2022-2023学年英语仁爱版九年级上册-Unit-1

Unit1.2Everyyearwehave90millionmore.Thepopulationoftheworld:6.8billionbillion十亿十亿megacity特大城市特大城市ruralareas农村地区农村地区balance平衡平衡sanitation卫生卫生条件条件Whatwewilllearntoday?Questionstobesolved…1.Whatwastheworld’spopulationin2010?2.What’sthepopulationinChina?3.Whataretheproblems?4.Howcanwedealwiththeproblems?Readandfindthemainideaofeachparagraphassoonaspossible!Thepopulationoftheworld:6.8billion1._____Paragraph12._____Paragraph23._____Paragraph3A.themeasurestoproblemsB.theworld’sandAsia’spopulationC.theproblemscausedbylargepopulationABCParagraph1Theworld’sandAsia’spopulation.ReadParagraph1andfillintheblanks.Asiahasapopulationof_________________.That’stosay,morethan_____ofthepeopleintheworldliveinAsianow.morethan3billionhalfWhatweshoulddo?Whatweshouldn’tdo?spitinpublic[spɪt]吐planttreeswalkongrasspickflowerscareforwildanimalsthrow/leaverubbishhereandthere1bListento1aandnumberthefollowingpictures.234151bListento1aandnumberthefollowingpictures.goodbehaviorrudebehavior[bɪ'heɪvjə][ru:d]n.行为，举止adj.无理的，粗鲁的['pʌniʃ]Anyone(whobreakstherules)willbepunished.v.惩罚1.Whichphrasehasthesamemeaningas“isharmfulto”?2.Whichsentenceshowsthatmanyteenagers’hearinginAmericaisnotgood?3.WhyisthehearingofmanyyoungAmericansnotgood?Answerthequestions.“doharmto”.ManyteenagersinAmericacanhear______________65-year-oldpeopledo.Becausetheyalwayslistentoloudpopmusic.nobetterthan1.produceA.tohurtsomeone2.deafB.atypeorakind3.printC.notbeabletohear4.harmD.togrowormakesomething5.sortE.toputwordsorpicturesontopaperusingamachineRead1aandmatchthewordswiththeirmeanings.Peoplewhoworkandliveinnoisyconditionsoftengodeaf.在嘈杂的环境中工作和生活的人容易变聋。定语从句e.g.Beethovenwasdeaf.godeaf变聋e.g.He__________becauseofthetrafficaccident.wentdeafdeafadj.聋的…manyoftheworkerswhoprintnewspapersandbookslosetheirhearing.很多印刷报纸和书籍的工人丧失听力。定语从句e.g.Look!Themanisprintingsomething.loseone’shearing丧失听力aprinterhearingn.听力，听觉printv.印刷Hearv.听到hearingn.听力Beharmfulto=doharmto对…有害Notallpeople=somepeople不是所有人Akindof=asortof一种…Allkindsof=allsortsof各种各样…Lossn.丢失Lose-lost-lostv.丢失Nobetterthan=aswellas几乎等于…Disturbv.打扰Uncomfortable不舒适的comfortable舒适的Unpleasant不愉快的pleasant愉快的Trytodosth努力去做某事Tryone’sbesttososth尽某人最大的努力去做某事Includev.包括includingnoisepollution动名词短语做补充说明A：Whatalargepopulation!Theworld…6.8billion.…80millioneveryyear.B：Whichcountry…?A：China…reach…,andIndia…with….B：…theUSA?A：309million.B：Itshows…developingcountries…developedcountries.A：…isgrowingfaster…B：Soitis.Thepopulationproblem…developingcountriesA：China…carryout…controlthepopulation.3Workingroupsanddiscussthepopulationoftheworld.Thefollowingchartandquestionsmayhelpyou.1.Whichofthese5countrieshasthelargest/smallestpopulation?What’sthepopulationofit?2.Whatcanyoutellfromthepopulationindevelopingcountriesandindevelopedcountries?3.Whatproblemsdoesthelargepopulationcause?4.Whatmeasuresdoyouthinkshouldbetakentocontrolthepopulation?Chinahasthelargestpopulation.ThepopulationofChinais1.3billion.Canadahasthesmallestpopulation.ThepopulationofCanadais34million.Thepopulationindevelopingcountriesislargerthanthatindevelopedcountries.Thelargepopulationmaycauselesslivingspace,morepollutionandsoon.1.Makeupaconversationlike1a.2.PreviewUnit1Topic2-SectionC.