还剩24页未读,继续阅读
本资源只提供10页预览,全部文档请下载后查看!喜欢就下载吧,查找使用更方便
文本内容:
年雅思考试雅思词汇用个句20247000100子记完套真题中提炼而出的个经典句子,包涵了个雅思词1001007000汇
1.Typical of the grasslanddwellers of the continentisthe Americanantelope,or pronghorn..美洲羚羊,或称叉角羚,是该大陆典型的草原动物
12.Of themillions whosaw Haleyscomet in1986,howmany peoplewill livelong enoughto seeit returninthe twenty-first century.年看见哈雷彗星的千百万人当中,有多少人能够长寿到足以目2,1986睹它在二十一世纪的回归呢?
3.Anthropologists havediscovered thatfear,happiness,sadness,and surpriseare universallyreflectedin facialexpressions..人类学家们已经发现,恐惧,快乐,悲伤和惊奇都会行之于色,这在3全人类是共通的
4.Because of its irritatingeffect onhumans,the useofphenol as a generalantiseptic has been largelydiscontinued.由于苯酚对人体带有刺激性作用,它基本上已不再被当作常用的防腐
5.剂了对地球引力的研究表明,在不寻常的负荷之下地壳和地幔会发生位
40.移
41.The annualworth ofUtahs manufacturingisgreater thanthat ofits miningand farmingcombined..尤它州制造业的年产值大于其工业和农业的总和
4142.The wallfloweris socalled becauseits weakstemsoften grow on wallsand alongstony cliffsfor support.墙花之所以叫墙花,是因为其脆弱的枝干经常要靠墙壁或顺石崖生
43.长,以便有所依附
44.It is the interactionbetween people,rather thantheevents thatoccur in their lives,that is the mainfocusof socialpsychology.社会心理学的主要焦点是人与人之间的交往,而不是他们各自生活
45.中的事件441No socialcrusade arousedElizabeth Williams7enthusiasm morethan theexpansion ofeducationalfacilities forimmigrants to the United States.给美国的新移民增加教育设施比任何社会运动都更多的激发了
46.的热情Elizabeth Williams
47.Quails typicallyhave shortrounded wingsthatenable themto springinto fullflight instantlywhendisturbed in their hidingplaces..典型的鹤鹑都长有短而圆的翅膀,凭此他们可以在受惊时一跃而45起,飞离它们的躲藏地
48.According to anthropologists,the earliestancestorsof humansthat stoodupright resembledchimpanzeesfacially,with slopingforeheads andprotrudingbrows..根据人类学家的说法,直立行走的人的鼻祖面部轮廓与黑猩猩相46似,额头后倾,眉毛突出
49.Not until1866was thefully successfultransatlanticcable finallylaid.,直到年第一条横跨大西洋的电缆才完全成功的架通
47186650.In hiswriting,John CroweRansom describeswhathe considersthe spiritualbarrenness ofsocietybrought aboutby scienceand technology.在他的著作中描述了他认为是由科学技
48.John CroweRansom术给社会带来的精神贫困
49.Children withparents whoseguidance isfirm,consistent,and rationalare inclinedto possesshighlevels ofself-confidence.父母的教导如果坚定,始终如一和理性,孩子就有可能充满自信
50.
