新人教必修二Unit3ComputersWarmingup

WarmingupHeavy!Difficult!Hard!Tired!Easy!Fast!Free!CD/DVD-ROMCRTmonitorLCDmonitorCPUharddiscchips/motherboardkeyboardmousemodemscannerprinterspeakerfloppydiscUSBflashdiscCD/DVD/VCDMP3player1243561.monitor2.screen3.CD-ROM4.mouse5.keyboard6.harddiskLabeleachpart1Amonitoris2Thescreenis3Akeyboardis4Amouseis5ACD-ROMis6Aharddiskis(a)thepartofacomputerthatstoresinformation.(b)thepartofthecomputerthatyoutypeon.(c)thepartofthecomputerthatlookslikeatelevision(d)somethingyouusetoclickonthings(files,etc.).(e)thepartofthemonitorthatyoulookat.(f)Themaindevicethatacomputerusestostoreinformation.Matchthewordswiththeirmeanings.

Underlinethecorrectoptiontoformcompoundwords.1keya)doorb)boardc)pocket2weba)designb)lightc)site3ona)timeb)linec)sign4downa)roadb)foodc)load5softa)wareb)bearc)toy6upa)dayb)datec)late7harda)datab)diskc)systemExample:searcha)engineb)motorc)disksearchengineLookatthesepictures.Discusswhattheyhaveincommon.Predictwhatitisgoingtobeabout.What’snext?(Whatdotheyhave

incommon?)Ithinkthat…Inmyopinion…Ibelievethat…What’syourreason?Whydoyouthinkso?1.Theycanbeusedforcalculating.2.Theycandealwithmathsproblems.3.Theyareourfriends.4.Theyareusefulandhelpful.DiscussionHowusefulcomputersare!schoolworkgamesemailsmusicandfilmschatinformationphotosshoppingInternetAskandanswerquestionsinpairs.1.usecomputerforschoolworkYouYourpartner2.playgamesonthecomputer3.sendemailstofriends4.surftheWebforfun5.downloadmusicandfilms6.chatonline7.searchforinformation8.lookatphotographs9.doshoppingonlineHowdoyouusecomputersandtheInternet?TalkfreelyDifferentattitudestowardscomputers.parentsschoolstudentsWriteoutallthewordsyouknowaboutcomputers.computermonitorclicksoftwaresearchupdatedownloadInternetkeyboard根据下列各句句意及所给单词的首字母或汉语提示，写出该单词的正确形式。1.Ana______isacalculatingtoolfordealingwithfiguresinancientChina.2.OneLaptopperChildisanon-profitassociationdevotedtoresearchtodevelopa$100l______foreverychildintheworld.abacuslaptop练习3.Duringthecourse,studentswilldeveloptheir________(分析的)skills.4.Infinalexaminations,seniorhighstudentsarenotallowedtouse_________（计算器）.5.The______（掌上电脑）isacomputerthatfitsinyourhand.calculatorsPDAanalyticalII.用括号内所给词的适当形式填空。1.Musichasbeencalledthe______(universe)language.2.Manykindsof__________(calculate)machineshavebeeninventedsincethe17thcentury.3.The____________(develop)oftheinformationtechnologywasthegr