英语选择性必修 第三册Lesson 2 Brain Power背景图课件ppt

这是一份英语选择性必修 第三册Lesson 2 Brain Power背景图课件ppt，文件包含UNIT9Period4pptx、UNIT9Period4DOC等2份课件配套教学资源，其中PPT共60页， 欢迎下载使用。

1．factr n._______________________2．fficially adv._______________________3．classify vt._______________________4．rare adj._______________________5．ppsed adj._____________________________________
因素，要素　官方地；正式地　将……分类；把……归入一类　稀有的，罕见的，不常发生的　
与某事物相反；反对某事物，不赞成某事物　
6．widespread adj._______________________7．depressing adj._______________________8．sample n._______________________9．estimate vt._______________________10．visible adj._______________________11．baseline n._____________________________
分布广的，广泛流传的　令人沮丧的，让人忧愁的　样本，样品　估计，估算　看得见的　(医学或科学中的)基线，准线　
12．bury vt._______________________13．lung n._______________________14．classificatin n._______________________15．utbreak n.___________________________16．trial n._______________________17．actual adj._______________________18．underline vt._______________________________
埋葬，安葬，埋藏　肺　归类，分类，分级　(战争或疾病)爆发，突然发生　试验；审判，审理　实际的，真实的　强调，使突出；在……之下划线　
19．thrugh adj._______________________20．pse n._______________________21．systematic adj._______________________22．glbe n._______________________23．virus n._______________________24．variatin n.___________________________
彻底的，全面的，详尽的　姿势，姿态　系统化的，有条理的　地球，世界；地球仪　病毒　变化物，变体；差异，变动　
1．cme int cntact with…________________2．be seen as…________________3．the cause f…________________4．be ppsed t________________5．a variety f________________6．as a result f________________7．result in________________
接触　被看作……　……的原因　反对　各种各样的　由于　导致　
8．被分类为……________________9．作为……而出名________________10．克服，战胜________________11．遍布全球________________12．支持；站在……的旁边________________13．乐意做某事________________14．在……的过程中________________
be classified as…　be knwn as…　get ver　acrss the glbe　stand by　be willing t d sth.　in the curse f…　
1．(P58)An epidemic is the name ________ ________ ________ ________ ________(被赋予一种传染病)that rapidly spreads t a large number f peple within a shrt perid f time-usually tw weeks r less. (过去分词作后置定语)【答案】given t an infectius disease
2．(P58)________ ________ ________ ________ ________ ________(最近的新闻报告建立了联系)between bird flu and killer epidemics f the past, Jim Smith lks at the smetimes depressing histry f epidemics fr clues…(with的复合结构)【答案】With recent press reprts drawing parallels
3．(P59)Scientists nw estimate that up t 50% f the area’s ppulatin died frm the epidemic, ________ ________ ________ ________ ________ ________ ________(使之成为最主要的原因之一)f the fall f the Rman Empire. (现在分词作结果状语)【答案】making it ne f the main causes
4．(P59)Having killed up t 50 millin peple in 18 mnths, the Spanish Flu ________ ________ ________ ________ ________(被认为已经是)the mst severe epidemic in histry. (be believed t have dne)【答案】is believed t have been
5．(P59)…gvernments wrldwide have ________ ________ ________ ________(强调这个事实)they want thrugh and systematic medical research n epidemics…(同位语从句)【答案】underlined the fact that
一、阅读理解1．Which f the fllwing can cause epidemics accrding t the passage?A．A virus carried int an area. B．Fewer peple living in an area. C．Peple catching a cmmn cld. D．A wman having a high fever.
2．What can we knw abut bird flu accrding t Paragraph Fur?A．It first appeared in 1987．B．It has taken ver ne thusand lives. C．It is a mdern adaptatin f the 1918 Spanish Flu. D．Peple dn’t wrry that it culd be the next glbal epidemic.
3．What is the visible symptm f The Black Death?A．The eyes becme terribly red. B．The bdy has black spts. C．Peple have a high fever. D．Peple cugh a lt.
