人教版高中英语必修二教案：unit3computersperiod1wordsandexpressions

PAGEUnit3ComputersPeriod1Wordsandexpressions教学设计I.Teachingcontents：WordsandexpressionsII.Teachingaims：1).Masterthefollowingwordsandexpressions.calculate;universal;simplify;sum;logical;technology;artificial;intelligence;solve;reality;totally;mobile;explore;anyhow;goal;from…on;asaresult;so…that;humanrace2).Totrainthestudentsinterestedinwordsandmastertheusagesofwordsandphrases.3)words:calculate;universal;simplify;sum;logical;technology;artificial;intelligence;solve;reality;totally;mobile;explore;anyhow;goal4)phrases:from…on;asaresult;so…that;humanraceIII.Keypoints&DifficultiesKeypointsMasterthefollowingwordsandphrases:calculate;universal;simplify;sum;logical;technology;artificial;intelligence;solve;reality;totally;mobile;explore;anyhow;goal;from…on;asaresult;so…that;humanraceDifficultiesUsethewordsandphrasesinthisperiodcorrectly.IV.Teachingprocedure:Step1:Lead-inCheckthestudentspreviewwork..Wordsandexpressionspreview.Step2:ListeningListeningtothewordsandexpressionsforthecorrectpronunciation.Step3:Readafterteacher:Readallthewordsinthisunitafterteacher.Teacherdealwiththewordsthatisdifficulttoread.Step4:Keywordsandexpressions’explanation1.calculatevt.work(sth.)outbyusingnumbers计算2.universaladj.existingeverywhereorinvolvingeveryone普遍的；通用的；宇宙的3.simplifyvt.tomakesomethinglesscomplicatedandthereforeeasiertodoorunderstand简化4.sumn.总数；算术题；金额insum总之；简言之sumup概括；总结5.logicaladj.合逻辑的；合清理的logicallyadv.逻辑上；有条理地6.technology7.artificialadj.人造的;假的8.intelligencenoun[U]theabilitytolearn,understandandmakejudgmentsorhaveopinionsthatarebasedonreason.智力；聪明9.solvevt.解决；解答10.realityn.真实；事实；现实；逼真realadj.真实的；真正的；现实的；实际的；逼真的reallyadv.真正地；到底；确实realizevt.实现；使变为现实inreality实际上；事实上11.totallyadv.全部地，完全地totaladj.总的；总体的；全部的n.总数；总计；合计vt.计算……的总和intotal合计；共计12.mobileadj.可移动的；活动的；流动的；机动的；多变的mobiletroops机动部队amobileface表情丰富的脸13.explorevt.&vi.探索；探测；探究14.anyhowadv.无论如何；即使如此；至少15.goaln.目标；目的；球门16.from…on从……时起17.asaresult结果18.so…that…如此……以致于……与too…to…句型的相互转换19.humanrace人类Step5:ExercisePairwork:studentstrytocompleteexercisesofthisperiodwiththeirpartners.Teachergivethemhelpwhentheydothisexercise.Step6:Homework.1.Memorizethenewwordslearntinthisperiod.2.Previewthewarpingupandpre-readingandtrytoanswerthequestionsinwarmingup.3.Trytofindsomeinformationaboutthedevelopmentofcomputers.V.BlackboarddesignUnit3ComputersWordsandexpressions1insum总之；简言之sumup概括；总结2.technique(n.)technologist(person)tec