51.The ancientHopewell peopleof North Americaprobably cultivatedcorn andother crops,but huntingandgathering werestill ofcritical importancein theireconomy..北美远古的人很可能种植了玉米和其他农作物,但打50Hopewell猎和采集对他们的经济贸易仍是至关重要的51-Using manysymbols makesit possibleto putalarge amountof informationon asingle map.,使用多种多样的符号可以在一张地图里放进大量的信息
5152.Anarchism is a termdescribing acluster ofdoctrinesand attitudeswhose principaluniting featureisthe beliefthat governmentis bothharmful andunnecessary..无政府主义这个词描述的是一堆理论和态度,它们的主要共同点在52于相信政府是有害的,没有必要的53-Probably noman hadmore effecton thedaily livesofmost peoplein theUntied Statesthan didHenryFord apioneer in automobile production..恐怕没有谁对大多数美国人的日常生活影响能超过汽车生产的先
53.驱亨利■福特
54.The useof well-chosen nonsensewords makespossiblethe testingof manybasic hypothesesin thefield of languagelearning.,使用精心挑选的无意义词汇,可以检验语言学科里许多基本的假定
5455.The historyof paintingisafascinating chainofevents thatprobably beganwith the very firstpicturesever made.优化历史是由一连串的迷人事件组成,其源头大概可以上溯到最早
56.的图画
57.Perfectly matchedpearls,strung into a necklace,bring afar higherprice thanthe samepearls toldindividually..相互般配的珍珠,串成一条项链,就能卖到比单独售出好得多的价56钱
58.During theeighteenth century,Little Turtlewaschief of the Miamitribe whoseterritory becamewhatis nowIndiana andOhio.,十八世纪时,、、小乌龟〃是迈阿密部落的酋长,该部落的地盘就是57今天的印第安那州和俄亥俄州
59.Among almostseven hundredspecies ofbamboozsome arefully grownat lessthan afoot high,whileothers cangrow threefeet intwenty-four hours..在竹子的近七百个品种中,有的全长成还不到一英尺,有的却能在58二十四小时内长出三英尺
60.Before staringon asea voyage,prudent navigatorslearnthe seacharts,study thesailing directions,andmemorize lighthouselocations toprepare themselvesforany conditionsthey mightencounter..谨慎的航海员在出航前,会研究航向,记录的灯塔的位置,以便对59各种可能出现的情况做到有备无患
61.Of allthe economicallyimportant plants,palmshave beenthe leaststudied..在所有的经济作物中,棕桐树得到的研究最少
6062.Buyers andsellers shouldbe awareof newdevelopmentsin technologycan anddoes affectmarketingactivities.■购买者和销售者都应该留意技术的新发展,原因很简单,因为技61术能够并且已经影响着营销活动o
63.The applicationof electroniccontrols madepossibleby themicroprocessor andcomputer storagehavemultiplied theuses of the moderntypewriter..电脑储存和由于电子微处理机得以实现的电控运用成倍的增加了现62代打字机的功能
64.The humanskeleton consistsof morethan twohundredbones boundtogether bytough andrelativelyinelastic connectivetissues calledligaments..人类骨骼有二百多块骨头组成,住些骨头石油坚韧而相对缺乏弹性63的,被称为韧带的结蒂组连在一起
65.The pigmentationof apearl isinfluenced by thetype ofoyster in which itdevelops and bythedepth,temperature,and thesalt contentof thewater inwhichthe oysterlives..珍珠的色泽受到作为其母体牡蛎种类及牡蛎生活水域的深度,温度64和含盐度的制约
66.Although mockingbirdssuperbly mimicthe songsandcalls ofmany birds,they cannonetheless bequicklyidentified asmockingbirds bycertain auralclues.尽管模仿鸟学很多种鸟的鸣叫声惟妙惟肖,但人类还是能够依其声
67.音上的线索很快识别它们
68.Not onlycan walkingfish liveout ofwater,butthey canalso travelshort distancesover land..鱼占鱼不仅可以离开水存活,还可以在岸上短距离移动
6669.Scientists donot knowwhy dinosaursbecameextinct,but sometheories postulatethat changersingeography,climate,and sealevels wereresponsible..科学家不知道恐龙为何绝种了,但是一些理论推断是地理,气候和67海平面的变化造成的
70.The scienceof horticulture,inwhichthe primaryconcernsare maximumyield andsuperior quality,utilizes inFORMationderived fromother sciences.主要目的在于丰富和优质的农艺学利用了其他科学的知识
71.
72.Snow aidsfarmers bykeeping heartin thelowerground levels,thereby savingthe seedsfrom freezing..雪对农民是一种帮助,因为它保持地层土壤的温度,使种子不致冻69死
73.Even thoughthe precisequalities ofhero inliterarywords mayvary overtime,the basicexemplaryfunction of the heroseems to remain constant.历代文学作品中的英雄本色虽各有千秋,但其昭世功力却是恒古不
74.变的
75.People inprehistoric timescreated paintsbygrinding materialssuch asplants andclay intopowerand thenadding water.史前的人们制造颜料是将植物和泥土等原料磨成粉末,然后加水
71.
76.Often veryannoying weeds,goldenrods crowdoutless hardyplants andact ashosts tomany insectpests.黄菊花通常令人生厌,它挤走不那么顽强的植物,并找来很多害虫
77.
