Unit 4 Lesson 20 A Computer Helps 学案（含答案）

Unit 4 Lesson 20 A Computer Helps!
【学习目标】
1.能简要描述网络的功能以及掌握基本网络术语;
2.能掌握if引导的条件状语从句,能正确使用 one of句型;
3.能够用英语表达电脑对我们生活的影响。
【预习导学】
一、填一填
1.John ______ (输入)the words and found their meanings on the Internet.
2.Hard work is the ______ (关键) to success.
3.Let's ______ (搜索) for something useful and begin our report.
4.We shouldn't always ______ (依靠) on our parents.
5.The boy ______ (隐藏) behind the door and gave his friends a surprise.
二、连一连
三、用括号中所给单词的适当形式填空
1.There are five ______ (topic)for the students to write.
2.He is ______ (search) for his favourite university online.
3.The ______ (bunny) on the grass look so cute.
4.Jane's sister ______ (depend) on her, so she must work hard.
5.There are all kinds of ______ (laptop) in our shop.
四、想一想
用英文尽可能多地写出中国的节日。
______
【答案】预习导学
一、
1.entered　2.key　3.search　4.depend　5.hid
二、
三、
1.topics　2.searching　3.bunnies　4.depends
5.laptops
四、
Spring Festival, Mid-Autumn Festival,Dragon Boat Festival...
【合作探究】
任务驱动1
阅读训练
1.读课文,完成课本习题2。
2.读课文,完成课本习题3。
任务驱动2 听力训练
◎学法指导:听录音之前仔细阅读短文,了解大意。注意单词的正确形式,可勾出关键词。
1.听课文,完成课本习题1。
2.听课文,回答问题。
(1)When is Easter
______
(2)Who do people celebrate Easter with
______
(3)What are symbols of new life on Easter Day
______
任务驱动3 小组合作
1.读课文,完成课本习题4。
2.读课文,小组合作,采访你的小组成员,就他们了解的一个中国节日进行提问,完成下列调查。
What is the festival
Where do people have the festival
When is the festival
What do people do on the festival
【答案】合作探究
任务驱动一
2.(1)It's always in March or April.
(2)Their family and friends.
(3)Rabbits and eggs.
【知识超市】
[命题点]
When Ms.Liu asked us to write a report about Easter, I decided to do all of my research on the Internet.当刘老师让我们写一篇关于复活节的报告时,我决定通过网络进行所有的研究。
◎观察思考:
1.I ask my sister to draw a picture for me.我让我姐姐给我画一幅图画。
2.Mrs.Smith asks us not to forget to clean the blackboard.Smith夫人让我们不要忘记擦黑板。
◎用法总结:
1.ask sb.to do sth.请求或者要求某人去做某事
2.ask sb.not to do sth.请求或者要求某人不去做某事
3.ask sb.for sth.向某人要某物
对点自测
用括号中所给单词的适当形式填空
1.John asks me ______ (search)some information for him.
2.My dad asks me ______ (stay)up too late at night.
[命题点]
The date depends on the moon, but it is always in March or April.日期取决于月亮,但它总是在三月或四月。
◎观察思考:
1.The plan depends on the weather.这个计划取决于天气情况。
2.It all depends on how you solve the problem.那一切要看你怎么解决这个问题。
◎用法总结:
1.depend on意为“依靠;依赖”。
2.习语:It all depends.或That depends.意为“视情况而定”。
对点自测
用括号中所给单词的适当形式填空
1.Where to go ______ (depend)on your need.
2.When we were young, we ______ (depend)on our parents.
【答案】知识超市
命题点一
对点自测
1.to search　2.not to stay
命题点二
对点自测
1.depends　2.depended