Unit1ChangingWorld教学目标语言知识词汇training,bell,whole,learn
,tidyarticle,granny,describe,afford,education,develop,development,picture,when,abroadhungry,divide,divide
,use,elder,recent,rapid,progress,makeprogress,present,dreamthanksto,capital,note,composition,consider,drawup,check,right,exampleyet,already,everybody,population,takeplace,policy,possibleincrease,rise,medicaldifficulty,energy,trouble,less,offerunless,couple,acoupleof,market,excellent,eventhough,difference,grandsonprovide,stairsfair,exciteskill,drug,succeed,purpose,mention,warsocial,homeandabroaddisableddetail,indetail,support,childlaborer,nowadays,rapidly,entertainmentnarrowslogan,billion,outline,title,conclusionscenery,one-childpolicyum,lifespan,conclude,medicalcarehumanbeingHard-working,pressurehomeless,flood,mate