78.Starting around7000BC,and for the nextfourthousand years,much of the NorthernHemisphereexperienced temperatureswarmer thanat present..大约从公元前七千年开始,在四千年当中,北半球的温度比现在高
7379.When HenryFord firstsought financialbacking formakingcars,theverynotion offarmers andclerksowning automobileswas consideredridiculous..当亨利•福特最初制造汽车为寻求资金支持时,农民和一般职员也能74拥有汽车的想法被认为是可笑的
80.Though oncequite large,the populationofthebaldeagle acrossNorthAmericahas drasticallydeclined inthepast fortyyears..北美秃头鹰的数量一度很多,但在近四十年中全北美的秃头鹰数量75急剧下降
81.The beaverchews downtrees toget foodandmaterial withwhich tobuild itshome.水獭啃倒树木,以便取食物并获得造窝的材料76-77-Poodles wereonce usedas retrieversin duckhunting,but theAmerican Kennel Club doesnotconsider themsporting dogsbecause they are nowprimarilykept aspets..长卷毛狗曾被用作猎鸭时叼回猎物的猎犬,但是美国77KennelClub却不承认它们为猎犬,因为它们现在大多数作为宠物饲养78-As aresult ofwhat isnow knowin physicsandchemistry,scientists havebeen able to makeimportantdiscoveries inbiology andmedicine..物理学和化学的一个成果是使得科学家们能在生物学和医学上获
78.得重大发现
79.The practiceof makingexcellent filmsbased onratherobscure novelshasbeengoing onso longin theUnited States asto constitutea tradition..根据默默无闻的小说制作优秀影片在美国由来已久,已经成为传统
7980.Since theconsumer considersthe bestfruit tobethat whichisthe most attractive,the growermustprovide productsthat satisfythe discerningeye.
5.In grouptoremainin existence,a profit-makingorganization must,in thelong run,produce somethingconsumersconsider usefulor desirable.■任何盈利组织若要生存,最终都必须生产出消费者可用或需要的产品
56.The greaterthe population there isinalocality;thegreater theneed thereis forwater,transportation,and disposalof refuse.•一个地方的人口越多,其对水,交通和垃圾处理的需求就会越大
67.It ismore difficultto writesimply,directly,andeffectively thanto employflowery butvagueexpressions thatonly obscureones meaning.■简明,直接,有力的写作难于花哨,含混而意义模糊的表达
78.With modernoffices becomingmore mechanized,designers areattempting topersonalize themwithwarmer,less severeinteriors.•随着现代办公室的日益自动化,设计师们正试图利用较为温暖而不太8严肃的内部装饰来使其具有亲切感
9.The difference between libeland slanderis thatlibelis printedwhile slanderis spoken.谤和流言的区别在于前者是书面的,而后者是口头的
10..因为顾客认为最好的水果应该看起来也是最漂亮的,所以种植者必80须提供能满足挑剔眼光的产品
81.Television themost pervasiveand persuasiveofmodern technologies,marked byrapid changeandgrowth,is movingintoanew era,an eraofextraordinary sophisticationand versatility,whichpromises toreshape ourlives andour world.工.电视,这项从迅速变化和成长为标志的最普及和最有影响力的现8代技术,正在步入一个新时代,一个极为成熟和多样化的时代,这将重塑我们的生活和世界
84.William RaineyHarper luredhim tothe newuniversityof Chicago,where heremained officiallyforexactly ageneration andwhere hisstudents inadvancedcomposition foundhim terrifyinglyfrigid intheclassroom butsympathetic andunderstanding intheirpersonal conferences..他的教书生涯始于麻省理工学院,但是85William Rainey把他吸引到了新成立的芝加哥大学他在那里正式任职长达整Harper整一代人的时间他的高级作文课上的学生觉得他在课上古板得可怕,但私下交流却富有同情和理解86-The slothpays suchlittle attentionto itspersonalhygiene thatgreen algaegrowonits coarsehair andcommunitiesof aparasitic mothlive in the depthsofits coatproducing caterpillarswhich grazeon itsmouldyhair.Its musclesare suchthat itis quitsincapableof movingat aspeed ofover akilometer anhoureven overthe shortestdistances and the swiftestmovementit canmake isa sweepofitshooked arm..树獭即不讲究卫生,以至于它粗糙的毛发上生出绿苔,成群的寄生87蛾生长在它的皮毛深处,变成毛毛虫,并以它的脏毛为食她的肌肉不能让他哪怕在很短的距离以内以每小时一公里的速度移动它能做的最敏捷的动作就是挥一挥它弯曲的胳膊
