高二英语下学期.doc

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1、Unit11ScientificachievementⅠ.BriefStatementsBasedontheUnitScienceandtechnologyarepartofproductiveforces.Themodernsocietyhasprovedit.Asweallseenow,scientificachievementshavechangedthewholeworldandmadepeoplebreakawayfromignoranceandbackwardness.Thesocietyhasmadegreatprogress.Thisunitis

2、arrangedaroundthecentraltopic—scientificachievement.InWarmingup,thereareseveralpicturesaskingstudentstotalkaboutthemostsignificantscientificachievements.TheSpeakingpartintroducesfourdifferentscientistswhowanttogetmoneytocompletetheirprojectswhichareveryhelpfultohumanbeings.Thereading

3、material—Zhongguancun,whichiscalledChina’sSiliconValley,isthenewcentreforChinesescienceandtechnology.Bystudyingthisunit,studentsalsoknowthatChinesehistoryisfilledwithgreatachievementsinscienceandtechnology.Inparticular,sincetheyear1995theChinesegovernmentputforwardaplanfor“rejuvenati

4、ngthenationbyrelyingonscienceandeducation”andthishashelpedChinesescientistsmakemanybreakthroughs.ThisunitpresentsfoursuchresultsinIntegratingSkills.AstoGrammar—WordFormation,teachershouldletstudentsmastersomeknowledgeofformingaword,andknowhowtousestemsandaffixestoformacompound.Ⅱ.Teac

5、hingGoals1.Talkaboutscienceandscientificachievement.2.Practiseexpressingintentionsandwishes.3.LearnaboutWordFormation(1).4.Writeapersuasionessay.Ⅲ.BackgroundInformation1.TheInfluenceoftheComputerAbouttenyearsago,thecomputerwasastrangemachine.Notmanypeopleunderstoodit.Notmanypeoplesai

6、dyestoit.Today,muchofthatischanging.Thefirstcomputersystemwasintroducedforuseinbusinessinthemid-1950s.Sincethen,thenumberofcomputersystemsusedinbusiness,governments,andinstitutions(公共机构)hasgrownrapidly.In1975,about250000systemswereinuseintheUnitedStates.Thisfigureisgrowingbytensoftho

7、usandseveryyear.Theelectroniccomputerisanimportantfactorinourlives.Eachyearweusecomputersmoreandmoretohelpustocollectdataandtoprovideuswithinformation.Atonetime,peoplethoughtcomputerswereonlyusefulforbanks,departmentstores,andgovernments.Buttodaytherapidlyincreasingnumberofcomputersa

8、reusedforman