2019年高考英语总复习 第一部分 教材梳理 Unit 4 Astronomy the science of the stars课件 新人教版必修3.ppt

Unit4 Astronomy thescienceofthestars 核心单词 astronomy astronomer 1 n 天文学 n 天文学家2 n 系统 体系 制度 adj 系统 的 有体系的 system systematic religion 3 n 宗教 宗教信仰4 pron n adj 英 万亿 美 十亿5 n 球体 地球仪 地球 adj 全球 性的 全世界的 billion globe global violent violently violence atmosphere 6 adj 猛烈的 激烈的 强暴的 adv 猛烈地 n 暴力 unlike like 7 n 大气层 气氛 fundamental 8 prep 与 不同 不像 prep 像9 adj 基本的 基础的 n 基础10 adj 有害的 n vt 损害 伤害 11 vi vt 乘 增加 fundament 12 vi 存在 生存 n 存在 harmful harm multiply exist existence 13 adv 因此 于是 thus puzzle 14 n 谜 难题 vt vi 使 迷惑 使 为难 adj 感到疑惑的 adj 令人感到疑惑的15 n 生物学 n 生物学家16 adj 温和的 文雅的 adv 温和地 17 n 气候 puzzled puzzling 18 vi vt 碰撞 坠落 biology biologist 19 n vt 拉 力 拖 牵引力 20 vi vt 使 浮动 使 漂浮 n 漂浮物 gentle gently climate crash pull float 常考短语 time lay give birth turn 1 in 及时 终于 2 eggs下蛋 prevent block cheer 3 to产生 分娩 4 inone s 轮到某人 now get hang 5 from阻止 制止6 out挡住 光线 7 up感到高兴 感到振奋 8 that既然 break watch 9 the of熟悉 掌握 理解10 out突发 爆发11 outfor密切注意 当心 提防 as it happened 经典佳句1 Nooneknowsexactlyhowtheearthbegan solongago 没有人确切知道地球是怎样开始形成的 因为在很早很早以前它就形成了 2 wasuncertainuntilbetween4 5and3 8billionyearsagowhenthedustsettledintoasolidglobe 随后它会变成什么没人能知道 直到38 45亿年前 这团尘埃才慢慢地形成一个固体的球状物 What it was to bee so violent that or not 3 Theearthbecame itwasnotclearwhethertheshapewouldlast 地球 开始 变得激烈动荡 不知道这个固体形状是否会继续存在下去 4 Itexplodedloudlywithfireandrock Theywereintimetoproducecarbondioxide nitrogen watervapourandothergases theearth satmosphere 它猛烈的爆炸喷出了烈火与岩石 最终产生了二氧化碳 氮气 水蒸气和其他多种气体 从而形成了地球的大气层 which were to make 课文回顾 energetic loudly in harmful Theearthwasjustacloudof1 energy dustafterthe BigBang andthenthedustbegantobineintoaballmovingaroundthesun Theearthexploded2 loud withfireandrock tobe3 timetoproducemanythings whichweretomaketheearth satmosphere Thenwaterappearedontheearthandpeoplethinkitisimportantforthebeginningoflife Itallowedtheearthtodissolve4 harm gases Thenlife begantodevelop Nobodyunderstoodplantswerethestartofchanges They5 multiply andfilledthefirstoceansandseaswithoxygen Thisencouragedthe6 develop ofearlyshellfishandfish Landanimalssuchasinsects reptilesanddinosaursappearedafterthe7 one greenplantsappeared Smallcleveranimalsspreadallovertheearth Theydevelopednew8 method ofgrowing huntingandmoving Toomuchcarbondioxideisputintotheatmosphere 9 preventsheatfromtheearthintospace Whetherlifecontinuesdepends10 whetherthisproblemcanbe solved first methods which on multiplied development 单句语法填空1 2017年北京卷 阅读理解D Amachinewithaspecificpurposehasanotherquality onethatweusuallyassociatewithlivingthings awishtopreserveitsown exist 2 2017年北京卷 阅读理解D Ifwearenotcareful then wecouldfaceakindof globe