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公共英语三级试题阅读提分训练公共英语三级试题阅读提分训练以下是我为大家搜寻整理的公共Failure isthe motherof success.英语三级试题阅读提分训练,期望能给大家带来帮忙!更多精彩内容请准时关注我们应届毕业生考试网!Flying over a desertarea inan airplane,two scientists looked downwithtrained eyesat treesand bushes.After anhours flight,one of thescientists wrotein hisbook,Look herefor probablemetal.Scientistsin anotherairplane,flying overa mountainarea,sent amessage tootherscientists on the ground,Gold possible.Walking acrosshilly ground,fourscientists reported,This groundshould besearched formetal.From anairplaneoverahilly wasteland a scientistsentback byradio oneword:Uranium.None of the scientistshad X-ray eyes:they hadno magicpower oflookingdown belowtheearth ssurface.They weremerely puttingto useoneofthenewest methodsof locatingminerals inthe ground...treesand plantsas signsthat certainminerals maylie beneaththegroundonwhichthe treesand plantsare growing.This newestmethod ofsearching for minerals isbased on the factthatminerals deepin theearthmay affectthe kindof bushesand treesthatgrow in the surface.(小溪)At WatsonBar Greek,a brooksix thousandfeet highin themountainsof BritishColumbia,Canada,a mineralsearch groupgatheredbags oftree seeds.Boxes werefilled withsmallbranchesfrom the trees.Roots weredug andput intoboxes.Each bagand boxwascarefullymarked.In ascientific laboratory,the partsof theforesttrees wereburned toashes andtested.Each smallpart wasexaminedto learnwhether there were mineralsin it.Study ofthe roots,branches,and seedsshowed nosilver.But thereweresmall amountsofgold in the rootsandalittle lessgold in thebranches andseeds.The seeds growing nearest to thetreetrunks hadmoregold than those growing onthe ends ofthe branches.
26.Scientists wereflying overa desertor ahilly wastelandor.a mountainarea inorder tosearchforin theground.A.goldB.silverC.uraniumD.minerals
27.The studyof trees,branches androots showsthatA.there werelarger amountsof goldin thebranches thanin theseedsB.there weresmaller amountsof goldin theroots thaninthe branchesC.therewereless amountsof goldintheseeds growingontheendsof branches than seedsgrowing nearestto thetree trunksD.there wasmore goldinthebranchesthanintheroots
28.Which isthe besttitle suggestedbelowA.Scientists Searching for Metalswith SpecialPowerB.New Methodsof Searchingfor MineralsC.Gold CouldBe Foundby Treesand PlantsD.A NewMethod ofSearchingforMinerals--Using Treesand Plants
29.Which ofthe followingis NOTmentioned aspart ofa treethatcan helpfind mineralsA.LeavesB.RootsC.BranchesD.Seeds
30.The scientistswere searchingformineralsby usingA.X-rayB.magic powerC.a specialinstrumentD.trained eyes参考译文坐着飞机飞过一片沙漠之地,两位科学家用训练有素的眼睛察看下面的树木和灌木丛经过大致一小时的飞行观看后,其中一位科学家在他的本子上写下这样一句话〃看这里可能有金属矿藏’另一架飞机上的科学家们正飞过一座山区他们给地面观看站的科学家们发了〃可能有金矿’的信息步行越过山地,四名科学家得出报告〃应当在此地查找金属矿藏从飞过多山丘的、荒原的飞机上,一位科学家用无线电发回一个字〃铀没有一个科学家具有射线那样的眼睛他们并没有看透地球表面的X魔力他们仅仅使用了一个最新的技术来定位地下的矿藏树木和植被长在地上,通过他们能显示出某种埋藏在地下的矿物这项最新的查找矿藏的技术是依据这样一个事实,即处在地下的矿物会影响到地面上灌木和树木的生长沃森巴溪是加拿大英属哥伦比亚一座英尺的山上的一条小溪6,000一队矿藏搜寻小组收集了很多包树木的种子;盒子里盛满了小树枝树根也被挖掉放进盒子里每个包和盒子都被认真标记了在科学试验室内,树枝被烧成灰然后做检测检查每个细小的部分是否含有矿藏对树根、树枝和种子的检测并没发觉银元素,但却在树根部发觉了部分金元素,同时在树枝和种子中也发觉了较少的金元素长在最接近树干上的种子要比长在树枝根部的种子含金元素多一些答案及解析语义理解题依据文章第一段的内容提到各种金属,而这些金
26.D属元素是包含在矿里的故本题选择()mineral D.细节题从文中最终一句
27.C Theseedsgrowingnearesttothetree长(trunks hadmore goldthanthosegrowingontheendsofthebranches.在最接近树干上的种子比长在树枝根部的种子要含有更多的金元素)可知答案故本题选择c.主旨题通读全文可知文章的大部分(其次至五段)都在叙述
28.D通过植物来查找矿藏故本题选择D.细节题从最终一段可知,通过讨论和
29.A roots,branches seeds可判定地下是否有矿产,而在文章中却没有提到故本题选择leaves A.细节题从文章第一段的第一句
30.D twoscientistslookeddown with(两位科学家用受过训练的眼睛观看trained eyesat treesandbushes树木和灌木)可知答案故本题选择D.文档内容到此结束,欢迎大家下载、修改、丰富并分享给更多有需要的人。