88.Artificial flowersare usedfor scientificas wellasfor decorativepurposes.They aremade froma varietyofmaterials,such asway andglass,so skillfullythatthey canscarcely bedistinguished fromnaturalflowers..人造花卉即可用于科学目的,也可用于装饰目的,它们可以用各种89各样的材料制成,臂如蜡和玻璃;其制作如此精巧,几乎可以以假乱真90-Three yearsof researchat anabandoned coalminein Argonne,Illinois,have resultedin findingsthatscientists believecan helpreclaim thousandsofmine disposalsites thatscar thecoal-rich regionsofthe United States.在伊利诺州市的一个废弃煤矿的三年研究取得了成果,
87.Angonne科学家们相信这些成果可以帮助改造把美国产煤区弄得伤痕累累的数千个旧煤场
88.When thepersuading andthe planningfor thewesternrailroads hadfinally beencompleted,thereally challengingtask remained:the dangerous,sweaty,backbreaking,brawling businessof actuallybuildingthe lines..当有关西部铁路的说服和规划工作终于完成后,真正艰难的任务还88没有开始;即危险,吃力,需要伤筋动骨和吵吵嚷嚷的建造这些铁路的实际工作
89.Because ofthe spacecrunch,the ArtMuseum hasbecomeincreasingly cautiousin consideringacquisitionsand donationsof art,in somecasespassing upopportunities tostrengthen iscollections..由于空间不足,艺术博物馆在考虑购买和接受捐赠的艺术品是越来89越慎重,有些情况下放弃其进一步改善收藏的机会
90.The UnitedStates Constitutionrequires thatPresidentbe anatural-born citizen,thirty-five yearsofage orolder,who haslived in the UnitedStates foraminimum offourteen years..美国宪法要求总统是生于美国本土的公民,三十五岁以上,并且90在美国居住了至少十四年
91.Arid regionsinthesouthwestern UnitedStateshave becomeincreasingly invitingplaygrounds for thegrowing number of recreationseekers whoownvehicles suchas motorcyclesor poweredtrail bikesandindulge inhill-climbing contestsor incaving newtrailsinthedesert.美国西部的不毛之地正成为玩耍的地方,对越来越多拥有摩托车
91.或越野单车类车辆的,喜欢放纵于爬坡比赛或开辟新的沙漠通道的寻欢作乐者具有不断增长的吸引力
92.Stone doesdecay,and sotools oflong agohaveremained wheneven thebones ofthe manwho madethemhave disappearedwithout trace..石头不会腐烂,所以以前的(石器)工具能保存下来,虽然它们的制92造者已经消失的无影无踪
93.Insects wouldmake itimpossible forus tolive intheworld;they woulddevour allour cropsand killourflocks andherds,if itwere notfortheprotection wegetfrom insect-eating animals.昆虫就将会使我们无法在这个世界上居住;如果我们没有受到以昆
94.虫为食的动物的保护,昆虫就会吞嚼掉我们所有的庄稼并杀死我们饲养的禽兽
95.It istrue thatduring theirexplorations theyoftenfaced difficultiesand dangersofthemost perilousnature,equipped ina mannerwhich wouldmake amodernclimber shudderat thethought,but theydidnot goout oftheir wayto courtsuch excitement.确实,他们在探险中遇到了极具威胁性的困难和危险,而他们的装
96.备会让一个现代登山者想一想都会浑身颤栗不过他们并不是刻意去追求刺激的
97.There isonly onedifferencebetweenan oldmanand ayoung one:the youngman hasa gloriousfuturebefore himand oldone hasa splendidfuture behindhim:and maybethat iswhere therub is..老人和年轻人之间只有一个区别年轻人的前面有辉煌的未来,老年95人灿烂的未来却已在它们身后这也许就是困难之所在
98.I findyoung peopleexciting.They have an airoffreedom,and theyhave nota drearycommitment tomeanambitions orlove comfort.They arenot anxioussocialclimbers,and theyhave nodevotion tomaterialthings..我们位年强人振奋它们带有自由的气息,他们不会为狭隘的野96心和贪婪享受而孜孜以求他们不是焦虑的向上爬的人,他们不会对物质性的东西难舍难分
