Jack :What's the difference between a flea and an elephantJill:An clephant can cat a flca but a flca can't havc an clcphant..Jack : What is the best thing to put into a cake.Jill:Ummm, sugar Oh,l know , your teeth.3.基木要求:(1)朗读所给段落;(2)配合教学内容适当板书;(3)...