大学英语四级阅读理解试题(内含答案)(18)

英语四级阅读理解训练集(40篇)!

word,'Uranium'.

NoneofthescientistshadX-rayeyes:theyhadnomagicpowersforlookingdownbelowtheearth'ssurface.Theyweremerelyputtingtouseoneofthenewestmethodsoflocationmineralsintheground---usingtreesandplantsassignsthatcertainmineralsmayliebeneaththegroundonwhichthetreesandplantsaregrowing.

Thisnewestmethodofsearchingformineralsisbasedonthefactthatmineralsdeepintheearthmayaffectthekindofbushesandtreesthatgrowonthesurface.AtWatsonBarCreek,abrooksixthousandfeethighinthemountainsofBritishColumbia,Canada,amineralsearchgroupgatheredbagsoftreeseeds.Boxedwerefilledwithsmallbanchesfromtetrees.Rootsweredugandputintoboxes.Eachbagandboxwascarefullymarked.Inascientificlaboratorythepartsoftheforesttreeswereburnedtoashesandtested.Eachsmallpartwasexaminedtolearnwhetherthereweremineralsinit.

Studyoftheroots,branches,andseedsshowednosilver.Butthereweresmallamountsofgoldintherootsandalittlelessgoldinthebranchesandseeds.Theseedsgrowingnearesttothetreetrunkhadmoregoldthanthosegrowingontheendsofthebranches.

Ifthetreeshadnotindicatedthattherewasgoldintheground,thescientistswouldnothavespentmoneytopayfordiggingintothedeeper.Theydiddigandfoundmorefoldbelow.Theydugdeeper.Theyfoundlargequantitiesofgold.

1.Scientistswereflyingoveradesertorhillywastelandoramountainregioninordertosearchfor_____intheground.a.gold

b.silver

c.metals

d.minerals

2.Thestudyoftrees,branchesandrootsindicatesthat_______.

a.therewerelargeramountsofgoldinthebranchesthanintheseeds.

b.thereweresmallamountsofgoldintherootsthaninthebranches

c.therewerelargeramountsofgoldintheseedsgrowingnearesttothetreetrunkthanseedsgrowingontheendsofbranches.d.thereweremoregoldinthebranchesthanintheroots

3.Whichisthebesttitle?

a.Scientistssearchingformetalswithsepcialpower

b.Newmethodsofsearchingforminerals

c.Goldcouldbefoundbytreesandplants

d.Anewmethodofsearchingforminerals---usingtreesandplants

4.Whichofthefollowingisnotmentionedaspartofatreethatcanhelpfindminerals?

a.leaves

b.roots

c.branches

d.seeds

5.Thescientistsweresearchingformineralsbyusing______.

a.X-ray

b.magicpower

c.aspecialinstrument

d.trainedeyes

21/200答案：dcdad

大学英语四级阅读理解试题40篇之二十二（含答案）

22/200

IntheUnitedStates,itisnotcustomarytotelephonesomenoneveryearlyinthemorning.Ifyoutelephonehimearlyintheday,whileheisshavingorhavingbreakfast,thetimeofthecallshowsthatthematterisveryimportantandrequiresimmediateattention.Thesamemeaningisattachedtotelephonecallsmadeafter11:00p.m..Ifsomeonereceivesacallduringsleepinghours,heassumesit'samatteroflifeordeath.Thetimechosenforthecallcommunicatesitsimportance.

Insociallife,timeplaysaveryimportantpart.IntheU.S.A.gueststendtofeeltheyarenothighlyregardediftheinvitationtoadinnerpartyisextendedonlythreeorfourdaysbeforethepartydate.Butitisnottrueinallcountries.Inotherareasoftheworld,itmaybeconsideredfoolishtomakeanappointmenttoofarinadvancebecauseplanswhicharemadeforadatemorethanaweekawaytendtobeforgotten.Themeaningofthimediffersindifferentpartsoftheworld.Thus,misunderstandings

百度搜索“77cn”或“免费范文网”即可找到本站免费阅读全部范文。收藏本站方便下次阅读，免费范文网，提供经典小说教育文库大学英语四级阅读理解试题(内含答案)(18)在线全文阅读。