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英语Unit 3 Computers精品教学课件ppt
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这是一份英语Unit 3 Computers精品教学课件ppt，共38页。PPT课件主要包含了课堂导入，课堂活动，课堂小结，课堂训练等内容，欢迎下载使用。
D yu have a cmputer at hme?
Cmputers are less expensive nw.
What d yu usually d with cmputers?
1 The _________ shws wrds and pictures.2 We use the _________ fr typing.3 The “brain” f a cmputer is in the ___________.4 We mve the _________ t cntrl the cmputer.5 We hear sund frm the __________.
Hw much d yu knw abut cmputers? Lk at the pht belw and cmplete the sentences with the crrect names.
Lk at the pictures, the title and the sub-headings f the article n page 34. Then tick (✓) the facts that the article prbably talks abut.
1 Cmputers are getting smaller and better.2 Cmputers can d imprtant jbs like flying planes.3 Cmputers may wrk as dctrs.4 Cmputers are expensive.
Befre yu read
While reading Finish 5 tasks
A sub-heading usually tells us the tpic f the paragraph(s) belw it.
sub-headings
Task 1. Read the first part f the article and cmplete the table belw.
Smaller and better
bigger than cars
smaller and better
There is prbably a tiny cmputer inside yur TV r washing machine.
Yu depend n cmputers mre than yu realize.
calculate at a faster speed than we can
almst never give wrng answers
type and draw things
d imprtant jbs
perate railways
Task 2. Read the secnd part f the article and cmplete the table belw.
What can we d with cmputers?
fly spaceships
Task 3. Read the third part f the article and answer sme questins.
Is a cmputer cleverer than me?
N, it isn’t. Because the human brain can prduce new ideas but cmputers cannt.
What jb may cmputers be able t d better ne day?
The jb f a dctr.
What prblem will we prbably face if cmputers can d all ur jbs?
We may have nthing t d.
Is a cmputer cleverer than yu? Why?
Cmputer facts
The __________ f cmputers in different times
The __________ f cmputers in daily life
The __________ between human beings and cmputers in the future
Relatinship
Task 4 Cmplete the utline f the article.
Task 5. Find sme examples in each part f the article.
Lk at the pictures, the title and the sub-headings f the article n page 35. Then tick (✓) the facts that the article prbably talks abut.
Smaller and betterIn the 1940s, the first cmputers were bigger than cars. Nw cmputers are becming smaller and better.Sme cmputers are tiny. Yu may be unaware f them. There is prbably ne inside yur TV r washing machine. Yu depend n cmputers mre than yu realize.
What can we d with cmputers?We can use cmputers t calculate. They can calculate at a faster speed than we can and almst never give wrng answers. We can als type and draw things with them. In additin, cmputers can d imprtant jbs like perating railways and flying planes and spaceships.
Is a cmputer cleverer than me? The answer is “N”. Yur brain can prduce new ideas but cmputers cannt. Hwever, ne day cmputers may be able t d a better jb thanhuman beings. Fr example, they may be better than dctrs at ding their jb. What will happen t us if cmputers can d all ur jbs? Will we have nthing t d? Cmputers may change ur lives, but will they make them better?
1 If smething is very small, it is _____________. (line 5)Sme yung peple always need help frm their parents. They shuld learn t _____________ themselves. (line 8)We had fun and learnt smething new as well. We had a gd time. _____________, we learnt a lt. (line 14)When we make a machine wrk, we _____________ it. (line 16)
C1 The wrds in italics explain the meanings f sme wrds n page 35. Find these wrds t cmplete the sentences. Change their frms if necessary.
C2 Cmplete the cnversatin belw with the wrds frm the bx.
S1: We can d many things with cmputers in ur daily life.S2: Fr example?S1: We can _________, _________ and ________________ with them.
S1: There may be tiny cmputers in yur hme.S2: Where, fr example?S1: Inside yur _________ r ________________.
D1 Cmplete the answers with the examples frm the article.
washing machine
draw things
S1: Cmputers can d sme imprtant jbs.S2: Fr example?S1: They can______________ and _____________________.S1: One day, cmputers may be able t d a better jb than human beings.S2: Fr example?S1:They___________________________________________.
fly planes and spaceships
may be better than dctrs at ding their jb.
D2 Answer the questins belw in cmplete sentences.
What were the first cmputers like? _________________________________________________2. Why are we unaware f sme cmputers? _________________________________________________3 Are cmputers cleverer than yu and me? Why r why nt? _________________________________________________ _________________________________________________
They were bigger than cars.
Because they are tiny.
N, they aren’t. Because ur brains can prduce new ideas
but cmputers cannt.
