Unit3Teenagersshouldbeallowedtochoosetheir知识要点一、知识点拨1.Ithinkteenagersshouldbeallowedtogooutwiththeirfriends.allow(v.)"允许,准许"的意思。其用法如下:(1)allow+宾语+todosth.例如:MyparentsallowmetogoshoppingonSunday.我父母允许我星期天去购物。(2)beallowedtodosth．(是第一种用法的被动语态形式)例如：Studentsaren’tallowedtosmoke．学生不准吸烟。(3)allowdoing“允许做某事”的意思。例如:Don’tallowtalkinginthereadingroom．阅览室内不准说话。2.Sixteen-year-oldsshouldbeallowedtodrive.Hejustgothisdriver’slicensedrivev.“驾驶；驾车”的意思。drivern．“驾驶员；司机”的意思。-er为名词后缀，加在动词后，可使之转化为名词，表示动作的执行者。例如：teachv.教书teachern．教师workv．工作workern．工人cleanv.把……弄干净cleanern．清洁工另外，-or也有此用法。例如：visitv.参观；访问visitorn．访问者，参观者inventv．发明，创造inventorn.发明者，发明家3:Theytalkinsteadofdoinghomework．(1)insteadof短语介词，“代替而不是”的意思，后跟名词或代词。有时，insteadof可译为“而不”，后跟动名词。例如：Mysisterwilldosomeshoppinginsteadofme.我妹妹将替我去买东西。Hestayedatschoolinstead“goinghome他呆在学校不回家。(2)instead(adv.)“代替”的意思，置于句末。Ifyoucan’tdothat，I’lldoitinstead．如果你不能做那件事，我替你做吧。二、Culturenote1.Parentsindifferentculturesfeelverydifferentlyaboutwhattheirchildrenshouldandshouldnotbeallowedtodo.IntheUnitedStatessometeenagersaregivenalotoffreedomatanearlyage.Thisdoesn’tmeanthattheirparentsdon’tcarewhathappenstotheirchildren.Itmeansthattheculturethinksitisimportantforteenagerstolearntobeindependent.三、ActivityandProbeGame1:BingoGoal:Toprovideanoralreviewofkeyvocabularywordsinunits1～3.Procedure:Havestudentsopentheirbooksonpage130.FocusattentionontheWordBoxonpage131.Askstudentstoreadaloudthewordsandexpressionsandfindoutthemeaningsofanywordsorexpressionstheydon’tknow.Theycandothisbyreviewingthelessons,askingtheteacher,askingclassmatesorusingadictionary.Setatimelimitoftwominutesforstudentstoreadtheinstructions.Putstudentsintotwoormoreteams.Say,PleasechoosesixteenwordsorexpressionsfromtheWordBoxandwritethemintheboxesonpage130.ThentheteachercallsoutwordsandexpressionsfromtheWordBox.Askstudentstocirclethewordsandexpressionshisorherteamhas.Whensomeonehasfourinarow,callsout,Bingo!Thenquicklygiveacorrectsentenceforeachwordandexpressionintherow.EachcorrectBingogetsthatteamapoint.Theteamwiththemostpointswins.
