2、,鼓励学生对if引出的结果进行推测。五.教学手段:多媒体课件六.教学过程:Step1WarmingupandLeadingin1.EnjoyanEnglishsong:Ifyouarehappy.2.Asksomequestions:Ifyouarehappy/bad,whatwillyoudo?IfIamhappy,Iwillsmile…Ifyoubecomesad,whatwillyoudo?IfI becomesad,I will cry...Step2.Presentation.一.1.Showsomepicture