Step 1情景导入
T：In our daily life, we can see many inventions, such as radios, cars, bikes, telephones, computers and so on. They have changed our life.But which invention do you think is the most useful?
Ss:Of course computer.
T:Maybe you are right. Do you think computers will take the place of books?
S1:Yes,I think so.
S2:No,I disagree with you.
T:We don\'t know what the life will be like in the future.
环节说明：本活动的目的在于激发学生的学习兴趣, 导入本课话题和相关词汇，为后面的学习作知识和语言上的铺垫。