4．Which f the fllwing epidemics is believed t have been the mst severe in histry?A．The SARS. B．The Ebla Virus Disease. C．The bird flu. D．The Spanish Flu.
5．What des the writer want t cnvey in the passage?A．He wants t tell us the histry f epidemics. B．He wants t call n the cuntries wrldwide t unite t cnduct thrugh and systematic medical research n epidemics. C．He wants t warn us f the danger f epidemics. D．He wants t give the definitin f an epidemic. 【答案】1—5　ACBDB
二、判断正误1．An epidemic is the rapid spread f an infectius disease. 2．The cmmn cld affects millins f peple and is regarded as an epidemic. 3．A new epidemic can be a different variatin f a virus that peple caught in the past.
4．The Spanish Flu struck near the end f Wrld War II. 5．The SARS epidemic started in 2002 with a case f liver disease in Guangdng Prvince. 6．The actual number f peple dying f the Ebla Virus Disease is mre than 11，310．【答案】1—6　TFTFTT
【答案】Para. 1：B　Para. 2：D　Para. 3—8：C　Para. 9：A
1．variatin n. 变化物，变体；差异，变动(P58)A new epidemic can be a different variatin f a virus that peple caught in the past. 【翻译】一种新的流行病可能是过去人们感染的病毒的不同变种。
【语言提升】vary vi. 变化vary frm…t…从……到……变化A baby’s need fr fd can vary frm day t day. 婴儿对食物的需求天天都在变化。vary with…随着……变化The prices f the vegetables vary with the seasns. 蔬菜的价格随季节而变化。
vary in…在…方面不同Other services vary dramatically in quality. 其他服务在质量上差异很大。variety n. 种类；多样性a variety f＝varieties f各种各样的West Hampstead has a variety f gd stres and supermarkets. 西汉普斯特德有几家不同的高品质商店和超市。
varius adj. 各种各样的Schls use varius methds f testing. 学校采用各种各样的测试方法。
【针对练习】单句语法填空(1)Prices vary frm saln ________ saln, starting at $30 fr a cut and blw-dry. (2)The artist has painted the scene frm ________(vary) viewpints. 【答案】(1)t　(2)varius　
(3)________(variety)f gds fr daily use are available in this department stre. (4)A ________(vary)f a gene can influence peple’s scial behavir. 【答案】(3)Varieties　(4)variatin
2．classify vt. 将……分类；把……归入一类(P58)Each disease can nly fficially be classified as an epidemic nce a certain number f deaths have ccurred frm the disease. 【翻译】只有致死病例达到一定数量，某种疾病才会被正式定性为流行病。
【语言提升】be classified as…被归类为……Only eleven f these accidents were classified as majr. 这些事故中只有十一例被判定为重大事故。classify…int…把……分类为/归类为……Patients are classified int three categries. 病人被归为三种类型。
classificatin n. 分类，归类Chinese garbage classificatin plicy has cme int peratin in several cities. 中国垃圾分类政策已经在多个城市生效。
【针对练习】单句语法填空(1)This mvie is classified ________ pure art, but the ther ne as entertainment. (2)It is necessary t classify the headaches _______ certain types. (3)Ding garbage ________(classify)in a right way can turn waste int wealth, which will benefit us a lt. 【答案】(1)as　(2)int　(3)classificatin
3．ppsed adj. 与某事物相反；反对某事物，不赞成某事物 (P58)…as ppsed t mre cmmn diseases, such as the flu, that have a higher baseline. 【翻译】与流感等更常见的疾病相反，这些疾病的基线更高。
【语言提升】be ppsed t (ding)sth. 反对(做)某事She was strngly ppsed t the idea f mving abrad. 她强烈反对移居国外。as ppsed t…与……相反；而Tw hundred peple attended the meeting, as ppsed t 300 the previus year. 有200人参加了会议，而前一年有300人。
