8B Unit 3 Online tours
第一课时 Comic strip and Welcome to the unit
【学习目标】
1.根据单词表,预习课本第34~35页的单词,能根据音标正确拼读这些单词。
2.听课本第34页Comic strip部分的录音,能正确地模仿录音中的语音、语调。
3.找出课本第34~35页新出现的短语和重点句型,查一查它们的意思。
【学习重难点】
1. 掌握基本单词、词组及句型;
2. 能用英语和同伴谈论电脑的基本用途。
【自主学习】 要养成阅读、思考的好习惯哦!
※请同学们仔细阅读英语课本P.34-35内容,认真完成下面的预习作业,相信你一定行的!
通过预习,了解本课时的单词、短语和句型(英汉互译)。
1.online adj._______ 2.channel n. _______
3. keyboard n._______ 4.mouse n. _______
5._______n.节目;计划,方案 6.机件;单位n._______
7._______n.显示器,屏幕 8.收到,接到vt. _______
9.remote control 10. 看起来像……_______
11.发送和接收邮件_______ 12. 搜索信息_____ _
13. What do you usually use your compute r for? ___________________________________
14. I usually use it to search for information.___________________________________
【课中交流】 爱动脑筋让你变得更聪明!
请带着下面这些问题阅读教材。
1. Do you think Eddie and Hobo know well about computers?
________________________________________________
2. What do Eddie and Hobo think the computer looks like?
________________________________________________
3. Do you know what "the remote control" really is?
________________________________________________
【拓展部分】学习成果展示:
1. What do you usually use your computer for?你通常用电脑干什么?
探究点:“What…for?”是什么意思?
[指点迷津] “What…for?”的意思是“为什么?”,相当于why。
What do you buy the book for? 你买这本书干什么?
( )- _______ did you come here for? -To see my son.
A. Why B. What C. Where D. How
2.I usually use it to search for information。我通常用它搜索信息。
[指点迷津] 探究点: search可用作_______词和_______词。
(1) search用作及物动词,后跟“人”时,意为“搜身”;后跟地点名词时,意为“对某地进行搜 查”。也可在宾 语后加for短语,表示搜查的具体目标。
The enemy searched the mountain for the Red Army, but they failed.
敌人在山上搜寻红军,但没找到。
(2) search for意为“寻找”,可视为是search…for的省略式,此时search为不及物动词。She searched for her lost cat everywhere,but she failed.她到处寻找走失的猫,但没找到。
( )-Why did the police_______ the room? -Sorry,I don't know either.
A. search B. search for C. look D. look in
3.How often do you use your computer for this?你多久用你的电脑搜索一次信息?
探究点:how often的意思是什么?对什么时间状语进行提问?
[指点迷津] how often意为“多久一次”,表示频率,用来对usually,every day,twice a day等频度副词或状语进行提问。
--How often do you play football? 你多长时间踢一次足球?
--Every Wednesday afternoon.每周三下午。
[辨析] how long,how often,how soon与how far
(1) how long主要有以下两个意思:
①表示多长时间,主要用来对一段时间 (如three days,four weeks等)进行 提问。
--How long did he stay here? 他在这儿呆了多久? --About two weeks,大约两个星期。
②表示某东西有多长。
- How long is the river? 这条河有多长? - About 500 km.大约500千米。
(2) how often每隔多久,主要用来对频度副词或状语(once a week,three times a month等)进行提问。
-How often does he come here? 他(每隔)多久来一次? - Once a month.每月一次。
(3) how soon指再过多久,主要用来对表示将来的一段时间(如in an hour.in two weeks等)进行提问。
-How soon will he come back? 他要多久才回来? -In an hour.一小时以后。
(4) how far表示(距离)多远。
- How far is it from here to the zoo? 动物园离这儿多远? -It's 6 kilometres.大约6千米。
( ) -- _______ does your father go to see your grandmother? -Once a month.
A. How long B. How soon C. How often
【目标检测】 有目标才能成功!
用所给单词的适当形式填空。
1. I usually use my computer_____ __ (search) for information.
2. The computer can be used for word_______ (process).
3. My brother loves______ _ (use) the computer to help him with his lessons.
4. This film is_______ (bore).
5. He______ _ (find) a wallet in the street yesterday afternoon,