Ex-Taq酶说明书

语法填空训练(一)Manypeoplearewonderingifitissafetotalkonthecellphoneswhiledriving.Mostofpeoplethinkthattheuseofcellphonesshould1(ban)whiletheyaredriving,2inthatcaseaccidentscaneasilyhappen.Agrowingnumberofstatesaremakingrulestokeepyoungdrivers3usingcellphoneswhiletheyaredriving.Whenthereis4caraccident,policeofficerswillfindout5anyofthedriversisusingacellphone.Therehavebeensomeverybadcaraccidents6(cause)bydriversbeingdistractedbycellphones.Driverssometimesforgettowatchtheroad7(careful)whentheyareusingtheirphones.8payingattentiontotheroadcanbedangerous,evendeadly.Itisimportantfordriverstofocus9theroad.Theyneedtopayattentionto10isgoingonaroundthem.So,stopusingyourcellphoneswhiledriving.Keys:1.bebanned2.because3.from4.a5.if/whether6.caused7.carefully8.Not9.on10.what语法填空训练(二)ItwasmyfirstdayinHangzhou,theChinesecityfamousforitsnaturalbeautyandhistoryandIdidn'thavemuchtimetospare.Iwantedtosee31muchofthecityaspossibleinthetwodays32IwastoreturntoGuangzhou.Myfirsttaskwastodecidewheretogoand33togetthere.Itookoutmyguidebookinwhichtherewasalotofinformationaboutthecity'swell-knowntourist34(attract)andstartedtoread.Atthatmomentanattractiveyounglady35noticedmybookcameuptomeandintroduced36.ShesaidhernamewasMissBaiandshekindlyofferedtoshowme37thecity.Iwasdelightedandwasabouttoacceptherproposalwhenshesuggestedwefirst38(go)totheWestLakeandwalkalongtheBrokenBridge.IquitelikedtheideaofvisitingtheWestLakebutwasn'tsosureaboutcrossingtheBrokenBridge.39itwasbroken,didsheexpectmetojumpacross?AndIcouldn'tswim,soifIfellinthenIwoulddrown.ThatwasdefinitelynotanattractiveideasoIpolitelydeclinedherinvitation,40(close)mybookandwalkedaway.Keys:31.as32.before33.how34.attractions35.who/that36.herself37.around38.go39.If/Since/As40.closed语法填空训练(三)IwasalwaystoldthatthethreePs,patience,positivethinkingandperseverance(毅力),wereasurepath31success.Butthisadvicedoesnotalwaysworkasplanned.Myhighschoolmathsexamisoneexample.Theexam,32wasoriginallytobeheldinourclassroom,33(change)tothelibraryatthelastminute.This,34,didn’tbothermebecausemathshadalwaysbeenmystrongestsubject.Ipatientlywalkedtothelibrary,tookmyseatanddidsomedeepbreathingtohelprelax35.ButmymoodquicklychangedwhenIsaw36firstquestion.Ihadnoideahowtodoit.Itriedtostaypositiveandpersevered37Ifinallyfoundthesolution.Withtheproblem38(solve),Ifeltproudofmyachievement.39(fortunate),IthennoticedthatIhadjust10minutesleft40(complete)therest!Keys:31.to32．which33.waschanged34．however35.myself36．the37.until38．solved39.Unfortunately40．tocomplete语法填空训练(四)Decidingwhatpresentyoushouldgivesomeoneisnevereasy.Manythingsmustbeconsideredsuchas31thepersonisinterestedinandhowoldheis.Wemustalsoconsiderthereactionoftheperson32(receive)thegift.Oneofthe33(bad)giftchoicesIevermadewasformyhighschoolEnglishteacher,MsChen.MsChen34(teach)meEnglishsinceJunior1,andtoshowmy35(appreciate)Idecidedtogetherapresent.Iaskedmyclassmatesaboutherinterests36Imademyfinaldecision.ThenIwenttothedepartmentstore37Iworkedpart-timeandboughther38expensivegiftboxofSichuanbeef.IwascertainshewouldlikeitbecauseI39(tell)bymyclassmatesthatshelovedhotfood.Ilefttheboxwithacardonherdesk,andIwassureshewouldlikethem.40wasonlyafterIheardshebecamesickthatIlearnedshecouldn'teatMSG!Keys:31.what32.receiving33.worst34.hadtaught/hadbeenteaching/hastaught/hasbeenteaching35.appreciation36.before37.where38.an39.wastold/hadbeentold40.It语法填空训练(五)Anexpensivecarspeedingdownthemainstreetofasmalltownwassooncaughtupwithbyayoungmotorcyclepoliceman.1hestartedtomakeouttheticket,thewoman2thewheelsaid3(pride),“4yougoanyfurther,youngman,Ithinkyoushouldknowthemayorofthiscityisagoodfriendofmine.”Theofficerdidnotsayaword,5keptwriting.“IamalsoafriendofchiefofpoliceBarens,”continuedthewoman,getting6angryeachmoment.Stillhekeptonwriting.“Youngman,”shepersisted,“IknowJudgeLawsonandStateSenator(参议员)Patton.”7(hand)thetickettothewoman,theofficeraskedpleasantly,“Tellme,doyouknowBillBronson.”“Why,no,”8answered.“Well,thatis9manyoushould10(know),”hesaid,headingbacktohismotorcycle,“IamBillBronson.”Keys:1.As2.behind3.proudly4.Before5.but6.more7.Handing8.she9.the10.haveknown语法填空训练(六)Mysisterhaddroppedoutofschooland31veryunwisedecisionswithherlife.Shechosetospendhertimewithpeoplewhowerelost32shewas.Theyallchosetoignoretheir33(responsible)andsupportedoneanotherinalifewhichinvolveddrinkingandpartying.34(sad),theywerealllosingtime.Theywereyoungandhadthepotentialtobecome35theywantediftheywouldonlychoosetorespectthemselvesandbelieveinabetterlife.Mysisterwaslostbutmyfathernevergaveuponher.Shemaynothaveevenknownitbuthisprayersandfaith36hermayhavebeentheverythingsheneeded.Iremembersittingatthefamilydinnertable37everyonehadgatheredexceptmysister.Onceagainshehadchosentodrinkwithfriendsinsteadofspending38eveningwithourfamilywholovedherverymuch.Wesaidshewouldnotcome.Butmyfathersaidshewould.Weallralliedagainsthim,39(bet)shewouldnotshowupandaskedwhyhewouldsaythat.We40convincedhewasindenial.Hesimplysaid,“Iwillalwaysbetonher,onallofyou.”Keys:31.wasmaking/made32.as33.responsibilities34.Sadly35.whatever\what36.in37.where38.an3