Unit1Whenwasitinvented?(第4课时)一、听录音或根据音标朗读词汇表中P.46~P.47:Canadian~hero共8个词。并在课文中划出来。二、根据汉语写出下列短语,并在课文中划出来。1被受热爱而活跃的运动6阻止……做某事2在大学里7篮球的流行3在硬地板上8梦想成为…4把……分开9外国选手的数目5游戏的目的10钦佩;仰慕自主探究1.Dr.Naismithdividedthemeninhisclassintotwoteamsandtaughtthemtoplayhisnewgame.奈史密斯博士把班里的男生分成了两队并教他们玩他的新游戏。【解读】句中的divide意为“分开;划分”,divide…into意为“把……分成”,divide还有“分配;隔开;除尽”的意思。【举例】(1)Theroaddivideshere.这条路在这里分岔。(2)Wedividedthecakeintofourparts.我们把蛋糕分成了四份。(3)Hedividedhisenergybetweenpoliticsandbusiness.他把精力分配在政治和生意上。(4)Dividetenbytwo,andyougetfive.十除以二,得五。【练习】(1)Theland______bythefarmermonthsago.A.isdividedB.wasdividedC.dividesD.divided(2)Theearth______24timezones(时区).A.isdividedB.wasdividedC.dividesintoD.isdividedinto2.…theyneedtostopthecompetingteamfromgettingtheballintotheirownbasket.他们还要阻止对手们将球投入他们自己的篮筐。【解读】stop…(from)doingsth.意为“阻止……做某事”,其同义词组有:prevent…(from)doingsth.和keep…fromdoingsth.(from不能省略)【举例】(1)Shestoppedthechildrenplayingneartheriver.她阻止孩子们在河边玩耍。(2)Thebadweatherpreventedusgettingthereontime.恶劣的天气阻止了我们准时到那里。(3)Idon’twanttokeepyoufromyourwork.我不想耽误你的工作。【练习】根据中文完成句子。(1)谁也阻止不了我们去野营。Noonecan________usfrom________________.(2)警察正努力阻止小偷逃跑。Thepoliceare________________________thethief________________________.3.ItisbelievedthatonDecember21,1891,thefirstbasketballgameinhistorywasplayed.人们认为历史上的首次篮球赛是在1891年12月21日举行的。【解读】Itisbelievedthat…为常见的句型,“人们认为……”,其中it是形式主语,真正的主语是that引导的从句。类似的句型还有:Itissaidthat…意为“据说……”,Itisreportedthat…意为“据报道……”。这种句型还可换成主动语句型People(They)believe/say/reportthat…或被动语态句型sb.isbelieved/said/reportedtodosth.【举例】(1)It’ssaidthatthere’sgoingtobeabasketballmatch.据说将会有一场篮球比赛。(2)It’ssupposedthatheisaprofessor.人们猜测他是一位教授。【练习】写出下面句子的同义句。PeoplesaytheSmithswillstayabroadforfiveyears.=It________________thattheSmithswillstayabroadforfiveyears.=TheSmiths________________________stayabroadforfiveyears.第4课时SectionB2a~2e二、短语理解1.much-lovedandactivesport2.atcollege3.onahardfloor4.divide…into…5.thepurposeofthegame6.stop…from7.thepopularityofbasketball8.dreamof…9.thenumberofforeignplayers10.lookupto自主探究1.(1)B(2)D2.(1)stop,going,camping(2)trying,to,stop,from,running,away3.(1)issaid(2)aresaidto