2、程:一、Warm-up1.Singasong. 2.Greetings. 3.复习介词:in on under near 师板画不同的位置出示这些词,生齐读。之后师发指令:Putyourbookonthedesk.Putyourpeninthedesk.Putyourerasernearthebook.Putyourrulerunderthebook.二、Presentationandpractice1.大屏幕出示香蕉,师问:Aretheyapples?启发生答:No,theyaren’t. 师再问:Aretheybananas