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

这是一份人教版 (2019)选择性必修 第二册Unit 1 Science and Scientists背景图课件ppt，共46页。PPT课件主要包含了Ⅰ知识体系图解 ，重点词汇 ，航空航天工业 ，爱国的，喷气式飞机　，此外再者，改变转换轮班，转移挪动动转，mechanic，defend等内容，欢迎下载使用。
1.aerspace n.　　 　　 2.patritic adj.　　　　 3.aviatin n.　　　 　 4.jet n.　　　　 5.missile n.　　　　 6.steady adj.　　　 　 7.besides prep.　　　 　　　adv.　　　　　 8.furthermre adv.　　　　 9.shift n.　　 　　　　vt.　　　　 　 
航空制造业;航空;飞行
稳定的;平稳的;稳步的
除……之外(还);而且
10.vivid adj.　 　　　 11.　　　　　 n.机械师;机械修理工→　　　　　 adj.机械的;发动机的;机器的 12.　　　　　 vt.保卫;防守;辩解 13.　　　　　 n.助理;助手 14.　　　　　 n.领导;领导地位;领导才能 15.　　　　　 vt.追溯;追踪;查出　n.痕迹;遗迹;踪迹 16.　　　　　 adj.优秀的;杰出的;明显的 17.　　　　　 adj.有天赋的;有天才的;天资聪慧的 18.　　　　　 adj.抽象的;理性的　n.(文献等的)摘要 
生动的;鲜明的;丰富的
mechanical　
19.　　　　　 n.概念;观念 20.　　　　　 n.天文学 21.　　　　　 n.望远镜 22.　　　　　 adj.聪颖的;绝妙的;明亮的 23.　　　　　 n.弱点;过错 
1.　　　　　(战争、打斗等不愉快的事情)突然开始;爆发 2.　　　　　 主管;掌管 3.　　　　 　 患(病);染上(小病) 4.　　　　　 最重要的是;尤其是 5.　　 　　　 做出决定 6.discurage sb frm ding sth 　　 　　 7.under ne’s leadership 　 　　　 8.be traced back t 　　　　 9.pint ut 　　　　 10.benefit frm 　　 　　 
in charge f　
cme dwn with
make a decisin
When asked “Can we Chinese pssibly make missiles?”,his reply was a determined “Why nt...”
Ⅱ.释义匹配1.assistant　　 A.extremely gd2.utstandingB.a change in psitin r directin3.giftedC.smene wh helps smene else t d a jb4.faultD.having special ability in a particular subject r activity5.shiftE.a mistake,especially smething fr which yu are t blame答案:1.C　2.A　3.D　4.E　5.B
Ⅲ.选词填空1.Hw can we 　　　　　ur hmeland if we dn’t have an army? 2.It is very difficult t define the 　　　　　f beauty. 3.By the age f seven,children are capable f thinking in __________　　　　　terms. 4.She seemed t have a 　　　　　career ahead f her. 5.He’s ne f thse peple with a very 　　　　　imaginatin. 