1，We have learned abut the develpment f cmputers ,and the basic use f cmputers2, We have grasped the new wrds and expressins in the reading.
rder n.订货;订购P33cmpare v.比较；对比P33mnitr n.(计算机)显示器P33speaker n.扬声器P34main unit n.(计算机)主机P34keybard n.(计算机或打字机的) 键盘P34muse n. (计算机)鼠标P34type v.打字P34brain n.脑P34
cntrl v.操纵,控制 (机器或系统等) P34expensive adj.昂贵的;价格高的P34tiny adj. 极小的;微小的P35depend v.依靠;依赖P35﹡calculate v.计算P35speed n.速度P35perate v.操作；控制P35railway n.铁路系统P35
wrk as从事……工作P34(be) unaware f 没意识到;未察觉P35depend n依靠P35in additin除……以外(还) P35*ne day 总有一天；某一天*be able t 能够*change ne’s life 改变某人的生活*get n the Internet 上网
1. cmpare v. 比较；对比 cmpare A with B. 把A 和B做比较。他比较了这台手机和那台手机的价格。He cmpared this mbile phne with that ne in price.cmpare …t … 把……比作……其中的t后接名词或者代词作为比较的对象，该短语含有比喻的意味。我们经常把老师的工作比作蜡烛。We ften cmpare the teacher’s wrk t a candle.
Language pints
2. wrk as 从事……工作 我想要从事作家的工作。 I want t wrk as a writer. 你想要从事老师的工作吗？ D yu want t wrk as a teacher?
3. Yu may be unaware f them. 你有可能忽略它们的存在。 (be) unaware f 没意识到；未察觉 我们没有察觉到危险。 We are unaware f danger. 我没意识到他来了。 I was unaware f his cming.
4. Yu depend n cmputers mre than yu realize. 你对电脑的依赖程度比你意识到的要深得多。 depend v. 依靠；依赖 depend n 依靠 当我们长大了，我们不能在依靠父母了。 When we grw up , we can’t depend n ur parents any mre.
5. They can calculate at a faster speed ... 它们能以比较快的速度进行运算…… speed n. 速度 at a speed f ... 以……的速度 speed 常与介词at 或with 搭配使用。一般来说，speed前面有冠词的话，常用介词at；否则就用with。例如： 请以安全的速度驾驶。 Please drive at a safe speed. 他是一个速度快的足球运动员。 He is a ftball player with gd speed.
6. In additin, cmputers can d imprtant jbs like perating railways and flying planes and spaceships. 除此之外，电脑还能做重要的工作，例如 操控铁路系统，驾驶飞机和宇宙飞船。 (1) in additin 除……以外(还) 相当于besides，两者可以互换使用。in additin 在句中常单独使用，放在句首时常用逗号与句子隔开。例如：他钢琴弹得好，除此之外，他还能唱歌。He can play the pian well. In additin / Besides, he can sing.
7. What will happen t us if cmputers can d all ur jbs? 如果电脑能做我们所有的工作，我们将会怎样？ happen t 发生在……身上 happen也可以单独使用,意为“(偶然)发生”，常用名词或代词作主语，可与take place 互换使用。如： 故事发生在1990年6月。 The stry happened / tk place in June, 1990. 昨天他出了车祸。 A traffic accident happened t him yesterday.
8. ... but it wrks at a much faster speed than my ld ne. …… 但是它运作起来速度比我的旧电脑快得多。 much 在此句中用作程度副词，修饰faster。 much 常放在形容词或副词比较级的前面，表示比较级的程度，一般翻译为“……得（的）多”能修饰比较级的程度副词还有（按程度大小排列）： a little / a bit (一点) still /even (更) far / much / a lt (……得/ 的多)例如： a little taller 高一点 still / even taller 更高 far / much / a lt taller高得多我妈妈每天早上起床比我爸爸早得多。My mther gets up earlier than my father every mrning.
一、根据句意和所给的首字母填空。
1.The dress is t e_______. I dn’t have enugh mney t buy it.2. Humans use their b_______ fr thinking.3. It’s nt gd fr parents t c_______ their children with ther children.4. The plane travels at a high s_________.
二、选择最佳答案填空。
( ) 1. The train is running ____ a speed f 200 km/h. A. at B. with C. n D. in( ) 2. Travelling by plane is fast. ____, it’s mre cmfrtable. A. Abve all B. In fact C. In additin D. In the way( ) 3. We all live n Earth. Let ’s make it even ____. A. well B. betterC. gd D. nice( ) 4. ____ a spaceship is a difficult jb. A. Operating B. Operatr C. Operatin D. Operate
三、根据中文意思完成句子。1.你不能依赖别人来帮助你。 Yu can’t _____ _____ thers t help yu.2. 那时他没意识到危险。 He __________ _________ _________ the danger at that time.3. 他现在在这个公司担任经理。 He _____ _____ a manager in this cmpany nw.4. 他很聪明。除此之外，他还很友好。 He is very clever. _____ _____,he is very friendly.
was unaware f/ did nt realize
In additin
D yu have a cmputer at hme?
