高中英语北师大版Unit21HumanBiology 课时作业18

课时作业(十八)Unit21HumanBiology条件句和混合条件句Ⅰ.用所给动词的适当形式填空hehadn’tlearntJapaneselastterm，he____________(not，speak)itsofluentlynow.答案：couldnotspeak2．Ifyou____________(set)offyesterday，you____________(walk)withyourmothernow.答案：hadset；wouldwalk3．IfIhadworkedhardatschool，I____________(study)inthisfamousuniversitynow.答案：wouldstudy4．—Luckilywehadarrivedbeforetheraincame.—Yes，we____________(walk)intherainnowifwe____________(not，start)outearlier.答案：wouldbewalking；hadn’tstarted5．IfI____________(not，have)somanyfriends，I____________(not，finish)thetaskwithinsuchashorttime.答案：hadn’t；wouldn’thavefinished6．____________I____________(devote)moreenergiestomystudyinsteadofbeingcrazyaboutInternetgames，Iwouldbesittinginacomfortableofficenow.答案：Had；devoted7．____________I____________(persuade)himnottodoso，hewouldn’thavemadesuchaseriousmistake.答案：Had；persuaded8．____________I____________(learn)mylessonshard，Iwouldn’thavefailedinthefinalexams.答案：Had；learned9．Ifyouhadbroughtyourswimsuitwithyou，we____________(go)swimminginthelakenow.答案：couldgo10．____________you____________(fire)，yourhealthcareandotherbenefitswillbeimmediatelycutoff.答案：Should；befiredⅡ.完成句子1．他要是多得六票，现在就是我们的主席了。Ifhe__________________sixmorevotes，he______________ourchairmannow.答案：hadreceived；wouldbe2．如果玛丽是一位个性强的姑娘，当时她就会拒绝老板了。IfMary______________________agirlofstrongcharacter，she______________________“No”toherboss.答案：were；wouldhavesaid3．要不是有医生的照料，我此时就不会在这里和你说话了。Ifit______________________forthedoctor’scare，I______________________toyounow.答案：hadn’tbeen；wouldnotbespeaking4．如果你登上那航班，你现在就不会在此享受生活了。Ifyou______________________onboardtheplane，you______________________yourlifeherenow.答案：hadgone；wouldnotbeenjoying5．如果你昨天来，你就会碰到乔治娅了。Ifyou________________yesterday，you__________________Georgia.答案：hadcome；wouldhavemetⅢ.语法与写作(按照要求转换句子)1.Hadyoufollowedyourfather’sadvice，youwouldbemuchbetternow.(转换为if条件句)→________________________________________________________________________答案：Ifyouhadfollowedyourfather’sadvice，youwouldbemuchbetternow.2．Ifyouhadnothelpedme，Iwouldhavefailed.(转换为含蓄虚拟条件句)→________________yourhelp，Iwouldhavefailed.答案：Without/Butfor3．IfIwereateacher，Iwouldhavelotsofstudents.(转换为省略句)→________________Iateacher，Iwouldhavelotsofstudents.答案：Were4．IfweshouldvisitZhejiangUniversitytomorrow，Iwouldplaybasketballthere.(转换为省略句)→__________________ZhejiangUniversitytomorrow，Iwouldplaybasketballthere.答案：Shouldwevisit情态动词和表达法Ⅳ.用适当的情态动词填空1．Ourparentsandteachersoftentellusthatwe________notbecarefulenoughnomatterwhatwedo.答案：can2．—CanIborrowyourcar，Mum?—Ifyou________.答案：must3．Thenewlawstatesthatpeople________notdriveafterdrinkingalcohol.答案：must4．MrSmithhaspromisedthatallofuswillpasstheexam，soit________notbesodifficultasyouimagine.答案：can5．MissAmelialeftadeepimpressiononuswhileworkinginour________greetuswithasmilewhenevershemetus.答案：would6．—Georgehadtogiveaspeechinfrontof5,000people.—Whew！That’sabig________havebeennervous.—Hewas，butnobodycouldtell.答案：must7．—Thewinneroftheraceisatallandthinboywiththickglasses.—Thenit________notbemyfriend，Mike，wholookslikea“meatball”．答案：can8．Weareallsurprisedatthefactthatthetwoneighbors________notknoweachotherthoughhavinglivedsoclosefor8years.答案：should9．—CanIpaythebillbycheck?—Sorry，itisthemanagementruleofourhotelthatpayment________bepaidincash.答案：shall10．—CouldIhavethetelevisionon?—Yes，you________./No，you________.答案：can；can’t11．Ifthatisthecase，we________aswelltry.答案：may/might12.Youhaveworkedhardalltired.答案：must13．Idressedverywarmlyforthetrip，butI________havedoneweatherwashot.答案：needn’t14．Mike________havefoundhiscar，forhecametoworkbybusthismorning.答案：can’t15．—Whydidn’tyouanswermyphonecall?—Well，I________havebeensleeping，soIdidn’thearit.答案：must16.Thisoldmanisforhourswithoutsayinganything.答案：willⅤ.任务型阅读HowtofindtimeforyourselfDoyoueverfindyourselflongingforsometimeforyourself？Manyofusaresobusywithwork，school，andhomelifethatoftenthereisnotimeleftovertodosomethingthatyouenjoy.Whatfollowsaresomewaystocarveoutthatessentialtimeyouneedtoslowdown，enjoylife.1．________Thisisagreatonebecauseyou’reaccomplishingmanythingsat’regettingexercise，youhavetimetothinkorenjoymusic，andyou’rehelpingtosavetheenvironment.ArriveThenusethistimeforyourself：reading，writing，relaxation，thinking，whatever.Buyticketsinadvance.Sports，theater，concerts，oranyothereventyouwouldtheplanswithafriendwithothersaskyoutodothingsthosenights，justtellthemyouhavethetimeforgardening，reading，exercise，ordoingnothing!5．________Whatareyouinterestedin？Strikewhiletheironisupaclubinyourareatodayandjoin！Ifyoucan’tfindaclub，considerstartingoneyourself!A．Joinagroup.B．Walktowork.C．Takeaneducationclass.D．Trytosavecertainweeknightsjustforyou.E．Ifyouwantmoretimeforyourself，youcangetit.F．Anyappointmentthatyouhave，plantoarrive15－30minutesearly.G．Havingtheticketsalreadyinyourhandwillforceyoutomakeithappen!答案：Ⅵ.短文改错ThereisnothingIlikemorethanlikedifferentformsofliterature—novel，shortstoriesandsoliketoreadwhateverIhaveabitofquiettime—likeearlyinthemorning，duringlunchhour，andatnightwhenI’mlyingintheusuallyreadinasmallstudynexttohisliving’slikeasmalllibrarywithgoodnaturalreallydon’tenjoyreadingincoffeeshopsorpublicneedquietspacetobooks，Ioftenskimthroughmagazinesandnewspapers，andIamfondofdothearefunandcollectarticlesfromnewspapersforusefulinformationorme，readingwasaspiritualexperiencethatgivesmegreatpersonandmoviescan’tdocan’tthinkaboutanybetterwaytorelaxandforgetthepressureofeachday.答案：ThereisnothingIlikemorethanlikedifferentformsofliterature—eq\o(novel,\s\do10(novels))，shortstoriesandsoliketoreadeq\o(whatever,\s\do10(whenever))Ihaveabitofquiettime—likeearlyinthemorning，during