book6-unit--language-point(课堂PPT).ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,Language points,1,1,.Having,collected and evaluated the information,I help other scientists to predict where lava from the volcano will flow next and how fast.,考点,Having collected and evaluated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1,The storm left,_ a lot of damage to this area.(2005全国卷I),A.caused B.to have caused,C.to cause D.having caused,2,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,_ in the queue for half an hour,Tom suddenly realized that he had left his wallet at home.(北京2004),A.To wait B.Have waited,C.Having waited D.To have waited,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。,3,自我探究,evaluate,vt,.,评估,；,评价,；估计。,易混辨析,evaluate，value，estimate,4,2.I was about to go back to sleep,when,suddenly my bedroom became as bright as day.,我刚要再睡，突然我的卧室亮如白昼。,品味经典,We were about to set off when it suddenly began to rain.,我们正打算动身，突然下起了雨。,5,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and at this/that time。,6,归纳拓展,7,易混辨析,be about to，be going to，be to,8,4.We had white protective,suits,that covered our whole body，helmets，big boots and special gloves.,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。,9,自我探究,suit,n,.C,一套外衣,；套装,vt,.,适合,；使适宜。,易混辨析,suit，fit,10,5.Having earlier collected special clothes,from the observatory,we put them on,before we went any closer.,考点,earlier是副词early的比较级，意,为“早些”。,考例,The new group of students is,better-behaved than the other group who,stayed here _.(北京2007),early B.earlier,C.earliest D.the earliest,11,6,.Today,I am just as,enthusiastic,about my job as the day I first started.,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,12,She seemed,enthusiastic about,the idea.,她好象对这个主意很感兴趣。,We got an,enthusiastic,response from,our customers.,我们得到了顾客们的热情反应。,13,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。(be about to do),I was about to go out when it began to rain.,14,2.我爬到山顶,这样能很清楚地看到远处的村庄。(in the distance),3.我们很吃惊地看到她有了小孩后的变化。(be amazed at),I climbed up the hill so as to see the village clearly in the distance.,We were amazed at her changing after she had a baby.,15,4.他尽可能快地跑,以免被熊攻击。(as.as possible),5.学了一会儿，他向他的床走去。,(make ones way to),He ran as quickly as possible to avoid being attacked by the bear.,After studying for a while,he made his way to his bed.,16,17,18,It is often said that,is supposed to be working,19,