book6 unitlanguage point(课堂PPT)

1,Languagepoints,2,1.Havingcollectedandevaluatedtheinformation,Ihelpotherscientiststopredictwherelavafromthevolcanowillflownextandhowfast.考点Havingcollectedandevaluated是动词-ing形式的完成式，说明它表示的动作在主要谓语表示的动作之前发生。考例1Thestormleft,_alotofdamagetothisarea.(2005全国卷I)A.causedB.tohavecausedC.tocauseD.havingcaused,3,点拨“暴风雨破坏”这个动作发生在left之前，故用动词-ing形式的完成式。考例2_inthequeueforhalfanhour,Tomsuddenlyrealizedthathehadlefthiswalletathome.(北京2004)A.TowaitB.HavewaitedC.HavingwaitedD.Tohavewaited点拨此处强调已等了半个小时，然后才意识到没带钱包，故用动词-ing形式的完成式。,4,自我探究evaluatevt.评估；评价；估计。易混辨析evaluate，value，estimate,5,2.Iwasabouttogobacktosleepwhensuddenlymybedroombecameasbrightasday.我刚要再睡，突然我的卧室亮如白昼。品味经典Wewereabouttosetoffwhenitsuddenlybegantorain.我们正打算动身，突然下起了雨。,6,自我探究when在此为并列连词，常用于引导一个突然出现的动作，意为“正在这时/那时”，相当于andatthis/thattime。,7,归纳拓展,8,易混辨析beaboutto，begoingto，beto,9,4.Wehadwhiteprotectivesuitsthatcoveredourwholebody，helmets，bigbootsandspecialgloves.我们都穿着白色的防护服遮住全身，带上了头盔和特别的手套，还穿了一双大靴子。,10,自我探究suitn.C一套外衣；套装vt.适合；使适宜。易混辨析suit，fit,11,5.Havingearliercollectedspecialclothesfromtheobservatory,weputthemonbeforewewentanycloser.考点earlier是副词early的比较级，意为“早些”。考例Thenewgroupofstudentsisbetter-behavedthantheothergroupwhostayedhere_.(北京2007)earlyB.earlierC.earliestD.theearliest,12,6.Today,IamjustasenthusiasticaboutmyjobasthedayIfirststarted.如今，我和开始从事这项工作时一样满怀热情。enthusiastic(about)感兴趣的，热心的,13,Sheseemedenthusiasticabouttheidea.她好象对这个主意很感兴趣。Wegotanenthusiasticresponsefromourcustomers.我们得到了顾客们的热情反应。,14,VII.根据括号内的提示将下列句子翻译成英语。1.我正要出去,天就开始下雨。(beabouttodo),Iwasabouttogooutwhenitbegantorain.,15,2.我爬到山顶,这样能很清楚地看到远处的村庄。(inthedistance)3.我们很吃惊地看到她有了小孩后的变化。(beamazedat),Iclimbedupthehillsoastoseethevillageclearlyinthedistance.,Wewereamazedatherchangingaftershehadababy.,16,4.他尽可能快地跑,以免被熊攻击。(as.aspossible)5.学了一会儿，他向他的床走去。(makeoneswayto),Heranasquicklyaspossibletoavoidbeingattackedbythebear