vivid,defend,brilliant,cncept,abstract
1.Hwever,after the Snghu Battle brke ut in 1932,Qian made the decisin t switch his majr t aviatin because he realised that China needed its wn pwerful air frce t prtect and defend the cuntry.然而,在1932年淞沪战役爆发后,钱学森做出了将自己的专业转向航空的决定,因为他意识到中国需要自己强大的空军来保护和保卫国家。【词汇精讲1】break ut (战争、打斗等不快的事情)突然开始;爆发I was still living in Lndn when the war brke ut.战争爆发的时候我还住在伦敦。A terrible fire brke ut in the building last night.昨晚大楼里发生了大火。
【词汇拓展】break dwn出故障;失败;垮掉;分解break in破门而入;打断(谈话等)break int强行闯入;突然……起来break away frm脱离;挣脱break up打碎;分裂;解体break thrugh突破They were discussing smething imprtant when a man brke in.他们正在谈论重要的事情,这时一名男子突然闯了进来。Scientists hpe t break thrugh sn in their fight against heart disease.科学家希望在治疗心脏病方面很快能有所突破。
【温馨提示】break in和break int都有“闯入”的意思。break in为不及物动词短语,后不跟宾语;break int为及物动词短语,后可以跟宾语。
【词汇精讲2】defend vt.保卫;防御The killer insisted that he was just defending himself when attacked.凶手坚持说当受到攻击时他只是在进行自卫。The unin said that they wuld take actin t defend their member’s jbs.工会说他们将采取行动维护会员的工作权益。
【词汇拓展】(1)保护……免受;防御defend neself为自己辩护;自卫(2)defence n.防御;保卫in defence f为了保卫;为……辩护Gd defends me frm my friends;frm my enemy I can defend myself.[谚语]防友靠天,防敌靠己。Students shuld be trained t defend themselves against/frm sme attacks.应该训练学生保护自己免遭一些攻击。
2.He received a her’s welcme frm his hmeland and was put in charge f nt nly develping China’s rcket science but als its space and missile prgramme.他受到了祖国英雄般的欢迎,不仅负责发展中国的火箭科学,而且负责中国的太空和导弹计划。【词汇精讲】in charge f主管;掌管Officials in charge f the camps say the system is nw running extremely smthly.负责这些营地的官员们说现在这一体系运转得非常顺利。I’ll be in charge f the whle factry next week when the directr is away.下周厂长不在时,我将负责整个工厂。
【词汇拓展】(1)take charge f掌管/负责……in the charge f受……的管理;由……负责(2)free f charge=fr free 免费(3)charge sb fr sth为某物向某人收取费用charge sb with (ding) sth控告某人(做)某事Dr.Smith is assigned t take charge f the department.史密斯医生受命分管这个部门。Will yu please tell me whether yu charge fr cheques?请告诉我兑换支票收手续费吗?【温馨提示】in charge f多以人作主语,指“某人负责/主管某事”;in the charge f 多以物作主语,指“某物由某人掌管”。类似的还有:in pssessin f,in the pssessin f;in cntrl f,in the cntrl f。
3.Stephen Hawking was ne f the mst famus and gifted scientists in physics.斯蒂芬·霍金是物理学上最著名和最有天赋的科学家之一。【词汇精讲】gifted adj.有天赋的;有天才的;天资聪慧的He is ne f the mst gifted players in the wrld.他是世界上最有天赋的运动员之一。Brwn was witty,amusing and gifted with a sharp business brain.布朗机智诙谐,天生具有敏锐的商业头脑。【词汇拓展】gift n.礼物;天赋have a gift fr有……的天赋Many f them have a gift fr dancing with animals.他们中的许多人拥有与兽共舞的天分。
4.Since he came dwn with a disease which caused him t lse the use f mst f his muscles,his wrld became ne f abstract thught.由于他得了一种疾病,使他失去了大部分肌肉的使用,他的世界变成了一个抽象的思想。【词汇精讲】cme dwn with患(病);染上(小病)Thmas came dwn with chickenpx at the weekend.托马斯在周末染上了水痘。He must have cme dwn with a bad cld,fr he has gt a sre thrat.他一定是感冒了,因为他嗓子痛。
【词汇拓展】cme acrss偶然遇到cme abut发生cme t恢复常态;共计;达到(某种状况)cme up with提出(主语是人)cme up提出(主语是建议等)I came acrss my frmer English teacher in the street yesterday.我昨天在街上遇到了我以前的英语老师。The headmaster wants t knw hw the accident came abut.校长想知道事故是怎么发生的。
5.Abve all,Hawking was willing t admit his faults.最重要的是,霍金愿意承认自己的错误。【词汇精讲】abve all最重要的是;尤其He is hardwrking,cheerful,and abve all hnest.他勤奋、乐观,最重要的是诚实。Old Mr Smith was belved by all,and abve all by the children.史密斯老先生为众人所爱戴,尤其是受到孩子们的爱戴。
【词汇拓展】after all毕竟;终究all in all整体说来;总而言之in all全部;合计at all (否定句)一点也不;(疑问句)到底;究竟Hw many students are there in yur schl in all?你们学校总共有多少学生?He is nt cncerned with the difficulties f the factry at all.他对工厂的困难毫不关心。
When asked “Can we Chinese pssibly make missiles?”,his reply was a determined “Why nt...”当被问到“我们中国人能制造导弹吗?” 他的回答是坚定的“为什么不能……”【句式剖析】When asked...是省略句,省略了从句的主语和be动词,句子补全为:When he was asked...。When invited t dinner,I am ften unsure whether t bring a present.当被邀请参加宴会时,我老是拿不准是否该带礼物。When asked abut her future after the race,guess hw Cathy replied?当比赛后被问及自己的未来时,你猜卡西是如何回答的?
