距离2016年6月四级考试越来越近了，现在正是大家备考英语四级最好的时机。新东方网英语四级频道为大家整理了英语四级阅读每天一练，希望可以为大家带来帮助。
Flyingoveradesertareainanairplane,twoscientistslookeddownwithtrainedeyesattreesandbushes.Afteranhour's11oneofthescientistswroteinhisbook,"Lookherefor12metal."Scientistsinanotherairplane,flyingoveramountainregion,senta13tootherscientistsontheground,"Goldpossible."Walkingacrosshillyground,fourscientistsreported,"Thisgroundshouldbesearchedformetals."Fromanairplaneoverahillywastelandascientistsentbackbyradiooneword,"Uranium."
NoneofthescientistshadX-rayeyes:theyhadno14powersforlookingdownbelowtheearth'ssurface.Theywere15puttingtouseoneofthenewestmethodsof16mineralsintheground—usingtreesandplantsas17thatcertainmineralsmayliebeneaththegroundonwhichthetreesandplantsaregrowing.
Thisnewestmethodofsearchingformineralsis18onthefactthatmineralsdeepintheearthmay19thekindofbushesandtreesthatgrowonthesurface.
AtWatsonBarCreek,abrooksixthousandfeethighinthemountainsofBritishColumbia,Canada,amineralsearchgroupgatheredbagsoftreeseeds.Boxeswerefilledwithsmallbranchesfromthetrees.Rootsweredugandputintoboxes.Eachbagandboxwas20marked.Inascientificlaboratorythepartsoftheforesttreeswereburnedtoashesandtested.Eachsmallpartwasexaminedtolearnwhetherthereweremineralsinit.
答案：11.K12.L13.J14.F15.E16.C17.A18.N19.D20.H