chessmatchagainstverydetermined superintelligentmachineswhoseobjectivesconflictwithourown withtherealworldasthechessboard existence global Now Unlike harmful 3 thatsomanyfarmershavestoppedpickingtea heisconfidentthatpriceswilleventuallygoup 4 like mostpeopleintheofficewhoeto workbycar Iusuallyetoworkbybus in 5 Playingputergamesis harm toourhealth 6 You vemademesufferinthepast sonowyou yourturn sufferagain puzzled puzzling puzzled 7 Therewasa lookonthelittlegirl sfacebecausea problem her puzzle reading what up 8 Therearemanystudentsintheclassroom read books 9 Itisnoneofyourbusiness otherpeoplethinkaboutyou Believeinyourself 10 Let sgotothefootballgameandcheer ourfavouriteteam 1 harmfuladj 有害的 有损害的harmvt n 损害 伤害 危害 beharmfultosb sth doharmtosb sth dosb sth harm harmsb sth 对 有害处 有害于 domoreharmthangood弊大于利outofharm sway在安全的地方 Thereisnoharmin sb s doingsth 某人 做某事无害处 Itdoesnoharm forsb todosth 某人 做某事无害处 名师指津 harmful more do之后的good harm等都是抽象名词 根据要表达的意义 前面可以加great much little no等修饰词 运用 完成句子 每空一词 1 过量喝酒对你的身体有害 Itis toyourhealthtodrinktoomuch 2 许多人认为考试弊大于利 Alotofpeoplearguethatexamsdo harmthangood causing doing serious harm to 3 这些天 违反交通规则和乱扔垃圾的现象很常见 对生活和环境造成了严重的破坏 Thesedays breakingtrafficrulesandlitteringaremon lifeandthe environment no harm in asking 4 他可能会拒绝 但问一问也无妨 Hemaysayno butthere s 2 existvi 存在 生存 维持生活Thereexists existed 某地有 存在 existin存在于 之中 existon liveon靠 生存existby靠 为生 existentadj 存在的 现存的existencen 存在 生存 eintoexistence开始存在 成立 产生bringintoexistence 使 发生 产生inexistence现存的 现有的 名师指津 exists on existence in exist是不及物动词 没有被动语态 也不用于进行时 运用 单句语法填空 1 There exist agenerationgapbetweentheyoungandtheold 2 Theycan texist themoneyhe searning 3 Scientistshavemanytheoriesabouthowtheuniversefirstcameinto exist 4 Therearethreedifferentversionsofhishealthrecordcurrently existence 3 puzzlen 谜 难题 vt vi 使 迷惑 使 为难 beinapuzzle不知如何是好beinapuzzleaboutsth 对某事迷惑不解setapuzzleforsb setsb apuzzle出个谜语叫某人猜puzzleabout oversth 苦苦思索 仔细琢磨puzzlesth out琢磨出 的答案puzzleone sbrain苦思冥想 绞尽脑汁bepuzzledby被 迷惑puzzledadj 感到困惑的puzzlingadj 令人困惑的 名师指津 puzzles beenpuzzling 由过去分词转化过来的形容词如 puzzled confused frightened excited tired surprised等 除了可以描述人的心理活动外 还可以用来修饰与人有关的一些名词 如look voice smile expression face等 运用 单句语法填空 a puzzling 1 What puzzle meiswhytheydon tanswerit 2 Thesescientistshave puzzle abouthowtosolvetheenvironmentalproblem 3 It squite puzzletouswhyhedidthat 4 Hislastpaintingsareperhapsthemost puzzle whichevenpuzzlesalltheartists 4 pulln vt 拉 力 拖 牵引力pullback拉回来 缩回 使 后退 pulldown拉下 窗帘等 拆毁 拆掉 房屋等 pullin 列车等 驶进 到达 车站 pullout拔出 列车等 驶出 出站 启程pulltogether齐心协力 团结起来pullthrough康复 痊愈 名师指津 push 推 与pull 拉 是两个作用力相对的动作 运用 完成句子 每空一词 pull through 1 每个人都很关心他是否能痊愈 Everyonewasveryconcernedaboutwhetherhewould