Cmputers are less expensive nw.
What d yu usually d with cmputers?
1 The _________ shws wrds and pictures.2 We use the _________ fr typing.3 The “brain” f a cmputer is in the ___________.4 We mve the _________ t cntrl the cmputer.5 We hear sund frm the __________.
Hw much d yu knw abut cmputers? Lk at the pht belw and cmplete the sentences with the crrect names.
Lk at the pictures, the title and the sub-headings f the article n page 34. Then tick (✓) the facts that the article prbably talks abut.
1 Cmputers are getting smaller and better.2 Cmputers can d imprtant jbs like flying planes.3 Cmputers may wrk as dctrs.4 Cmputers are expensive.
Befre yu read
While reading Finish 5 tasks
A sub-heading usually tells us the tpic f the paragraph(s) belw it.
sub-headings
Task 1. Read the first part f the article and cmplete the table belw.
Smaller and better
bigger than cars
smaller and better
There is prbably a tiny cmputer inside yur TV r washing machine.
Yu depend n cmputers mre than yu realize.
calculate at a faster speed than we can
almst never give wrng answers
type and draw things
d imprtant jbs
perate railways
Task 2. Read the secnd part f the article and cmplete the table belw.
What can we d with cmputers?
fly spaceships
Task 3. Read the third part f the article and answer sme questins.
Is a cmputer cleverer than me?
N, it isn’t. Because the human brain can prduce new ideas but cmputers cannt.
What jb may cmputers be able t d better ne day?
The jb f a dctr.
What prblem will we prbably face if cmputers can d all ur jbs?
We may have nthing t d.
Is a cmputer cleverer than yu? Why?
Cmputer facts
The __________ f cmputers in different times
The __________ f cmputers in daily life
The __________ between human beings and cmputers in the future
Relatinship
Task 4 Cmplete the utline f the article.
Task 5. Find sme examples in each part f the article.
Lk at the pictures, the title and the sub-headings f the article n page 35. Then tick (✓) the facts that the article prbably talks abut.
Smaller and betterIn the 1940s, the first cmputers were bigger than cars. Nw cmputers are becming smaller and better.Sme cmputers are tiny. Yu may be unaware f them. There is prbably ne inside yur TV r washing machine. Yu depend n cmputers mre than yu realize.
What can we d with cmputers?We can use cmputers t calculate. They can calculate at a faster speed than we can and almst never give wrng answers. We can als type and draw things with them. In additin, cmputers can d imprtant jbs like perating railways and flying planes and spaceships.
Is a cmputer cleverer than me? The answer is “N”. Yur brain can prduce new ideas but cmputers cannt. Hwever, ne day cmputers may be able t d a better jb thanhuman beings. Fr example, they may be better than dctrs at ding their jb. What will happen t us if cmputers can d all ur jbs? Will we have nthing t d? Cmputers may change ur lives, but will they make them better?
1 If smething is very small, it is _____________. (line 5)Sme yung peple always need help frm their parents. They shuld learn t _____________ themselves. (line 8)We had fun and learnt smething new as well. We had a gd time. _____________, we learnt a lt. (line 14)When we make a machine wrk, we _____________ it. (line 16)
C1 The wrds in italics explain the meanings f sme wrds n page 35. Find these wrds t cmplete the sentences. Change their frms if necessary.
C2 Cmplete the cnversatin belw with the wrds frm the bx.
S1: We can d many things with cmputers in ur daily life.S2: Fr example?S1: We can _________, _________ and ________________ with them.
S1: There may be tiny cmputers in yur hme.S2: Where, fr example?S1: Inside yur _________ r ________________.
D1 Cmplete the answers with the examples frm the article.
washing machine
draw things
S1: Cmputers can d sme imprtant jbs.S2: Fr example?S1: They can______________ and _____________________.S1: One day, cmputers may be able t d a better jb than human beings.S2: Fr example?S1:They___________________________________________.
fly planes and spaceships
may be better than dctrs at ding their jb.
D2 Answer the questins belw in cmplete sentences.
What were the first cmputers like? _________________________________________________2. Why are we unaware f sme cmputers? _________________________________________________3 Are cmputers cleverer than yu and me? Why r why nt? _________________________________________________ _________________________________________________
They were bigger than cars.
Because they are tiny.
N, they aren’t. Because ur brains can prduce new ideas
but cmputers cannt.
