人教版高中英语必修二Unit3computersPart4UsingLanguage课件
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人教版高中英语必修二Unit 3 Computers Period 4 Language point
Unit 3 ComputersPeriod 4 Language points 教学设计I. Teaching contents：Learning about languageII. Teaching aims：1）To revise the useful words and expressions.2）Grasp the usage of such important expressions :common; as; lonely; connect; anyhow; have…in common; work out; go by;3）Master the sentence pattern:It took+一段时间+before+从句(一般过去时)so/such. . . that引导结果状语从句III. Key points & DifficultiesKey points:How to use the phrases correctly.Teaching Difficulties:How can students use the sentence pattern freely.IV. Teaching procedure:Step 1: Greetings.Step 2: Difficulties and key sentences explaination.mon adj.共同的；共有的；常见的；寻常的；普通的have…in common 在……方面有共同之处in common 共有；公有in common with sb./sth. 与……相同2. work out 锻炼身体；计算出；理解；了解；处理；解决work off （通过消耗体力)宣泄感情work over 拷问；追问work up 逐步发展3. It took+一段时间+before+从句(一般过去时)It will (not) be+时间段+before+从句（现在时）要过一段时间后才……（用不了一段时间就……）It was (not) +时间段+before+从句（过去时）过了一段时间后才……（没过一段时间就……）4. as在句中作连词，引导时间状语从句，意思是“随着；当……时”。
精品最新 高中英语人教版必修2 Unit 3 Computers 课件
8. Nowadays you can _u_p_lo_a_d__(上传）and _d_o_w_n_l_o_a_d（下载）information from the net easily.
An abacus
A calculator A huge computer
A notebook
A PC Computer (laptop) A PDA
• Learn about the development of computers by referring to the pictures and the given material;
• Write about the advantages and disadvantages of using computers by individual（个人的） and group work.
On one hand, … On the other hand, …
Computers
-Vocabulary, Warming up &
Writing Unit 3 Book 2 人教课标版
Objectives
• Enlarge the vocabulary about computers by a quiz（小测验） and the combination （结合）with the practical use;
• do word processing （进行文字处理）;
• take distance education（远程教育）;
• download resources online.
Activity 3 Group work 1. People say computers bring us more
An abacus
A calculator A huge computer
A notebook
A PC Computer (laptop) A PDA
• Learn about the development of computers by referring to the pictures and the given material;
• Write about the advantages and disadvantages of using computers by individual（个人的） and group work.
On one hand, … On the other hand, …
Computers
-Vocabulary, Warming up &
Writing Unit 3 Book 2 人教课标版
Objectives
• Enlarge the vocabulary about computers by a quiz（小测验） and the combination （结合）with the practical use;
• do word processing （进行文字处理）;
• take distance education（远程教育）;
• download resources online.
Activity 3 Group work 1. People say computers bring us more
高中英语 unit3 Computers课件 新人教版必修2
Do you know who I am?
notebook computer
A huge computer
Palmtop
A PC
Hale Waihona Puke ho am I ?Skimming: Go over the story to find out
who the speaker is. Write down 3 sentences to support your idea. It is a computer.
2. Questions
Q1: How did the computer work as an Analytical Machine? The computer followed instructions from cards with holes.
Q2: In how many ways do we say the computer changed? What are they? • Size: smaller
and
homes．
each other.
Computers connect people all over the world
1970 together.
True or False
1. Alan Turing built an Analytical Machine to
solve any mathematical problems.
palmtop
2.What about in the future?
virtual keyboards 虚拟键盘
Nose-top keyboard-vest
What about in the future?
robot
notebook computer
A huge computer
Palmtop
A PC
Hale Waihona Puke ho am I ?Skimming: Go over the story to find out
who the speaker is. Write down 3 sentences to support your idea. It is a computer.
2. Questions
Q1: How did the computer work as an Analytical Machine? The computer followed instructions from cards with holes.
Q2: In how many ways do we say the computer changed? What are they? • Size: smaller
and
homes．
each other.
Computers connect people all over the world
1970 together.
True or False
1. Alan Turing built an Analytical Machine to
solve any mathematical problems.
palmtop
2.What about in the future?
virtual keyboards 虚拟键盘
Nose-top keyboard-vest
What about in the future?