ornot 2 如果我们齐心协力 我们可以用一半的时间完成这项任 务 pull together Ifwe wecanacplishthetaskinhalfofthetime pull in pulling down 3 警车发出信号 要我们驶向路边停靠 Thepolicecarsignalledtousto atthesideoftheroad 4 为了给新旅馆腾地 他们正在拆除那些房屋 Theyare thosehousestomakeroomforanewhotel 1 intime及时 earlyorsoonenough 终于 eventually 迟早 soonerorlater intimefor 刚好赶上intimetodosth 及时做某事ontime准时 aheadoftime提前 提早allthetime一直 始终atonetime曾经 一度atatime每次 逐一 atnotime决不 atthesametime同时 fromtimetotime有时 偶尔 timeandtimeagain一次又一次 一再takeone stime别着急 慢慢来killtime消磨时间 名师指津 intime强调在要求时间之前 或刚好 而ontime侧重准 时 on tosave 运用 单句语法填空 1 Ifyoukeepon you llsucceed time 2 Don tallspeakatonce One atime please 3 Ifyoucan tarrivethere time youshouldinformtheminadvance 4 Theambulancegottherejustintime save hislife in at 2 inone sturn轮到某人 接着inturn轮流 依次byturns轮流 交替taketurnstodosth 轮流做某事It sone sturntodosth 轮到某人做某事 辨析 inturn inone sturn和inreturn for 1 inturn轮流 依次 A B C 如 Thechildrencalledouttheirnamesinturn 孩子们依次报出自己的名字 2 inone sturn轮到某人 接替 如 Whenitisinmyturn Iamtooexcitedtospeak 当轮到我时 我激动得说不出话来 3 inreturn for 反过来 作为对 的回报 A B 如 Iinvitedhimforthesupperwhichwasinreturnforhissaving mydaughter slife 为了感谢他救了我女儿 我邀请他去我家吃晚饭 运用 完成句子 每空一词 1 轮到你用电脑了 It s your turn tousetheputer 2 他们轮流值夜班 taking turns Theywere tobeonthenightshift 3 人们使用自己的小汽车避免公共交通延误 反过来 这 造成了更多的问题 in return Peopletrytoavoidpublictransportationdelaysbyusingtheirowncars andthis createsmoreproblems 3 prevent from阻止 制止stop keep from 阻止 免受 伤害 名师指津 1 在主动语态中 stop和prevent后的from都可以省略 但keep后的from不能省略 wasprevented 2 在被动语态中 此三个短语中的from均不能省略 运用 单句语法填空 1 I prevent fromgoingoutbyurgent business playing 2 Theheavyrainpreventedusfrom play football 3 Wehavetriedourbesttopreventtheriverfrom pollute beingpolluted 4 cheerup感到高兴 感到振奋cheersb up使某人高兴 使某人振奋cheeron为 加油 比赛中 以喝彩声鼓励Cheers 口语 用于祝酒 干杯 cheered him up withgoodcheer欣然地运用完成句子 每空一词 1 这消息使他高兴起来 was to cheer on Thenews 2 我们所做的一切都是为了给我们队加油 Whatwehavedone our team 3 如果他们赢得今晚的决赛 他们队将绕全城游行 届时他们将受到热情支持者的欢呼 Iftheywinthefinaltonight theteamaregoingtotouraroundthecity bytheirenthusiastic supporters to be cheered 原句1 Sowhetherlifewillcontinueontheearthformillions ofyearstoewilldependonwhetherthisproblemcanbesolved 所以 在未来的数百万年中 生命能否在地球上延续取决于这个问题能否得到解决 句中两个whether引导的从句均为名词性从句 前者是主语从句 后者是宾语从句 在引导宾语从句时whether 介词的宾语从句除外 通常可以和if互换 但引导主语从句 表语从句或同位语从句时通常多用whether而不用if 运用 完成句子 每空一词 1 亨利问他是否可以上网 whether humans Henryasked will be able 2 她的问题是人类将来能否在火星上生活 Herquestionis toliveonMars whether he s a 3 他的国籍与他是否是位好老师无关 Hisnationalityisn trelevantto good teacher whether if he could surf the Internet 原句2 butitwillnotbeasstrongapullastheearth s 但它不如地球的引力那么强 as adj a n n as句型是 as as 结构的一种变化形式 as as 比较结构的基本用法 as 形容词或副词原级 as分句 