【句式拓展】状语从句的主语和主句的主语一致时,且从句谓语中含有be动词时,从句可以将主语和be动词简化掉。常用于以下几种情形:(1)连词+形容词As (he was) yung,he learned hw t ride a bike.他小时候就学会了骑自行车。Wrk hard when (yu are) yung,r yu’ll regret.少壮不努力,老大徒伤悲。(2)连词+名词Althugh (he was) a farmer,nw he is a famus directr.尽管他曾是个农民,现在他是位著名的导演了。
(3)连词+动词-ing形式Althugh (he is) ding his best in maths these days,he has still gt n gd marks.尽管近来他一直在努力学数学,但他仍然没有取得好成绩。(4)连词+过去分词He wn’t g there with us unless (he is) invited.除非受到邀请,否则他不会和我们一起去那里。(5)连词+不定式He std up as if (he were) t say smething.他站起来好像要说什么。(6)连词+介词短语She lked anxius as thugh (she was) in truble.她看上去很焦急,好像遇到了麻烦。
Hw t Clean ff the Many Germs n Yur Phne Yu have been tld t wash yur hands many times a day t help stp the spread f the nvel crnavirus.Yu have been tld t avid tuching yur face.But,yu als shuld try t keep clean the device that yu may be using nw mre than ever—yur phne. Scientific studies have shwn that the virus can live fr tw t three days n materials like plastic and stainless steel.The U.S. Centers fr Disease Cntrl and Preventin recmmends cleaning all “high-tuch” surfaces every day.These include things we tuch and cme int cntact with all day lng,like phnes,keybards and cmputers. Here are sme things nt t d when disinfecting(给……消毒) yur phne:
·D nt spray cleaners directly n the phne. ·D nt put the phne int any cleaning liquids. ·D nt use devices that use frced air,which are ften used t clean cmputer keybards. ·Avid rubbing yur phne with rugh materials that culd make small cuts n it. S,what shuld yu d?Start by turning ff the phne and unplugging any wires.Yu want t make sure yur phne is nt charging when yu clean it. Belw are sme suggested ways t clean yur phne.With any f these suggestins,be sure nt t get the phne wet. Yu can use Clrx wipes r wipes with 70 percent alchl.Yu can buy these prducts at a stre and wipe dwn yur phne.
AT &T recmmends pushing ut any liquid frm disinfectant wipes befre using them n a phne.It says paper clths wrk t.Yu can spray them with disinfectant and then use the clth t clean the phne.Again,d nt spray the phne itself. Yu can als use a sft fabric t clean the phne.Sme examples are micrfiber cleaning clths r nes used t clean camera lenses and eyeglasses.
Ggle suggests cleaning yur phne with a clth that has been lightly cvered in sap and water,as lng as yu are careful nt t get misture in the phne. Cleaning yur phne is ne f many measures public health fficials are recmmending t try t slw the spread f the nvel crnavirus.Mst patients have nly minr r mderate symptms.Hwever,lder peple and thse with existing health cnditins are mre likely t develp mre severe illness.
