人教版高考英语一轮总复习精品课件 语法专题突破 专题3 第1讲 并列连词 (3).ppt

并列连词用法例句and,or表条件或结果关系,常用于句型“祈使句+and/or+陈述句”中Youhavetomoveoutofthewayorthetruckcannotgetpastyou.你得让出路来,否则卡车无法从你身旁通过。while作为并列连词,强调两种情况的对比Idrinkblackcoffeewhileheprefersmilk.我爱喝黑咖啡,而他更喜欢喝牛奶。[名师点津]when可用作并列连词,相当于andatthis/thattime,意为“正在这/那时;突然”,常用于下列句式:sbbeabouttodo/goingtodo/onthepointofdoingsthwhen...(某人正要做某事,突然……);sbbedoingsthwhen...(某人正在做某事,突然……);sbhadjustdonesthwhen...(某人刚做完某事,突然……)。Hewasabouttogooutwhenthetelephonerang.他正要出去,电话铃突然响了。Hehadjustfinishedwritingareportwhenthebosslethimtypealetter.他刚写完一篇报告,老板就让他打印一封信件。小题快练单句语法填空1.Thekingsentforadvisers,noneofthemcameupwithasolution.2.Plentyofkidsletgoofballoons,accidentallyorinthehopeofsendingamessageandseeingwhereitendsup.?but考查连词。上文提到派人去找谋士,后文说没有一个人能想出解决办法,前后为转折关系,应用but。either考查固定搭配。either...or...“或者……或者”,表示两者中的选择,符合句意,故填either。3.ThecurrentroboticarmsinChinacanhardlyconductsuchcomplexmovements,importedroboticarmswithsuchfunctionsareveryexpensive.?4.Iknewhewasjoking.Ijokedtoo.Isaid,“Ican’tguaranteewhatwouldhappentoyourshopthen!”?and考查并列连词。两个分句分别说明了当前国内机械手的不足之处和进口的同类功能的机械手价格昂贵,由此可知两个分句之间是并列关系。故填and。So考查连词。上文提到作者知道对方在开玩笑,后文说自己也开玩笑,结合前后文可知为因果关系,应用连词so,句首单词首字母要大写。故填So。5.Goingelectricisnotonlyaneco-friendlygoalalsoabusinessreality,accordingtoindustryanalysts.?but考查固定短语。结合句意表示“不仅……而且……”可知短语为notonly...butalso...。故填but。技法图解【例1】Ourfoodsupplydependsonclimateweatherconditions.Agriculturalpracticesmaybeadaptable,butchangeslikeincreasedtemperatures,waterstress,diseases,andweatherextremescreatechallengesforthefarmerswhoputfoodonourtables.?分析:分析句子逻辑关系可知此处climate与weatherconditions为并列关系。【例2】Ifyoulookdownorawayfromapersonratherthanmeetinghimorher,youareconsideredtobeeitherunfocuseduninterestedinhimorher.?分析:由句意可知,空前空后表选择关系,应用连词or,构成固定搭配either...or..