ppse vt. 反对，不赞成ppse (ding)sth. 反对(做)某事The residents ppse tearing dwn the ld building. 居民们反对拆除那栋旧建筑。
ppsite adj. 相反的；相对的n. 反义词；对立面prep. 在—对面adv. 在对面I watched them leave and then drve ff in the ppsite directin. 我目送他们离开，然后开车向相反的方向驶去。
【归纳拓展】表示“反对”的其他表达：bject t (ding)sth. ; be against等。
【针对练习】单句语法填空(1)She was firmly ppsed t her husband ________(take)this trip. (2)We ate in the lcal restaurant, as ppsed ________ the grand ne. (3)He ppsed _______(answer)the private questin in public. 【答案】(1)taking　(2)t　(3)answering
完成句子(4)Mst f the citizens ________ ________ ________ ________ an entertainment center in this area. 大多数市民反对在这个地区建娱乐中心。【答案】are ppsed t building
4．depressing adj. 令人沮丧的，让人忧愁的(P58)…Jim Smith lks at the smetimes depressing histry f epidemics fr clues abut hw we can create a mre psitive future withut epidemics. 【翻译】吉姆·史密斯研究了有时令人沮丧的流行病历史，以寻找我们如何创造一个没有流行病的更积极的未来的线索。
【语言提升】Lking fr a jb these days can be very depressing. 如今求职有时会令人非常沮丧。depress vt. 使沮丧；使抑郁His failing in the exam depressed him. 考试不及格使他很沮丧。
depressed adj. 沮丧的；抑郁的be depressed abut…对……感到沮丧That qute reminded me t stay psitive, nt t becme depressed abut my situatin. 那个引语提醒我要保持积极，不要因自己的处境而消沉。
depressin n. 沮丧；抑郁Many unemplyed peple experience feelings f islatin and depressin. 很多失业者有孤独沮丧的感觉。
【针对练习】单句语法填空(1)He was ________(depress)abut lsing all his mney. (2)That was ne f the mst ________(depress)experiences f my life. (3)Wmen wh eat plenty f fresh vegetables are far less likely t suffer anxiety r ________(depress). 【答案】(1)depressed　(2)depressing　(3)depressin　
完成句子(4)________ ________ ________ ________ was that I was blamed by my teacher. 最让我沮丧的是，我被老师责备了。【答案】(4)What depressed me mst
5．bury vt. 埋葬，安葬；埋藏 (P59)Families wh had nly just gt thrugh the war nw had t bury their lved nes wh had died f the disease. 【翻译】刚刚熬过战争的人们现在不得不埋葬他们死于疾病的亲人。
【语言提升】bury neself in…＝be buried in…埋头于；专心于He was sitting by the windw with his head buried in a bk. 他坐在窗户旁边，埋头看书。bury ne’s face in ne’s hands双手掩面He buried his face in his hands. 他双手掩面。
【归纳拓展】“专心于”的其他表达方式：be absrbed in; fix/fcus/cncentrate n; apply neself t…等。
【针对练习】单句语法填空(1)The dead were ________(bury)in the grund after the terrible earthquake. 【答案】(1)buried　
完成句子(2)When I passed by his rm, I ________ ________ ________ ________ listening t music. 当我经过他的房间时，发现他在专心于听音乐。【答案】(2)fund him buried in
6．actual adj. 实际的，真实的 (P59)11，310 deaths were fficially recrded, but the actual number f deaths is prbably much higher. 【翻译】官方记录的死亡人数为11310人，但实际死亡人数可能要高得多。
【用法详解】in actual fact事实上，实际上I thught the wrk wuld be difficult. In actual fact, it’s very easy. 我原以为这工作会很难，事实上却很容易。
actually adv. 事实上，实际上One afternn, I gt bred and actually fell asleep fr a few minutes. 一天下午，我感到很无聊，实际上有几分钟还睡着了。
【归纳拓展】“事实上，实际上”的其他表达方式：in fact; in reality; in effect; as a matter f fact等。
【针对练习】单句语法填空(1)Many deaths frm heart disease are ________(actual) avidable. (2)He aplgized as sn as he realized what he had dne. ________ actual fact he wrte a nice little nte t me. 【答案】(1)actually　(2)In　