99.I amalways amazedwhen Ihear peoplesayingthat sportcreates goodwillbetween thenations,andthat ifonly thecommon peoplesoftheworld couldmeetone anotherat footballor cricket,they wouldhaveno inclinationto meetonthebattlefield.次我听说体育运动能够在国家间建立起友好感情,说世界各地的
100.普通人只要能在足球场或板球场上相遇就会没有兴趣在战场上相遇的话,我都倍感诧异
101.It isimpossible tosay simplyforthefun andexercise:as soonas thequestion ofprestige arises,assoon asyou feelthat youand somelarger unitwill bedisgracedif youlose,themostsavage combativeinstinctsare around.有可能仅仅为了娱乐或锻炼而运动一旦有了问题,一旦你觉得
102.你输了你和你所属团体会有失体面时,你最野蛮的好斗本能就会被激发出来
103.-----------------------------------------It hasbeen foundthatcertain batsemit squeaksand byreceiving theechoes,they canlocate andsteer clearof obstaclesor locateflyinginsectson whichthey feed.This echo-location inbats isoftencompared withradar,the principleof whichis similar..人们已经发现,某些蝙蝠发出尖叫声并靠接受回响来锁定和避免99障碍物一一或者找到它们赖以为生的昆虫蝙蝠这种回响定位法常拿来和原理与之很相近似的雷达相比
104.As thetime andcost ofmaking aclip dropto afewdays anda fewhundred dollars,engineers maysoonbe freeto lettheir imaginationssoar withoutbeingpenalized byexpensive failure..随着芯片制造时间和费用降低到了几天和几百美元,工程师们可能100很快可以任他们的想象驰骋而不会被昂贵的失败所惩罚
10.The kneeisthejoints wherethe thighbone meetsthelarge boneofthelower leg.膝盖是大腿骨和小腿胫的连接处
11.
12.Acids arechemical compoundsthat,in watersolution,haveasharp taste,a corrosiveaction onmetals,andtheability toturn certainblue vegetabledyesred.■酸是一种化合物,它在溶于水时具有强烈的气味和对金属的腐蚀11性,并且能够使某些蓝色植物染料变红
13.Billie Holidaysreputation asa greatjazz-bluessinger restson herability togive emotionaldepth tohersongs.作为一个爵士布鲁斯乐杰出歌手的名声建立在
12.Billie Holidays能够赋予歌曲感情深度的能力
13.Essentially,a theoryis anabstract,symbolicrepresentation ofwhat isconceived tobe reality..理论在本质上是对认识了的现实的一种抽象和符号化的表达
1314.Long beforechildren areabletospeak orunderstanda language,they communicatethroughfacial expressionsandbymaking noises..儿童在能说或能听懂语言之前,很久就会通过面部表情和靠发出噪14声来与人交流了
15.Thanks tomodern irrigation,crops nowgrowabundantly inareas whereonce nothingbut cactiandsagebrush couldlive..受当代灌溉(技术设施)之赐,农作物在原来只有仙人掌和养属科15植物才能生存的地方旺盛的生长
16.The developmentof mechanicaltimepiecesspurred thesearch formore accuratesundials withwhichto regulatethem.机械计时器的发展促使人们寻求更精确的日辱,以便校准机械计时
16.器
17.Anthropology isa sciencein thatanthropologistsuse arigorous setof methodsand techniquestodocument observationsthat canbe checkedby others.人类学是一门科学,因为人类学家采用一整套强有力的方法和技术
18.来记录观测结果,而这样记录下来的观测结果是供他人核查的
19.Fungi areimportant inthe processof decay,whichreturns ingredientstothesoil,enhances soilfertility,.真菌在腐化过程中十分重and decomposesanimal debris-18要,而腐化过程将化学物质回馈于土壤,提高其肥力,并分解动物粪便
20.When itis struck,a tuningfork producesan almostpuretone,retaining itspitch overa longperiod oftime..音叉被敲击时,产生几乎纯质的音调,其音量经久不衰
1921.Although pecansare mostplentiful inthesoutheastern partofthe UnitedStates,theyarefoundas farnorth asOhio andIllinois..虽然美洲山河桃树最集中于美国的东南部但是在北至俄亥俄州20及伊利诺州也能看见它们
22.Eliminating problemsby transferringthe blametoothers isoften calledscape-goating..用怪罪别人的办法来解决问题通常被称为寻找替罪羊
