高一英语必修二导学案
Unit3 Computers
知识目标：
Topic：Information technology ; history and basic knowledge of computers; robots New words: calculate universal, simplify, sum, operator, logical, logically, technology revolution artificial intelligence intelligent solve reality personal personally tube total totally network web application finance mobile rocket explore anyhow goal happiness download virus signal type coach arise electronic appearance character mop nice
Phrases;from…on；as a result；so...that，human race；in a way；with the help of；deal with ；watch over
Sentence patterns;
1 making decisions
I think /I don’t think that…
I believe that…
I’ve decided that…
Let’s decide…
let’s make a decision
2 Reasoning
The advantage/disadvantage is …
I agree/don’t agree…because…
Give me your reasons:
First……second.
What makes you think so?
As/since……,I think……
Grammar :现在完成时态被动语态的建构和用法
Over time I have been changed quite a lot.
First as a PC and then as a laptop , I have been used in offices and hones since the 1970s
Since the 1970s many new applications have been found for me
I have also been put into robots and used to make mobile phones as well as help with medical operations
能力目标：
让学生学习用英语表达自己的观点并进行简单的理由阐述及做出决定，并能按时间先后顺序来描述某事。
情感目标：
通过本单元的学习，使学生了解计算机的发展历程及其在当今社会的广泛应用；明确高科技在当今社会发展和国际竞争的重要地位，从而激发其热爱科技，奋发进取的决心，时刻准备用自己的知识为祖国服务。
课时安排：本单元教学可分为10课时
第一课时：New words learning Warming up
第二课时：Warming—up; Pre-reading
第三课时：reading; comprehending;
第四课及第五课时：language points. Learning about Language (useful words and expressions) 第六课时：Learning about language (discovering useful structures );Grammar
第七课时：Speaking and Reading
第八课时：Writing
第九课时：Revision and Exercises
第十课时：Test
Unit3 Computers
The first period New words and expressions
学习目标：
1. 知识和技能：掌握本单元的重点单词和词组,注意单词的发音和重读。
2. 情感态度和价值观：为本单元其他课时的学习做好铺垫，扩大词汇量。
3.过程与方法：1）. 音节拼读，准确读词。2）. 多词连读，朗朗上口。
3）. 手指中文，看中读英。4）手指英文，看英想中.
课前自主学习：
写出下列单词的同源词
⑴ calculator n. 计算器： ___________________ (vt)___________________(意义)
⑵ universe n. 宇宙： ___________________ (adj)__________________(意义)
⑶ simple adj.简单的： ___________________ (vt) __________________(意义)
⑷ operate vi.手术vt.操作：_________________(n.) __________________(意义)
________________(n…的人)________________(意义) ⑸ logical adj. 合逻辑的：___________________(adv)__________________(意义)
⑹ technology n. 工艺；科技：___________________(adj)__________________(意义)
⑺ revolutionary adj.革命的： ____________________(n)_________________(意义)
⑻ intelligent adj.智能的：____________________(n)___________________(意义)
⑼ real adj.真实的：____________________(n)___________________(意义) ⑽ person n. 人：___________________(adj)__________________(意义) ⑾ total adj.总的；整个的：_______________(adv)__________________(意义) ⑿ apply v. 申请：____________________(n)___________________(意义) ⒀ anyhow adv.无论如何;即使如此： _________________(同义词) ⒁ sign n.征兆；符号：___________________(v)___________________(意义) ⒂ appear v. 出现；显得：____________________(n)_________________(意义) ⒃ character n. 特性；个性：________________(adj)___________________(意义) 学习过程：
一、C hecking.
Check their homework.
二、Reading (A级)
1. Read the words and expressions by yourself. (Pay attention to the pronunciation)
2. Read the words and expressions to your partners. Checking the pronunciation each other.
3. Read the words and expressions after the teacher.
三、.Words and expressions (B级)
1. 识记词汇
⑴ ___________ 解决；解答⑵ ___________ 探索；探测；探究⑶ ___________ 下载
⑷ ___________ 出现；发生⑸ ___________ 人造的；假的⑹ ___________病毒
2. 识记词组
⑴ ______________ 从…时起⑵ _____________ 结果⑶ _____________ 如此…以至
⑷ ______________ 在某种程度上⑸ _____________在…的帮助下
⑹ ______________ 处理，对付⑺ _____________ 监视；看守
四. Using words and expressions (C级)
1.根据句子的结构和意义，在空格处填入一个恰当的单词，或者用括号中所给的适当形式填空。
1. With the development of science and ___________, people will live a happier life.
2. IQ(智商) stands for ___________ quality.
3. The captain had an ___________ leg, made of wood.
4. English is a _____________ language, so we have to learn it.
5. We will soon arrive at the point where we can find all the knowledge of humankind on a computer _____________(网络).
教师二次备课及教学后记：
Unit3 Computers
The second period Warming up and Pre-reading
学习目标：
1 知识与技能：
1）Read all the new words and phrases , paying attention to the pronunciation and stress 2）talk about the development of computers
3) master the use of some words.
2 过程与方法：discussion；talking and doing expressions
3. 情感态度与价值观: get to know the history of the development of computers.
课前自主学习：
一、英汉互译：
1 __________adj.共同的
2 ___________ n.发展3__________n.计算机
4_____________n.机器人5 calculator n._________ 6. laptop n. __________
7 abacus n.___________ 8 the development of computers ___________
9 和……有共同之处________________________ 10 比较_____________