你校学生会准备办一期英语墙报,介绍我国著名的科学家。请你根据下列提示写一篇英语短文。钱学森简介
参考词汇:航空学 the science f Astrnmy航天科技事业 AnA industry(Astrnmy and Aircraft industry)“神童”a super-talented by
一、审题定调1.确定体裁:本次写作是人物介绍的写作,内容为介绍著名科学家钱学森的生平;2.确定人称:本文要用第三人称;3.确定时态:时态以一般过去时为主。二、谋篇布局本文属于记叙文的形式,写作时可按照时间顺序来布局。首先:介绍科学家的童年;其次:介绍科学家的求学经历;再次:介绍科学家的贡献;最后:人们的评价。
三、核心词汇1.be brn in/int...出生于2.be regarded as被认为是3.graduate frm从……毕业4.devte all ne’s life t致力于……5.take part in参加6.pass away去世
四、高级句式1.钱学森1911年12月11日出生于浙江一个富裕的家庭,他非常聪明,童年时被认为是一个“神童”。(过去分词作状语;引导的结果状语从句)Brn int a wealthy family n December 11,1911,Zhejiang Prvince,Qian Xuesen was s clever that he was regarded as a “super-talented” by in his 年上海交通大学毕业后,他到美国深造。(动词-ing形式的完成时)Having graduated frm Shanghai Jia Tng University in 1934,he went t America fr his further study.
3.回国后,他把一生都献给了中国的航天科技事业,参与了火箭的设计和研究。(动词-ing形式作伴随状语)Since he returned t China,he has devted all his life t China’s AnA industry,taking part in the design and research f rckets.4.正是因为他的杰出成就,钱学森被誉为“中国航天之父”和“火箭大王”。(It 强调句)It’s fr his utstanding achievements that Qian Xuesen is hnured as the “Father f China’s Astrnmy” and the “King f Rckets”.
五、连句成文参考范文:A Brief Intrductin f Qian Xuesen Brn int a wealthy family n December 11,1911,Zhejiang Prvince,Qian Xuesen was s clever that he was regarded as a “super-talented” by in his childhd.Having graduated frm Shanghai Jia Tng University in 1934,he went t America fr his further study and gained his dctr’s degree in the science f Astrnmy.Since he returned t China,he has devted all his life t China’s AnA industry,taking part in the design and research f rckets and missiles as well as pening a new era f China’s Astrnmy industry.
It’s fr his utstanding achievements that Qian Xuesen is hnured as the “Father f China’s Astrnmy” and the “King f Rckets”.Qian Xuesen,a pineer f China’s Astrnmy industry,passed away n Octber 31,2009 in Beijing.
Ⅰ.短语填空1.Mr Smith happened t be in England when the war 　　　　　. 答案:brke ut2.Mst peple 　　　　　this figure frm Wagner’s pera. 答案:are familiar with 3.The ld man 　　　　　pneumnia last week. 答案:came dwn with4.It is hped that the readers will kindly 　　　　　ur errrs. 答案:pint ut5.As a schlgirl,she 　　　　　becming an actress. 答案:dreamed f
dream f,cme dwn with,be familiar with,break ut,pint ut
Ⅱ.语法填空 Stephen Hawking was brn in Oxfrd,England,　 　 January 8,1942.At the age f 17,he entered University f Oxfrd.He wanted 　 　 (study) mathematics,but tk up the study f physics when math 　 　 (be) unavailable.He received a physics despite being 　 　 (diagnse) with Amelitrphic Lateral Sclersis (肌肉萎缩性侧索硬化症) while at Oxfrd in ’s 　 　 (determine),alng with the help f his family and assciates,has allwed him 　 　 (cntinue) t wrk.In 1970 he began studying black hles.　 　 (he) research led him t predict that black hles send ut radiatin in the X-ray t gamma-ray(伽马射线) range f the spectrum (光谱).
determinatin