2123.The chieffoods eatenin anycountry dependlargelyon whatgrows bestin itsclimate andsoil.•一个国家的主要食物是什么,大体取决于什么作物在其天气和土壤条22件下生长得最好
24.Over avery largenumberoftrials,the probabilityofan eventsoccurring isequal tothe probabilitythatit willnot occur..在大量的实验中,某一事件发生的几率等于它不发生的几率
2325.Most substancecontract whenthey freezeso thatthedensity ofa substancessolid ishigher thanthedensity ofits liquid..大多数物质遇冷收缩,所以他们的密度在固态时高于液态
2426.The mechanismby whichbrain cellsstorememories isnot clearlyunderstood..大脑细胞储存记忆的机理并不为人明白
2527.By themiddle ofthe twentiethcentury,paintersand sculptorsintheUnitedStateshad begunto exertagreat worldwideinfluence overart..到了二十一世纪中叶,美国画家和雕塑家开始在世界范围内对艺术26产生重大影响
28.In theeastern partof NewJersey liesthe cityofElizabeth,a majorshipping andmanufacturing center..伊丽莎白市,一个重要的航运和制造业中心,坐落于新泽西州的东27部
28.Elizabeth Blackwell,the firstwoman medicaldoctorintheUnitedStates,founded theNew YorkInfirmary,an institutionthat hasalways hadacompletely femalemedical staff.美国第一个女医生,创建了员工一直
29.Elizabeth Blackwell,为女性纽约诊所
30.Alexander GrahamBell oncetold hisfamily thathewould ratherbe rememberedasateacher ofthe deafthanas theinventor ofthe telephone.曾告诉家人,他更愿意让后人记住
29.Alexander GrahamBell他是聋子的老师,而非电话的发明者
30.Because itsleaves remaingreen longafter beingpicked,rosemary becameassociated withthe ideaofremembrance.采摘下的迷迭香树叶常绿不衰,因此人们把迷迭香树与怀念联系在
31.一起
32.Although apparentlyrigid,bones exhibita degreeofelasticity thatenables theskeleton towithstandconsiderable impact..骨头看起来是脆硬的,但它也有一定的弹性,使得骨骼能够承受相31当的打击
33.That xenoncould notFORM chemicalcompoundswas oncebelieved byscientists..科学家曾相信默气是不能形成化合物的3233-Research into the dynamicsof stormsis directedtowardimproving theability topredict theseeventsand thusto minimizedamage andavoid lossof life.对风暴动力学的研究是为了提高风暴预测从而减少损失,避免人员
33.伤亡
34.The eliminationof inflationwould ensurethat theamountof moneyused inrepaying aloan wouldhavethe samevalue asthe amountof moneyborrowed..消除通货膨胀应确保还贷的钱应与所贷款的价值相同
3435.Futurism,an earlytwentieth-century movementinart,rejected alltraditions andattempted toglorifycontemporary lifeby emphasizingthe machineandmotion..未来主义,二十世纪早期的一个艺术思潮拒绝一切传统,试图35通过强调机械和动态来美化生活o
36.One ofthe wildestand mostinaccessible partsofthe UnitedStates isthe Evergladeswhere wildlifeisabundant andlargely protected.是美国境内最为荒凉和人迹罕至的地区之一,此处
36.Everglades有大量的野生动植物而且大多受(法律)保护
37.Lucretia Mottsinfluence wasso significantthatshe hasbeen creditedby someauthorities astheoriginator offeminism intheUnitedStates.的影响巨大,所以一些权威部门认定她为美国
37.Lucretia Motts女权运动的创始人
38.The activitiesoftheinternational marketingresearcherare frequentlymuch broaderthan thoseofthe domesticmarketer..国际市场研究者的活动范围常常较国内市场研究者广阔
3839.The continentaldivide referstoanimaginary lineinthe NorthAmerican Rockiesthat dividesthe watersflowingintotheAtlantic Oceanfrom thoseflowing intothePacific..大陆分水岭是指北美洛矶山脉上的一道想象线,该线把大西洋流域39和太平洋流域区分开来
40.Studies ofthe gravityfieldofthe Earthindicatethat itscrust andmantle yieldwhen unusualweight isplacedon them.。