PeriodFiveGrammarandWritingⅠ.句型转换1．Whyshouldn’tyoureadaloud?________________readaloud?2．Workhard，oryou’lllosethejob.__________________________，you’lllosethejob.3．Becarefulwhenyouarecrossingtheroad，oryouwillbeindangeroflosinglife.______________________________whenyouarecrossingtheroad，youwillbeindangeroflosinglife.4．Ifyouturnonthetelevision，youwilloftenseeadvertisementsshowinghappyfamilies.________________________，andyouwilloftenseeadvertisementsshowinghappyfamilies.5．TheboywhoisstandingthereisTom’sson.Theboy________________thereisTom’sson.Ⅱ.完成句子1．Letmehavealookatyournewcamera，__________________(好吗)?2．Let’sgohiking，________________(好吗)?3．________________(动动脑筋)，andyouwillsolveyourproblem.4．________(务必)turnoffthelightsbeforeyouleavethelab.5．________________(小心不要)tomissthefirsttrain.Ⅲ.单项填空1．Ifyouhaveajob，________yourselftoitandfinallyyou’llsucceed.A．dodevoteB．don’tdevoteC．devotingD．notdevoting2．—Whatdidyousay?—Soyou________tome.Beopenminded，butfocusedonsomekeypoints，________？A．didn’tlisten；aren’tyouB．weren’tlistening；willyouC．haven’tlistened；isn’titD．won’tlisten；areyou3．________straighton，andyou’llseeachurch.Youwon’tmissit.A．GoB．GoingC．IfyougoD．Whengoing4．Ifyouwanthelp—moneyoranything，letmeknow，________you?A．don’tB．willC．shallD．do5．Tom，________yourself.Didyouforgettheschoolrules?A．behaveB．believeC．performD．conduct6．Don’tbediscouraged.________thingsastheyare，andyouwillenjoyeverydayofyourlife.A．TakingB．TotakeC．TakeD．Taken7．—________fortheglass!—ItisOK.Iamwearingshoes.A．LookoutB．WalkoutC．GooutD．Setout8．I’veneverseenanyonerunsofast—________Davidgo.A．justwatchB．justtowatchC．justwatchingD．justhavingwatched9．Itistoonoisy，________theTVabit.A．turningoffB．turningdownC．turndownD．turnin10．ThereareeighttipsinDr.Roger’slectureonsleep，andoneofthemis：________tobedearlyunlessyouthinkitisnecessary!A．doesn’tgoB．nottogoC．notgoingD．don’tgo11．Letustakecareofthehousewhileyouareaway，______？A．shan’tweB．shallweC．willyouD．don’tyou12．______yourofficebeforeyouleave.A．CallingB．CallC．CallsD．Called13．—Sorry，Joe.Ididn’tmeanto....—Don’tcallme“Joe”．I’mMr.Parkertoyou，and________youforgetit!A．doB．didn’tC．didD．don’t14．Whynot________yourstudyplaninsteadoffollowingothers’？A．youfollowB．tofollowC．followingD．follow15．Mary，________here—everybodyelse，staywhereyouare.A．comeB．comesC．tocomeD．comingⅣ.阅读理解Inthelast500yearsnothingaboutpeople—nottheirclothes，ideasorlanguages—haschangedasmuchaswhattheyeat.Chocolate(巧克力)drinkwasfirstmadefromtheseedsofthecacao(可可)treebySouthAmericanIndians.TheSpanishintroducedittotherestoftheworldduringthe1500s.Andalthoughitwasveryexpensive，itquicklybecamepopular.InLondon，shopswherechocolatedrinkswereservedbecameimportantplaces.Somestillexisttoday.ThepotatoisalsofromtheNewWorld.Around1600s，theSpanishbroughtitfromPerutoEurope，whereitsoonwaswidelygrown.Irelandbecamesodependent(依赖的)onitthatthousandsofIrishpeoplestarved(挨饿)whenthecropfailedduringtheyearsof1845～1846，andthousandsmorewereforcedtogotoliveinAmerica.TherearemanyotherfoodsthathavetraveledfromSouthAmericatotheOldWorld.Butsomeotherswentintheoppositedirection.Brazilisnowtheworld’slargestgrowerofcoffee，andcoffeeisanimportantcropinot...