否定形式为notas so as 主句主语与as分句主语不同但比较的项目相同 运用 完成句子 每空一词 1 我想用一种尽可能大众化的方式把我的个人经历表达 出来 as universal a way as Iwanttoexpressmypersonalexperiencein possible 2 这位歌手希望利用尽可能流行的歌曲来表达个人的思 想情感 as popular a song as Thesingertendstoexpresshisfeelingsandthoughtsin possible as difficult a problem as 3 他力图解最难的题目以显示他的聪明 Hetriedtoshowhisintelligencebyworkingout possible 4 迪克和迈克是一样淘气的孩子 Dickis Mike as naughty a boy as 原句3 ButwhenItriedtostepforward IfoundIwas carriedtwiceasfarasontheearthandfellover 而当我试着向前迈进的时候 我发现我被送出去很远 步子的幅度竟然是在地球上的两倍 因而我跌倒了 几种倍数表示法 1 倍数 形容词 副词比较级 than 2 倍数 as 形容词 副词原级 进行比较的名词 as 3 倍数 the 表示衡量的名词 size weight length depth width of 4 倍数 more 进行比较的名词 than 5 倍数 asmany much 进行比较的名词 as 6 倍数 thatof 被比较对象 如 红尺子是那个黄尺子的三倍长 Theredruleristhreetimesaslongastheyellowone Theredruleristwotimeslongerthantheyellowone Theredruleristhreetimesthelengthoftheyellowone threetimes 运用 单句语法填空 1 Thishallisfivetimes big thanourclassroom 2 Theworld spopulationhasgrowntomorethansixtimes itwasin1800 3 InthisworkshoptheoutputofJulywas three thatofJanuary bigger what 运用所学语言基础知识 补充完整下面短文 并背诵下来 IstherelifeonMars Wedon tknow CanwelandonMars Italldepends1 thedevelopmentof2 scientist andtechnology Manhas3 know alittleaboutMars Itmightbeabout50degreesabovezeroatnoonand100degreesbelowzeroatnight whichpreventsusfrom4 live there Now5 Marsisquite6 difference fromourearth ifwegetthehang7 theknowledgeofastronomyandhaveachance8 go toMarsoneday weshouldhavetotakealong9 we ownoxygen food clothingandshelter Butitiscertainthatman10 land onMarsintime on science known living that different of togo our willland 阅读理解 十 阅读理解四大题型之词义猜测题 2 2 句意理解题句意理解题是常见的阅读题型 它不仅考查考生对句子表层意思的理解能力 有时还需要考生结合上下文和平时的知识积累 生活常识和人生阅历来判断或推断句子的深层含义 做该类题目时应注意 1 根据题干 缩小并锁定相关句段 2 挖掘选项异同点寻找提示 3 利用各类词义理解技巧逐一突破关键词 4 抓住表示因果 转折 递进 并列等关系的连词 准确把握句内各分句以及该句所在段落各句间的逻辑关系 例 2015年浙江卷 In2004 whenmydaughterBeckywasten sheandmyhusband Joe wereunitedintheirdesireforadog Asforme Isharednoneoftheircaninelust Butwhy theypleaded BecauseIdon thavetimetotakecare ofadog Butwe lldoit Really You regoingtowalkthedog Feedthedog Bathethedog Yes yes andyes Idon t believeyou Wewill Wepromise Theydidn t Fromdaytwo everyonewantedtowalkthecutepuppythatfirstday neitherthoughttowalkthedog WhileIwasslowtoacceptthatIwouldbetheonetokeeptrackofhershots toschedulehervetappointments tofeedandcleanher Mistyknewthisondayone Asshelookedupatthethreenewhumansinherlife small medium andlarge shecalculated Themediumoneisthesuckerinthepack Quickly sheandIdevelopedsomethingverysimilartoa Vulcanmindmeld 心灵融合 She dlookatmewiththosesad browneyesofhers beamherneed andthenwait trustingIwouldunderstand which strangely Ialmostalwaysdid Innotime she