完成句子(3)________ ________ ________ ________ ________, the cuple are cleaning their huse in preparatin fr the new baby’s cming. 事实上，这对夫妇正在打扫他们的房子，为新生儿的到来做准备。【答案】(3)As a matter f fact
7．get ver克服；战胜(P59)The virus was extremely infectius and the survival rate was as lw as 30% in sme areas, indicating that very few peple gt ver it. 【翻译】该病毒传染性极强，一些地区存活率低至30%，也就是说很少有人能康复。
【用法详解】get ver克服；战胜；恢复It tk me a very lng time t get ver the shck f her death. 我过了很长时间才从她去世的震惊中恢复过来。If we can get ver ur present difficulties, then everything shuld be all right. 如果我们能克服现在的困难，那么一切都会好起来。
get thrugh通过(考试)；(电话)接通；完成；熬过Julia failed t get thrugh her mid-term exam. 朱莉娅没有通过期中考试。I think yu can get thrugh the first tw chapters. 我想你能完成前两章。
I tried calling yu several times but I culdn’t get thrugh. 我试着给你打了几次电话，但都没联系上。It is hard t imagine hw peple will get thrugh the cld winter. 很难想象人们将怎样熬过这个寒冷的冬天。
get n/alng with…与……相处；进展Since yu all live under ne rf, yu shuld learn hw t get alng with ne anther. 既然你们都住在同一个屋檐下，你们应该要学习如何与彼此相处。
get dwn t (ding)sth. 着手(做)某事With the electin cming t an end, the gvernment can get dwn t business. 选举已结束，政府能够着手处理正事了。get up起床；站起来He gt up frm his seat and std befre the fireplace, reflecting deeply. 他从座位上站起来，站在壁炉前沉思着。
【针对练习】单句语法填空(1)We need t get dwn t ________(wrk)ut csts. 【答案】(1)wrking　
完成句子(2)I hate dealing with the bank ver the phne because it usually takes ages ________ ________ ________ ________ the right persn. 我讨厌在电话里和银行打交道，因为通常要花很长时间才能接通到合适的人。【答案】(2)t get thrugh t
(3)If yu can just ________ ________ the shyness, just dn’t wrry abut being embarrassed. 如果你能够克服害羞，就不用担心尴尬了。(4)Only when we fllw the laws f nature, can we better ________ ________ ________ ________ it. 我们只有遵循自然法则才能更好地与环境和谐共处。【答案】(3)get ver　(4)get alng well with
8．glbe n. 地球，世界；地球仪 (P59)Cuntries will need t wrk tgether t d this because teamwrk amng natins acrss the glbe can save lives. 【翻译】各国需要共同努力做到这一点，因为全球各国之间的团队合作可以拯救生命。
【用法详解】acrss the glbe世界各地The study included mre than 100 scientists frm acrss the glbe. 这项研究包括来自世界各地的100多名科学家。
glbal adj. 全球的glbal warming全球变暖The threat f glbal warming will eventually frce the U. S. t slw dwn its energy cnsumptin. 全球变暖的威胁将最终迫使美国减慢其能源消耗。
glbally adv. 全球地；世界上Tday, as urban ppulatin expldes glbally, cities becme mre crwded. 今天，随着全球城市人口激增，城市变得更加拥挤。
【针对练习】单句语法填空(1)The scientists are carrying ut a study n the effects f ________(glbe)warming. (2)________(glbal), 75% f pr peple live in rural areas and mst depend n agriculture fr their living. 【答案】(1)glbal　(2)Glbally　
完成句子(3)________ ________ has psed a serius threat t the survival f animals such as plar bears. 全球变暖对北极熊等动物的生存造成了严重威胁。【答案】(3)Glbal warming
1．(P58)With recent press reprts drawing parallels between bird flu and killer epidemics f the past, Jim Smith lks at the smetimes depressing histry f epidemics fr clues abut hw we can create a mre psitive future withut epidemics. 【翻译】最近的新闻报道将禽流感和过去的致命流行病进行了比较，吉姆·史密斯着眼于有时令人沮丧的流行病历史，为我们如何才能创造一个没有流行病的更积极的未来寻找线索。
【句式剖析】句中“With recent press reprts drawing…”为with的复合结构，“recent press reprts”作with的宾语，drawing作宾语补足语。
