浙江省英语二轮复习专题训练：信息匹配

学必求其心得，业必贵于专精学必求其心得，业必贵于专精学必求其心得，业必贵于专精浙江省2012高考英语二轮复习专题训练:信息匹配（100) 阅读下列应用文及相关信息,并按照要求匹配信息。Directions:ReadthefollowingtextandchoosethemostsuitableheadingfromthelistA-Fforeachparagraph。Thereisoneextraheadingwhichyoudonotneed。A.Theengineinyourbody.B。Thelocation，sizeandheartbeatofaheart.C.Whathappenswhentheheartbeats?D.Howdoesyourheartwork？E.Howdoweknowabouttheheart？F。Whatcanadoctortellbyfeelingyourpulse？1。 79.Yourheartislocatedinyourchest，alittletoyourleft。Thisheartofyours,whichisaboutthesizeofyourtwofistsheldtogether,beatsabout90timesaminute.Agrownperson’sheartbeatsabout60to80timesaminute.Theheartbeatisnotjustthesameinallpersons,anditisnotthesameinanyonepersonatalltimes。2。 79.Whenyourheartbeats,itispumpingbloodtoallpartsofyourbody。Ifyoucouldexamineyourheartclosely,youwouldseethatitisreallytwopumpsplacedsidebyside，andworkingatthesametime。Eachpumphastwoparts,theupperpartcalledtheauricle(心房),andthelowerpartcalledtheventricle(心室）。Theauriclesreceivethebloodasitcomesintothemafterithasbeenpumpedthroughthebody.Theventriclespumpthebloodout。Therightonepumpsthebloodtothelungsandtheleftonepumpsthebloodtoallotherpartsofthebody。Atthetopandbottomopeningsofeachventriclearevalves（阀门）whichmakethebloodgoinonlyonedirection.3。 79。Yourheartissometimescalledtheengineorthemotorinyourbodyandsometimescalledthepump.Itworksaway，bothdayandnight.Firstitpumpsoutsomeblood，restsforafewseconds，andthenitpumpssomemore.Inanormalday，theheartpumpsabout2,500gallonsofbloodfromtheauriclesandventricles.4. 79.Byusingastethoscopetolistentotheheart,thedoctorcantellwhetheryourheartisbeatingevenlyandwhetherthevalvesareclosingtightly.Thestethoscopemakesthesesoundssoclearthatthedoctorcanhearthemeasily。Thestethoscopehasanearpiecethatheplacesonyourchestandtubesthatheplacesinhisear。Theearpiececarriesthesoundoryourheart’sbeatingalongthetubestothedoctor'sears,anditmakesthesoundseemmuchlouderthanitreallyis。Thedoctorcouldlistentoyourheartbeatbypullinghisearagainstyourchest.5。 79.Aneasyexperimentcanhelpyouunderstandwhathappenswhentheheartbeats。Youcandothisexperimentwithahollowrubberball。Makeasmallholeinit，andfilltheballwithwaterthroughthehole。Whenyousqueezetheball，youwillnoticehowthewatercomesoutinaspurteachtimeyousqueeze.Aftereachspurttheballcomesbacktoitsroundshapeagain.Somethinglikethishappenswhenyourheartbeats。Themusclesinyourheartgrowsmaller，orcontract，andsqueezethebloodoutoftheheart.Eachtimethishappens，wesayyourheartisbeating.Perhapsyouhavenoticedthatthedoctorplaceshisfingeronthepul