九年级上U1 T3 SA.ppt

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1、Unit1TheChangingWorldTopic3Theworldhaschangedforthebetter.SectionA三门峡市陕州区张汴学校沈丹Learningaims(学习目标):1、掌握本节课的单词、短语和句子2、能够区分since和for的用法Warm-up英汉互译：事实上，其实2.block3.artist4.大量，数以百万计5.游客，来访者；参观者6.industry7.Chemistry8.term自学指导一：（时间8分钟，独立完成）1.（某人）一直呆在某地2.过去常常做某事3.习惯于做某事4.事实上，其实5.你在纽约已

2、很长时间了6.如果你来你将很快适应它7.他们过去是这样，但是自从我几年前来到这里这个城市已经有了很大的发展8.事实上，它是一个居住的好地方9.你一定要来参观10.这样你就可以亲自看看纽约NewYorkWhattookplaceinNewYork?自学指导二（听录音回答下列问题，5分钟）1.HowdoesBoblikelivingthere?2.HowmuchdoyouknowaboutNewYorkinthepast?3.WhatisNewYorklikenowadays?It’sgreat.Thelocaltrafficwasterriblea

3、ndalmosteveryonedrovetoofast.Thestreetsweredirty.It’sdangeroustolive.ThecityhasimprovedalotsinceIcamehereafewyearsago.Asamatteroffact,it’sawonderfulplacetolive.自学指导三：（独立完成，3分钟）PleasefindoutwhatmentionedaboutNewYorkInthepast:Nowadays:terribletrafficdirtystreetsdangeroustoliveb

4、eautifulparksfamousemuseumsgoodschoolsexcellentrestaurants合作交流（小组内成员合作编对话，5分钟）A:Ihavebeenin...for/since...B:Howdoyoulikelivingthere?A:Itis.../Verygood./Ireally...B:Wasthelocaltrafficterrible/good/...?A:Yes./No,itwas.../usedtobe...inthepast,andnowitis...B:...质疑探究（先独立思考，然后组内讨论

5、）Completethesentenceswithsinceorfor.1.YouhavebeeninNewYork_____alongtime.2.Thecityhasimprovedalot_____Icamehereafewyearsago.forsinceYouhavebeeninNewYorkforalongtime.foralongtimecametoNewYorkpresentpastsb.have/hasbeenin...某人一直在……e.g.Ihavebeeninthenewschoolforaweek.foraweeklast

6、weekpresentpastfor+时间段...,butthecityhasimprovedalotsinceIcamehereafewyearsago.sinceIcamehereafewyearsagocameherepresentpastsince+从句（从句谓语动词用过去式）e.g.Sheworksintheschoolsince1995.since1995livedpresentpastsince+时间点e.g.HehaswaitedforTomsincetwohoursago.sincetwohoursago8:00presentp

7、astsince+时间段+ago10:00Ihaveworkedintheschoolforthreeyears.=Ihaveworkedintheschoolsincethreeyearsago.=Ihaveworkedintheschoolsince2011.=IhaveworkedheresinceIcametotheschool.for+时间段since+时间段+agosince+时间点since+从句Haveatry1.IhavelivedinBeijing______threeyears.______2011.2.Hehaswaite

8、dforTom______twohoursago.______twohours.3.Wehavelearnedchemistry___o