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。
3.读、记后完成学案中自学导练作业。
Step 1 情景导入
T:How did we get information in the past？
S1:From the huge books with thousands of pages.
T:What about now?
S2:On the Internet.
T:We can also get it on mobile phone. Is it right?
Ss: Yes.
Step 2 完成教材Activities 4，5的任务
