Unit1PastandpresentPeriodnineMaintaskTeachingAims:1.Graspsomenewwordsofthispart.2.Todescribetwopicturesexplainingthedifferencebetweenpastandpresentsituations.3.Togenerateideastodescribespecificdetailsshowninpictures.TeachingSteps:一、Greeting二、Revision三、NewTeaching(一)Newwords:1.freshadj.新鲜的e.g.:freshair/vegetablesTheairsmelledfreshaftertherain.雨后的空气闻起来很清新。2.convenientadj.方便的Itwillbemuchmoreconvenient.它将会方便得多。Thisschoolisveryconvenientforthestation.从这学校去车站很方便。用法：convenient句子中不能以人做句子主语。3.benefitn.好处、帮助bringmanybenefits带来很多好处Childrenwillhavethebenefitofafirstclasseducation.孩子们将受益于一流的教育。4.recentadj.最近的recentnews最近的消息inrecenttimes在近代5.describevt.描述describesth/sb描述某人/某物Canyoudescribethepicturetome?你能向我描述那幅画吗？6.LantauIsland香港大屿山(二)Listentothetapeandtrytounderstandthemeaningofthereport.(三)Somelanguagepoints1.Itusedtobethehomeofmanywildanimals.它过去曾是许多野生动物的家园。词组：usedtodosth过去常常做某事thehomeof…………的家园2.greenhills青山（绿色的山林）freshair新鲜空气3.Theareahaschangedovertheyears.这些年这一地区已经变了。4.Itnolongerprovidesagoodenvironmentforwildlife.它不再为野生动物提供良好的环境了。词组：nolonger=not……anylonger不再（强调时间方面）e.g.:Henolongerliveshere.Hedoesn’tlivehereanylonger.他不再住在这儿了。Icannolongerwait.Ican’twaitanylonger.我不能再等了。providesthfor/tosb=providesbwithsth5.inthepast在过去6.gotoLantauIslandbyferry乘渡船去大屿山7.Thingshavechangedalot事物已发生了巨大变化。8.Itisfastandconvenienttogetthere.到那儿快捷又方便。9.thechangesto…………的变化10.bringmanybenefits带来了许多好处11.causemanyproblemsforwildlife给野生生物带来很多问题cause引起、引发，后可加双宾语e.g.:Speedingcausedtheaccident.超速导致这次事故。Theheavyraincausedtheflood.12.losetheirlivingareas.失去它们的生存空间13.becauseof+名词（词组）14.anoldphoto一张老照片15.arecentphoto一张最近的照片四、Listenandreadthepassage.五、CompletetheexercisesorP18.六、Homework《作》第九课时教后感：
