Unit 19Modern agriculture.Teaching Goals:1.Talk about modern agriculture and the effects it has on peoples life.2.Practise giving advice and making decisions.3.Use “It” for emphasis.4.Read statistical graphs.5.Write a plan for a vegetable garden.Teaching Time:Five periods.Background Information:The First PeriodTeaching Aims:1.Improve the students speaking ability by practising giving advice and making decisions.2.Enable the students to master the expressions of g
