自主学习方案
１．学生自学生词，并记住单词拼写和拼读。
２．预习课本，找出重点短语和句式。（见学案中预习检测的内容）
３．读记后完成预习检测作业。
课堂导学方案
Step１ 情景导入
T：There are many useful things in the world. They help us a lot in life. (Show some pictures on the screen)
Question: When were they invented ?
Students:_____________________________________
1.The telephone was invented in 1876.
2.The computer was invented in…
环节说明：通过课前的一个师生问答互动引入新课的话题；通过图片的展示和语言的描述创设了情境，激发了学生的学习兴趣和表达欲望。
