第五课时选做题Ⅰ.短文改错此题要求改正所给短文中的错误。如无错误，在答题卡相应的位置上画一个勾(√)；如有错误(每行只有一个错误)，则按下列情况改正：此行多一个词：把多余的词写在答题卡相应的位置上，用斜线(﹨)划掉。此行缺一个词：在答题卡相应的位置上写出该加的词，并附带前(后)词。此行错一个词：在答题卡相应的位置上写出该错词和改正后的词。注意：原行没有错的不用改。Thealarmwasfirstgoneoffonthethirdfloor.1.________Peopleleftthebuildinghurriedlybutinaorderlymanner.2.________Theycameoutcarrytheirshoppingbagsandtheirparcels，3.________somenotproperlywrappedandsomenotevenpaid4.________Mostpasserbywaitedinthestreettowatch.Manyofthe5.________shopsandofficesinthestreethadjustclosed.MrClement，6.________theofficerinchargeof，orderedallhoses(软管)7.________toturnedtotheroofofthemainbuilding.Peoplewerepushed8.________backfromtheareaoftheirownsafety.Sevenofficers9.________enteredthebasementorweredrivenbackwithinminutes.10.________Hurriedlytheyputontheirmasks(防毒面具)，readytotryagain.答案：1．was→hadgo是不及物动词，不能用于被动语态。wasgone中gone是形容词，表示“不见了；走了”。2．a→anorderly是以元音音素开头的，所以用不定冠词an。3．carry→carryingcarrying...是现在分词短语作谓语动词cameout的伴随状语。4．paid后加forpayfor表示“付钱买东西”。5．passerby→passersby由其前面的修饰语most可知，该处应该用名词复数形式。6．√7．去掉of在inchargeof短语中of后应该接宾语，没有宾语应该去掉of。8．turned前面加behoses不能自己指向屋顶，必须由人操作，所以用不定式的被动式。9．of→for介词for常用来表示目的，fortheirownsafety指“为了他们的自身安全”。of无此意。10．or→but这里表示意义上的转折，所以用but。Ⅱ.阅读表达1阅读下面短文并回答问题，然后将答案写到题后的横线上(请注意问题后的词数要求)。[1]MedicalresearchisleadingAmericaneducationofficialstoconsiderhavinghighschoolclassesstartlaterinthemorning.Theresearchsaysthatteenagersaremoreawakelateratnightthanadultsare.Whenstayinguplateatnight,theteenagershaveproblemslearningearlyinthemorning.[2]ResearchersinthestateofRhodeIslandmeasuredtheamountofthehormone(荷尔蒙)melatonin(降黑素)inpeople'smouthsatdifferenttimesoftheday.Melatonincausespeopletofeelsleepy.[3]Theyfoundthatmelatoninlevelsriselateratnightinteenagersthantheydoinchildrenandadults.Itremainsathigherlevelsinteenagerslaterinthemorning.Theysaidthisshowsthatteenagershavedifficultylearningearlyinthemorning.YetmostschoolsystemsintheUnitedStatesbeginhighschoolclassesataboutseveno'clock.[4]Afewschooldistrictshavemadesomechanges.In1996,schoolofficialsinEdina,Minnesota,changedthestartofclassesfromseventhirtytoeightthirty.Twoyearslater,thenearbycityofMinneapolisdidthesame.Teacherstherereportedthatstudentswerenolongersleepyinclassandwerehappier.Stayinginschoollaterinthedaydidnotseemtobeaproblemforstudentswhohadjobsafterschooleither.[5]Healthexpertssaythatteenagersneedbetweeneightandninehoursofsleepanight.Students________arelikelytobelateforschool,failtodotheirhomework,fallasleepinclassandhavetroubletakingpartinclassdiscussions.[6]Somepeople,however,don'tsupportalaterstarttimebecausetheysaythatitwouldlimitthetimeforpracticingsportsafterschool.However,theMinnesotaschoolsfoundthatthisdidnothurtschoolsportscompetitions.[7]MoreAmericanschooldistrictsarediscussingthepossibilityofchanginghighschoolstarttimes.Researchersandteenagerssaythattheycannotmakethechangequicklyenough.1．Whatisthebesttitleofthepassage?(Pleaseanswerwithin8words...
