九年级英语life on mars main task教案2

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1、Unit1LifeonMars一.重点单词1.pilln药片(smallroundmedicines)intheformofpillsmedicinen药takethe/somemedicine服药makemedicine制药2.guitarn.playtheguitar/violin/piano…playfootball/basketball/volleyball…playChinesechess/playcards3.sunglassn.wearapairofsunglassesglassn杯子，可数名词tw

2、oglassesofwater玻璃。不可数名词apieceofglass4.pollutedadj.apollutedriverpollutev.Don’tpollutetheriverpollutionn.不可数名词water/air/noisepollution5.developv.growandimproveHowhasitdeveloped?developingadj.发展中的Chinaisadevelopingcountrydevelopedadj.发达的Americaisadevelopedcount

3、ry.developmentnTherehavebeenseveralnewdevelopmentsinelectronics.6.populationn.What’sthepopulationofChina?=HowmanypeoplearethereinChina?7.discussionn.Theprogrammestartedwithadiscussionabouttheproblem.discussvt.shallwediscussthematterlatter?8.dryv.烘干Pleasedryth

4、eseclothes.adj.干燥的Insummeritisverydry.driedadj,干的，干缩的Driedfoodcanbestoredformanymonths.9.imaginev.（1）后接名词或代词Youcan’timaginetheirwords.（2）后跟动名词Trytobeimaginebeingonthemoon.（3）后跟从句Don’timaginethatyouaretheonlypersonintrouble.10.taste（1）link.vThesedumpingstasteg

5、ood（2）n.Doyouhaveatasteofthisgreentea?11.human/people/personhuman主要指“人类，人”；people意为“人们”，着重指全体，是单数形式，但表达复数概念，等于menandwomen;person也可以作“人，人们”着重指个人方面，可以说twopersonshuman-(pl)-humans12.certainadj.becertainofsth,/doingsth.sureadj.certain与sure的含义和用法大致相同，但certain侧重于表示

6、有确定依据或事实，语气比sure强，多作表语，主语可以是物也可以是人；sure多指主观上相信某人或确定某事，主语一般是人.Itiscertainthatnobodylikeswaiting.Areyousureyouborrowedthebookfromthelibrary?13.comparevt.compareAwithB;compareAandBeg.Wecarefullycomparethefirstreportwiththesecond.Itisinterestingtocomparetheirheig

7、htandourweight/14.crowdedadj.可以作定语也可以作表语，意为“挤满的，拥挤的”常用结构是becrowdedwithsth.ThisisthemostcrowdedstreetinShanghai.Thebusiscrowdedwithpeoplewhogotowork.15.anumberof,thenumberof的区别anumberof=numbersof+可数名词的复数+动词形式为复数AnumberofvisitorscometoSuzhoueveryday.thenumberof

8、+名词的复数+动词的三单意思是“……的总和数量Thenumberofthestudentsinourclassis65.16.athalfthespeedoflight以光速的一半（行驶），at(以……速度,价格等)Eg：Thecarisrunningat80kilometresanhour.Iboughtitatalowprice.17.three-eighths八分之