becamemyfifthappendage 附肢 snoringonmyhome office couchasIworked cradlingagainstmyfeetasIread andsplayingacrossmystomachasIwatchedtelevision Evenso partofmecontinuedtoresentwalkingduty Joeand Beckyhadpromised Notfair I dbalk 不心甘情愿地做 silentlyassheandIwalked Notfair I dloudlyremindanyonewithin earshotuponourreturnhome Thenoneday January1 2007 tobeexact myhusband s doctorutteredanunthinkableword leukemia 白血病 Withthat IspenteighttotenhoursadaywithJoeinthehospital doinganythingandeverythingIcouldtoeasehisdisfort Duringthosesixmonthsofhospitalizations Becky 12atthetime adjustedtootheradultsbeinginthehousewhenshereturnedfromschool Myworkcolleaguesadjustedtomytakingoffatamoment snoticeformedicalemergencies Everypartofmylifechanged nopartofmyoldroutineremained Saveone Mistystillneededwalking Atthebeginning whenfriendsofferedtotakeherthroughherpaces IdeclinedbecauseIknewtheyhadtheirownhouseholdstodealwith Asthemonthswentby IbegantorealizethatIactually wantedtowalkMisty ThewalkinthemorningbeforeIheadedtothehospitalwasaquiet peacefultimetogathermythoughtsortojustbebeforetheday smedicaldramaunfolded Theeveningwalkwasatimetoshakeofftheday supsetsandlettheworrytracksinmyheadgotowhitenoise Whenseriousillnessvisitsyourhousehold it snotjustyourdailyroutineandyourassumptionsaboutthefuturethatarenolongerfamiliar Prettymucheveryoneyouknowactsdifferently NotMisty Takeherforawalk andshehadnointerestinJoe sbloodcountsorbonemarrowtestresults Onthestreetorinthepark shehadonlyonethingonhermind squirrels Shewassojoyousthatevenontheworstdays shecouldmakemesmile Onadailybasis sheremindedmethatlifegoeson AfterJoediedin2009 Mistysleptonhispillow I mgrateful toapoint Thetruthis afteryearsofbalking I veetoenjoymywalkswithMisty AsIwatchherchaseafterasquirrel throwingherwholebeingintothehere and nowofanexercisethathasneveronceendedinvictory sheremindsme too thatnomatterhowharshthepresentorunpredictablethefuture there salmostalwayssomemeasureofjoytobeextractedfromthemoment 56 Whichofthefollowingistheclosestinmeaningto Themediumoneisthesuckerinthepack Paragraph3 A Themiddle agedpersonlovesmemost B Themedium sizedwomanisthehostess C Themaninthemiddleistheonewhohasthefinalsay D Thewomanisthekindandtrustworthyoneinthefamily 解析 D 句意理解题 根据前句中3个单词的意思不难 知道small指的是作者的女儿 medium指的是作者 large指的是作者的丈夫 根据后文他们有了心灵相通 不难得出答案 小狗认为这个妇女 也就是作者 是最值得信任的和最好心的 2016年河南省六市联考一 DidyouknowthatAlbertEinsteincouldnotspeakuntilhewasfouryearsold andcouldnotreaduntilhewasseven Hisparentsandteachersworriedabouthismentalability Beethoven smusicteachersaidabouthim Asaposer 作曲家 heishopeless Whatifthisyoungboyhadbelievedit WhenThomasEdisonwasayoungboy histeacherssaidhewassostupidthathecouldneverlearnanything