Unit15Lesson4Understanding(PeriodTwo)教学目标：Bytheendofthisperiod,youwillbeableto：writeashortpassage,usinglinkingandreferencewo...
Unit15Lesson4Understanding(PeriodOne)教学目标：Bytheendofthisperiod,studentswillbeableto:•understandkeyinformationofthisarticlean...
