gained valuable experience in handling _____________(infect)diseases, bsting the __________________(efficient) f the entire medical system in future pandemic-cntrl effrts.
7. subscribe: vi. 认购（股份），定期订购，定期缴纳 subscriber: n. 订阅者 ---- subscriptin : n. 订阅（费）
subscribe t
a plan 赞同一个计划/ the view that...
a magazine 订阅一本杂志
a subscriber t...
8. prf : n. 证据， 证明， 检验; adj. 能防范的， 防的
have scientific prf 有科学证据there is (strng) prf that shws... 有证据证明
Prf will accmpany the truth and much will be laid befre yu.in the absence f any ther prfThe car has child-prf lcks inn the rear drs.
9. multiple : adj. 数量多的，多种多样的 multiple chices multiply : vt. 乘，繁殖，增加---- multiplicatin n. 乘法
10. suspect: vt 怀疑，认为是；/n. 嫌疑犯 suspicin : n. 怀疑 suspicius: adj. 感觉怀疑的
suspect sb/sth(= dubt) 怀疑某人/某事suspect sb f sth/ding sth 怀疑某人（做某事）suspect sb t be 怀疑某人是be suspicius f 怀疑
e.g. I suspected their hnesty. He had suspected her f lying fr sme time. I suspected him t have dne it. Many were suspicius f refrm.
11. It seemed the water was t blame.
~ sb. fr (ding) st~ sth upn / n sb：把…责任归于…She ~d the failure f their marriage n him.2).be t blame 该受责备；应该负责 (不能用于被动语态)I am t blame fr ur lsing the game. It’s I wh am t ~ fr ur lsing the game.
1).vt.责备, 谴责
3). has nly gt neself t blame 怪某人自己e.g. If he fails the exam he’s nly gt himself t blame.
4). (N.) put/place/ lay the blame n sb fr sth bear/ take the blame fr sth
e.g. The judge put the blame n the driver fr the accident. the driver f the car shuld bear the blame fr the accident.
★I feel it is yur husband wh ____fr the spiled child. A. is t blame B. is ging t blame C. is t be blamed D. shuld blame★ _____ fr the breakdwn f the schl cmputer netwrk, Alice was in lw spirits. A. Blaming B. Blamed C. T blame D. T be blamed
12. handle: n/vt.
1). N. 柄，把手；可乘之机e.g. I turned the handle and pened the dr. Dn’t let yur cnduct give any handle.
2). Vt. 处理，操作，触摸 e.g. Custmers are asked nt t handle the gds in the shp. she asked me t handle the business fr her.
★ As an experienced gvernment fficial, he knw shw t ___such situatins well. A. deal B. wrk ut C. handle D. settle int
13. interventin n. 介入， 出面， 干涉 intervene v.
e.g. Wang Wenbin nted that China is determined t defend its natinal svereignty and territrial integrity, ppse any external interference in its internal affairs . Any actin aiming t intervene in China's dmestic affairs will be met frceful cuntermeasures.
The Minister intervened persnlly t stp the museum _______________________( clse).部长亲自干预以阻止博物馆的关闭。
being clsed
14. link vt./vi 连接 n 联系，纽带
These tw cities were linked by a railway.
1).link… t/with/by … (cnnect…t…/be related t/ be vlved in be assciated with, jin... t...)把…与…连接起来 be linked t /with ... 与有关there is a link between... and...
I can’t link my cmputer t the internet.
Our ecnmy is clsely linked with America’s.
2).link up (with)… 与连接/结合
We’ll link up with the cmpany.The space shuttle will link up with the space statin this afternn.
These pieces f infrmatin he cllected ___ t shw wh the thief was. A. jined t B. linked up C. cnnected t D. cnnected with
Jin 指人或物直接接触而结合。(vt.)Cnnect 能过工具或媒介而结合.(vt/I t/with)Link 像锁环那样环环相扣地连接，形成网络。
15.raw：adj. 生的， 未熟的，未经处理的， 原始的 raw meat/ judgement/ materials/ hand ---- Hw d yu like yur steak cked? ---- Rare（一分熟牛排） Medium rare（三分熟牛排） Medium（五分熟牛排） Medium well（七分熟牛排） Well dne（全熟牛排） It's bvius that Sun Yiqiu is raw t his wrk.
16. pure ： adj. 干净的；纯的；纯粹的 purify: vt. 使纯净 构词法 just adj. ------- vt. ___________________ simple adj. ------- vt. ___________________ beautiful adj ------- vt. ___________________ terrible adj. -------vt. ___________________ identical adj.------- vt. ___________________
clarify 澄清；阐明
classify 分类，归类
17. substantial adj. 大量的;价值巨大的;重大的; 大而坚固的;结实的;牢固的 n. 本质;重要材料e.g. Substantial numbers f peple supprt the refrms. He ate a substantial breakfast. a substantial huse The West must back up its verbal supprt with substantial ecnmic aid.
18.statistic: n. (pl) 统计数字; 统计资料; (U)统计学; (一项) 统计数据; statistics shw real wages declining by 24%. The latest statistics are impressive. The city's mst shcking statistic is its high infant death rate.
19. decrease: n. 减少；降低； 减少量 vt. &vi （使大小或数量等）减少；减小；降低
①decrease sth. in sth. t by + 数字/百分数②n the decrease③a decrease in/ t/ by...④ 【反义词】increase : v./n. 增长， 增加 increasingly : adv. 越来越，逐步地
The infant death rate has been n the decrease since then.
decrease the utput
decrease in size
decrease t 900 peple
decrease by 4%
a steady decrease in ppulatin
20. transfrm： vt. 使改观， 使改变形态 vi. 改变，转变 transfrmatin: n. （彻底的）改变或改观 transfrmative: adj. 起改造作用的;有改革能力的
1). Marriage has cmpletely transfrmed her.2). A little paint will sn transfrm this ld car.
The frg prince
He tld her hw he had been bewitched by a wicked witch, and was transfrmed int a frg.
21. thinking22. prtein23. cell24. lung25.virus26. initial27. slid28. vaccine29. epidemilgy30. framewrk31. thanks t 33. nce and fr all 32. theretical framewrk
n. 思想，思维，见解 thinking peple / quick thinking
n. 蛋白质 t much prtein in diet / be rich in prtein
n. 细胞，小房间，单间牢房 cell walls/ lck sb in a cell / cellphne
n. 肺 lung diseases / lung cancer / in ne's lung
n. 病毒 flu/ cmputer virus -- adj viral viral infectin/ g viral
adj. 最初的， 开始的，第一的 the initial stages-- initially adv.
adj. 可靠的，固体的， 坚实的 n. 固体
n. 疫苗 COVID-19 vaccine trial / be wrking n vaccine develpment
理论框架 ( thery)