Heoncesaid IrememberIusedtoneverbeabletogetalongatschool Iwasalwaysatthefootofmyclass MyfatherthoughtIwasstupid and IalmostdecidedthatIwasastupidperson WhatifyoungThomashadbelievedwhattheysaidabouthim Whenthesculptor 雕刻家 AugusteRodinwasyoung he haddifficultylearningtoreadandwrite Today wemaysayhehad alearningdisability Hisfathersaidofhim Ihaveanidiot 白痴 forason Hisuncleagreed He suneducable hesaid What ifRodinhaddoubtedhisability WaltDisneywasoncefiredbyanewspapereditorbecausehe wasthoughttohaveno goodideas EnricoCarusowastoldby onemusicteacher Youcan tsing Youhavenovoiceatall AndaneditortoldLouisaMayAlcottthatshewasunabletowriteanythingthatwouldhavepopularappeal Whatifthesepeoplehadlistenedandbeediscouraged WherewouldourworldbewithoutthemusicofBeethoven theartofRodinortheideasofAlbertEinsteinandWaltDisney AsOscarLevantoncesaid It snotwhatyouarebutwhatyoudon tbeethathurts Youhavegreatpotential Whenyoubelieveinallyoucanbe ratherthanallyoucannotbee youwillfindyourplaceonearth 1 What sthemeaningoftheunderlinedsentence He suneducable A Hecan tbetaught C Heisdifferent B Heisveryclever D Heisalatesuccess 解析 A 句意理解题 根据第四段他的父亲和他的叔叔 对他的评价 Ihaveanidiot 白痴 forason Hisuncleagreed 可知 他们都认为他是白痴 据此可以推断 该句意为 他是教不会的 故选A 3 指代关系题 指代关系题是指对文章中某个指示代词进行推测从而弄清它所指代的真实对象的阅读理解题 现行高中英语教学大纲明确要求我们掌握通过上下文语境推测词义的技巧 指代关系题则是这一理念在实践中的应用 判断代词which或it的指代对象 或者根据文章进行推断 问题核心词常有infer accordingtothetext knownfromthetext等 常见的提问方式有 Whatdoestheunderlinedword it referto Whatdoestheunderlinedwordmean 做这类题目的主要方法是 1 弄清上下文的逻辑关系 因果 让步 转折 承接 递进等 这样才能比较准确地判断出题目所涉及的代词的指代意义 2 排除法 即将代词分别替换成四个选项的内容 放回原句看能否讲得通 例 2017年新课标 卷 Someoftheworld smostfamousmusiciansrecentlygatheredinParisandNewOrleanstocelebratethefirstannualInternationalJazzDay UNESCO UnitedNationsEducational ScientificandCulturalOrganization recentlysetApril30asadaytoraiseawarenessofjazzmusic itssignificance anditspotentialasa unifying 联合 voiceacrosscultures Despitethecelebrations though intheU S thejazzaudience continuestoshrinkandgrowolder andthemusichasfailedtoconnectwithyoungergenerations It sJasonMoran sjobtohelpchangethat AstheKennedyCenter sartisticadviserforjazz Moranhopestowidentheaudienceforjazz makethemusicmoreaccessible andpreserveitshistoryandculture Jazzseemslikeit snotreallyapartoftheAmericanappetite MorantellsNationalPublicRadio sreporterNeal Conan WhatI mhopingtoacplishisthatmygenerationandyoungerstarttoreconsiderandunderstandthatjazzisnotblackandwhiteanymore It sactuallycolor andit sactuallydigital Moransaysoneoftheproblemswithjazztodayisthatthe entertainmentaspectofthemusichasbeenlost Themusiccan t bepresentedtodaythewayitwasin1908or1958 Ithastocontinuetomove becausethewaytheworldworksisnotthe