1，We have learned abut the develpment f cmputers ,and the basic use f cmputers2, We have grasped the new wrds and expressins in the reading.
rder n.订货;订购P33cmpare v.比较；对比P33mnitr n.(计算机)显示器P33speaker n.扬声器P34main unit n.(计算机)主机P34keybard n.(计算机或打字机的) 键盘P34muse n. (计算机)鼠标P34type v.打字P34brain n.脑P34
cntrl v.操纵,控制 (机器或系统等) P34expensive adj.昂贵的;价格高的P34tiny adj. 极小的;微小的P35depend v.依靠;依赖P35﹡calculate v.计算P35speed n.速度P35perate v.操作；控制P35railway n.铁路系统P35
wrk as从事……工作P34(be) unaware f 没意识到;未察觉P35depend n依靠P35in additin除……以外(还) P35*ne day 总有一天；某一天*be able t 能够*change ne’s life 改变某人的生活*get n the Internet 上网
1. cmpare v. 比较；对比 cmpare A with B. 把A 和B做比较。他比较了这台手机和那台手机的价格。He cmpared this mbile phne with that ne in price.cmpare …t … 把……比作……其中的t后接名词或者代词作为比较的对象，该短语含有比喻的意味。我们经常把老师的工作比作蜡烛。We ften cmpare the teacher’s wrk t a candle.
Language pints
2. wrk as 从事……工作 我想要从事作家的工作。 I want t wrk as a writer. 你想要从事老师的工作吗？ D yu want t wrk as a teacher?
3. Yu may be unaware f them. 你有可能忽略它们的存在。 (be) unaware f 没意识到；未察觉 我们没有察觉到危险。 We are unaware f danger. 我没意识到他来了。 I was unaware f his cming.
4. Yu depend n cmputers mre than yu realize. 你对电脑的依赖程度比你意识到的要深得多。 depend v. 依靠；依赖 depend n 依靠 当我们长大了，我们不能在依靠父母了。 When we grw up , we can’t depend n ur parents any mre.
5. They can calculate at a faster speed ... 它们能以比较快的速度进行运算…… speed n. 速度 at a speed f ... 以……的速度 speed 常与介词at 或with 搭配使用。一般来说，speed前面有冠词的话，常用介词at；否则就用with。例如： 请以安全的速度驾驶。 Please drive at a safe speed. 他是一个速度快的足球运动员。 He is a ftball player with gd speed.
6. In additin, cmputers can d imprtant jbs like perating railways and flying planes and spaceships. 除此之外，电脑还能做重要的工作，例如 操控铁路系统，驾驶飞机和宇宙飞船。 (1) in additin 除……以外(还) 相当于besides，两者可以互换使用。in additin 在句中常单独使用，放在句首时常用逗号与句子隔开。例如：他钢琴弹得好，除此之外，他还能唱歌。He can play the pian well. In additin / Besides, he can sing.
7. What will happen t us if cmputers can d all ur jbs? 如果电脑能做我们所有的工作，我们将会怎样？ happen t 发生在……身上 happen也可以单独使用,意为“(偶然)发生”，常用名词或代词作主语，可与take place 互换使用。如： 故事发生在1990年6月。 The stry happened / tk place in June, 1990. 昨天他出了车祸。 A traffic accident happened t him yesterday.
8. ... but it wrks at a much faster speed than my ld ne. …… 但是它运作起来速度比我的旧电脑快得多。 much 在此句中用作程度副词，修饰faster。 much 常放在形容词或副词比较级的前面，表示比较级的程度，一般翻译为“……得（的）多”能修饰比较级的程度副词还有（按程度大小排列）： a little / a bit (一点) still /even (更) far / much / a lt (……得/ 的多)例如： a little taller 高一点 still / even taller 更高 far / much / a lt taller高得多我妈妈每天早上起床比我爸爸早得多。My mther gets up earlier than my father every mrning.
一、根据句意和所给的首字母填空。
1.The dress is t e_______. I dn’t have enugh mney t buy it.2. Humans use their b_______ fr thinking.3. It’s nt gd fr parents t c_______ their children with ther children.4. The plane travels at a high s_________.
二、选择最佳答案填空。
( ) 1. The train is running ____ a speed f 200 km/h. A. at B. with C. n D. in( ) 2. Travelling by plane is fast. ____, it’s mre cmfrtable. A. Abve all B. In fact C. In additin D. In the way( ) 3. We all live n Earth. Let ’s make it even ____. A. well B. betterC. gd D. nice( ) 4. ____ a spaceship is a difficult jb. A. Operating B. Operatr C. Operatin D. Operate
三、根据中文意思完成句子。1.你不能依赖别人来帮助你。 Yu can’t _____ _____ thers t help yu.2. 那时他没意识到危险。 He __________ _________ _________ the danger at that time.3. 他现在在这个公司担任经理。 He _____ _____ a manager in this cmpany nw.4. 他很聪明。除此之外，他还很友好。 He is very clever. _____ _____,he is very friendly.
was unaware f/ did nt realize
In additin
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