【归纳拓展】介词with的复合结构中，宾语由名词或代词充当，宾语补足语由形容词、副词、介词短语、动词不定式或分词充当。(1)with＋宾语＋ding(ding表主动或正在进行的动作)With spring drawing near, trees turn green. 随着春天的临近，树木变绿了。
(2)with＋宾语＋t d(t d表示将来的动作)With a lt f prblems t slve, the president is having a hard time. 有很多问题要解决，总统正处于一个困难的时期。(3)with＋宾语＋dne(dne表被动或已完成的动作)He went t sleep happily with his tasks finished. 任务完成后，他愉快地去睡觉了。
(4)with＋宾语＋介词短语/adj. /adv. My math teacher walked int the classrm with a bk in his hand. 我的数学老师手里拿着一本书走进了教室。He was s tired that he feel asleep with the light n. 他太累了，开着灯就睡着了。
【针对练习】单句语法填空(1)T his surprise, the by came ut ________ the watch in his hand. (2)They sat tgether arund the table, with the dr ________ (clse). 【答案】(1)with　(2)clsed　
(3)With the by ________(lead)the way, they easily fund the huse. (4)With a lt f wrk ________(d), he had t stay at hme. 【答案】(3)leading　(4)t d
2．(P59)Having killed up t 50 millin peple in 18 mnths, the Spanish Flu is believed t have been the mst severe epidemic in histry. 【翻译】在18个月内，西班牙流感已导致5000万人死亡，被认为是历史上最严重的流行病。【句式剖析】本句中be believed t have dne意为“被认为已经做了某事”。
【归纳拓展】sb. /sth. is believed t have dne可以替换为It is believed that sb. /sth. did sth. 类似用法的还有：It is said/reprted that…＝sb. /sth. be said/reprted t d sth.
【针对练习】句式转换(1)It is said that he invented the first cmputer. →He was said ________ ________ the first cmputer. (2)It is believed that she is an excellent artist. →She is ________ ________ ________ an excellent artist. 【答案】(1)t invent　(2)believed t be
(3)It is reprted that the scientist is wrking n a significant prject. →The scientist ________ ________ ________ ________ ________ n a a significant prject. 【答案】(3)is reprted t be wrking
一、动词短语的概念英语中有些动词可以和一些别的词构成短语，表达一个概念，其作用与一个单独的动词差不多，这种形式的组合，我们称为动词短语。例如：
leave ff＝stp停止make ut＝understand理解ring up＝telephne打电话arrive at＝reach到达
二、动词短语的构成1．“动词＋副词”，这种结构在英语中使用十分广泛，如果后面接代词作宾语时，只能放在动词和副词之间；如果接名词，可以放在动词和副词之间，也可以放在他们的后面。常见的有：put up, bring up, set up, g up, get up, shw up, lk up, make up, pick up, take up, clean up, cme up, cme n, g n, put n, turn n, get n, take ff, turn ff, put ff, give ut, wrk ut, find ut, run ut, break ut, give away, run away, thrw away, g ver, get thrugh, pull thrugh, g thrugh等。
Please put up the picture n the wall. 请把画贴在墙上。He put n the cat, turned ff the light and went t see a mvie. 他穿上大衣、关上灯去看电影了。
2．“动词＋介词”，其后可以跟名词、代词、动名词等。常见的有：lk after, take after, care fr, care abut, lk fr, lk at, arrive at, run int, break int, listen t等。She is a vlunteer. She is lking after the sick kid in the hspital. 她是个志愿者，她正在医院里照看那个生病的孩子。Sme rbbers brke int a stre and tk away all the mney. 几个强盗闯进了一家商店拿走了所有的钱。
3．“动词＋副词＋介词”，常见的有：lk dwn upn/ n, lk up t, cme up with, put up with, d away with, break away frm, lk frward t等。They lk frward t visiting Paris. 他们盼望着参观巴黎。
We shuld respect thers and never lk dwn n them with their jbs, r disabilities. 我们应该尊重他人，永远不要因为他们的工作或身体残疾而看不起他们。
4．“动词＋名词＋介词”，常见的有：take care f, pay attentin t, put an end t, give rise t, have a lk at等。Please take care f my dg when I leave fr Beijing. 我动身到北京去时，请照看我的小狗。Pay attentin t yur prnunciatin, please. 请注意你的发音。