same saysMoran Lastyear MoranworkedonaprojectthatarrangedFats Waller smusicforadanceparty justtokindofputitbackinthemindthatWallerisdancemusicasmuchasitisconcertmusic saysMoran Forme it stherecontextualization Inmusic wheredoestheemotion 情感 lie Arewe ashumansgaininganyinsight 感悟 onhowtotalkaboutourselvesandhowsomethingas abstractasaCharlieParkerrecordgetsusintoadialogueaboutouremotionsandourthoughts Sometimeswelosesightthatthemusic hasawidercontext saysMoran soIwanttocontinuethose dialogues ThosearethethingsIwanttofoster 29 Whatdoestheunderlinedword that inParagraph3refer to A Jazzbeingmoreaccessible B Theproductionofjazzgrowingfaster C Jazzbeinglesspopularwiththeyoung D Thejazzaudiencebeinglarger 解析 C 推理判断题 根据前文 Despitethecelebrations though intheU S thejazzaudiencecontinuestoshrinkandgrowolder andthemusichasfailedtoconnectwithyoungergenerations 再结合 It sJasonMoran sjobtohelpchangethat 可推测that指代的是前文中爵士乐在年轻一代人中失去吸引力的现象 故选C Whetherit stohelptheirdogsorthemselves abouthalfofall Americanssurveyedinarecentpoll 民意测验 saytheyexercise regularly Accordingtothepoll mostpeoplewalkforexerciseafewtimesaweek Aboutathirdsaytheywalkeveryday Butaretheykiddingthemselvestothinkawalkisreallyhelpingthem Shouldweallberunningorjoggingifwewanttocountthatactivityasgoodforus Dr TimChurch whostudiestheeffectsofphysicalactivityatLouisianaStateUniversity sPenningtonBiomedicalResearchCenter madeastudyaboutthat Churchheadedastudywith464postmenopausal 绝经后的 womenwho forsixmonths cameintothelabtowalkatreadmill 跑步机 whenresearcherswatched Thefirstgroupwalkedfor73minutesaweek thesecond136minutesaweekandthethird190minutesweekly Thesewomenwerewalkingslowly andcouldeasilycarryonaconversation Surprisingly thegroupthatwasonlywalkingfor73minutesaweekslowlybenefitedalot Churchsays Theysay they vegottenmorephysicallyactivefromwalking Theyhaven tnecessarilylostweight buttheirpantsfitdifferently Hesaysit s becausetheyhavelessbellyfat whichisaverygoodthing ThisdocumentfromtheAmericanHeartAssociationlistsdozensofstudiesshowingsimilarbenefitsfromwalking AndinChurch sstudy participantsgainedmorethanphysicalbenefits Theyalsogainedbenefitslikelessanxietyandfewersymptomsofdepression Theyalsodiscoveredsomethingmanyofuslongfor moreenergy Itwasn tadose response 剂量效应 Themoreexerciseyoudid themoreyourenergywouldincrease Church says Actually allthreeexercisegroupsincreasedtheirlevelsofthesameenergy 2 Whatdoestheunderlinedword that referto A Ifpeopleshouldwalkthedog B Theeffectofrunningorjogging C Ifpeopleneedtoexercisehardtobenefit D Theimportanceofdoingexerciseregularly 解析 C 代词指代题 由第二段开头的 Butarethey kiddingthemselves asgoodforus 及下文的研究可推断 画线词指代人们是否必须做高强度的运动才能受益