单句语法填空1．I’m nt ging t put up _______ their smking any lnger. 2．When cmmunicating with thers, yu shuld pay attentin ________ yur attitude in rder t avid making thers feel uncnfrmable. 【答案】1．with　2．t　
3．Things just didn’t wrk ________ as planned. 4．When her dinner partner shwed ________, she pulled up a chair. 5．The cmpany I wrk fr went ________ a rugh perid. 6．He picked ________ the case and walked tward the exit. 7．Jane finally brke away ________ her parents and gt an apartment f her wn.【答案】3．ut　4．up　5．thrugh　6．up　7．frm　
8．We’ve had t put ________ ur wedding until September. 9．Only a plitical slutin culd put an end ________ the vilence. 10．He turned ff the televisin, put ________ his cat, and walked ut. 【答案】8．ff　9．t　10．n
一、单词拼写1．Several ________(factr)had cmbined t ruin ur plans. 2．Yesterday’s unemplyment figures were ________(令人沮丧的). 3．Many events attended by the actr received ________(广泛的)media cverage. 【答案】1．factrs　2．depressing　3．widespread
4．Sme analysts ________(估计)that fd prductin will need t be raised by 50 percent t maintain current levels. 5．The rain had stpped and a star r tw was ________(看得见的)ver the muntains. 6．Sme peple are nt s fnd f pizza. They ________(分类)it as junk fd【答案】4．estimate　5．visible　6．classify　
7．In this field yu dig a hle and in the hle yu ________ (埋藏) a gld piece. 8．First we need t identify ________(实际的)and ptential prblems. 【答案】7．bury　8．actual
9．There is an enrmus ________(差异)in the amunt f sleep peple feel happy with. 10．It must be stressed that this disease is very ________(罕见的). 【答案】9．variatin　10．rare
二、单句语法填空1．What is the mst ________(depress)day f the week? 2．Rich industrialized cuntries have swn the seeds f ________(glbe)warming. 3．He sat with his head ________(bury)in his hands. 4．These huses lk the same but ________(actual)each f them is slightly different in size. 【答案】1．depressing　2．glbal　3．buried　4．actually
5．Mst students are ________(ppse)t the plan f hlding the meeting n Saturday. 6．He was surprised t find his rm ________________ (thrugh) cleaned and everything arranged in perfect rder. 7．________(symptm)include a headache and sre thrat. 【答案】5．ppsed　6．thrughly　7．Symptms
8．Scientists have tried t apprach the questin in a mre ________ (system)way. 9．The cmpany’s exprts have been increasing ________ (steady). 10．The electin results have still nt been ________ (fficial) annunced. 【答案】8．systematic　9．steadily　10．fficially
三、完成句子1．He ________ ________ ________ ________ ________ in Cambridge University at present. 据说他目前正在剑桥大学学习。【答案】is said t be studying
2．The cuple walked ut f the supermarket with ________ ________ ________ ________. 这对夫妇走出超市，他们的孩子跟着他们。【答案】their children fllwing them
3．When yu break up with smebdy yu lve, that’s awful; and it takes time ________ ________ ________. 当你和所爱的人分手了，那是件糟糕极了的事，而且需要很长时间来恢复。【答案】t get ver
4．Children learn t use cmputer prgrams by ________ ________ ________. 儿童通过反复摸索才学会运用计算机程序。【答案】trial and errr
5．The accident happened as the jet was abut ________ ________ ________. 事故是在喷气式飞机正要起飞时发生的。【答案】t take ff