robot
【课堂新坐标】2014秋高中英语(设计+自主导学)Unit 3 Period Ⅳ Using Language课件 新人教版必修2
“信号”，常指约定俗成、传达某些信息的 信号，也指灯光、声音或字号标志 “标志；标记”含义广泛，指事物留下的深 刻印迹或某物上用于辨别该物品的标志，比 sign 更侧重于区别性或揭示性的标志，有时 不一定十分直观或明显
“记号；标记”，用法最广，可指符号，也 可指情绪、性格的直观显示，还可指具体的 用于识别或指示的标志， 如指示牌、 卡片等。 借喻作“征兆；迹象”讲 “象征；符号”，指被人们选出的物体或图 案用来代表另一事物，并作为该事物的标记 或象征
句连词once之后的非谓语动词与主句主语anyone之间为被动
关系，故选过去分词。 【答案】 C
句型转换 ①While I was walking along the street，I heard my name called. →While called. ②Even if I am invited，I won't go to the party. →Even if ，I won't go to the party. along the street，I heard my name
选词填空 kind/type/sort ①What ② Blue jay is a brightly colored features. of cake do you like best? of European bird with
【答案】 ①kind ②type
3．in a way(＝in one way/in some way)在某种程度上 In a way our programmer is like our coach.(P23) 从某种程度上看，我们的程序员就好比是我们的教练。 In a way，I'm glad you made that mistake，for it will serve as warning to you.在某种程度上说，你犯那个错误我倒 感到高兴，因为它可以为你敲一下警钟。
“记号；标记”，用法最广，可指符号，也 可指情绪、性格的直观显示，还可指具体的 用于识别或指示的标志， 如指示牌、 卡片等。 借喻作“征兆；迹象”讲 “象征；符号”，指被人们选出的物体或图 案用来代表另一事物，并作为该事物的标记 或象征
句连词once之后的非谓语动词与主句主语anyone之间为被动
关系，故选过去分词。 【答案】 C
句型转换 ①While I was walking along the street，I heard my name called. →While called. ②Even if I am invited，I won't go to the party. →Even if ，I won't go to the party. along the street，I heard my name
选词填空 kind/type/sort ①What ② Blue jay is a brightly colored features. of cake do you like best? of European bird with
【答案】 ①kind ②type
3．in a way(＝in one way/in some way)在某种程度上 In a way our programmer is like our coach.(P23) 从某种程度上看，我们的程序员就好比是我们的教练。 In a way，I'm glad you made that mistake，for it will serve as warning to you.在某种程度上说，你犯那个错误我倒 感到高兴，因为它可以为你敲一下警钟。
高中英语人教版必修二Unit3ComputersReading课件
6) medical operations 7) space rockets
Comprehension
1. Who really invented the computer ?
A. Charles Babbage B. Bill Gates C. XXX Turing D. Thomas Edison
Do you know how computers developed?
5
abacus
calculator
analytical machine分析机
7
universal machine 通用机器
personal computer 个人电脑
laptop 手提电脑
Reading: Who am I ?
in the 1960s connected by a network
new applications
now
computers connect people all
over the world
in the
Careful-reading
Please find the topic sentence of each paragraph .
skimming
1)Who is the speaker?
It is a computer. 2)What is the main idea of the text? The text is about the _h_is_to_r_y_/_d_e_v_el_o_p_m__ent and the a_p_p_l_ic_a_t_io_n_s__of computers.
scanning
Time
What happened
Unit 3 Using language 课文讲解课件-高中英语人教版(2019)选择性必修第二册
as with的意思是：如同，和......一样，就...... 而言
Finally, a fundamental key to healthy eating is to eat slowly. It
takes about twenty minutes from the time you start eating for your brain
The doctor insisted that he ( should )be
examined.
He insisted that he was right.
driver 在此意为“推手” drive vt. 推动；驱使 as it is 是一种语言衔接结构，意为“事实上，实际情况是”，多用 来陈述一种原因或状况。
alone.The American Heart Association recommends that we limit ourselves to less than 100－150 calories a day from su宾ga语r,从w句hich is less
than what is usually contained in one can of sweet drink or in a single candy bar . In other words, if you want to be healthy，you have to cut
food mostly for nutrition, then you are on the right track with your diet.
However, if food has become the centre of your life, you might be on
高二英语人教版必修2 Unit 3 Computers 课件
Post-reading: Summary of the passage
I began as a calculating ________ machine in 1642 in France. analytical machine. Then In 1822 I was built as an ________ in 1936 Alan Turing wrote a book and built a gone by I universal machine. As the years have___ ________ ___, have been made smaller ______ . There were times when totally changed. And my memory my shape ______ that I couldn’t believe it. In became so _____ large _____ connected by a the 1960s they gave me a family_________ my knowledge network. I was able to share _________________with others through the World Wide Web. Since the have been found for 1970s many new applications ______________ me.
and in brainpower.
The computer had grown as large as a room. 1940s:_________________________________________ 1960sThe first family of computers was connected to _____:
人教版高中英语必修二 unit 3 computers languge points
1. As time went by, I was made smaller. 在本句中, as用作连词,引导时间状语从句,表示“随着 …”,
Eg：
⑴随As着t时im间e 的we流n逝t b，y 他们变成了好朋友。
______________, they became close friends. ⑵随A着s h他e长gr大ew，u他p对一切都失去了兴趣。
over time 随着时间的推移 have been changed
现在完成时的被动语态
calculate
Vt 计算 n calculator 计算机
…I could simplify difficult sums.
simlify 动词，简化，使。。。简单化 simple adj 简单的 sum n.计算，总数 如果你简化问题，这个问题就变简单了
Languge points
New words and expressions
1.计算机器
calculating machine
2.分析机
analytical machine
3.穿孔卡
card with holes
4.技术革命
technological revolution
5.通用机器
universal machine
。
….and it took nearly two hundred years before I was built as an analytical machine
by Charles Babbage.
before 过多久才……
It took me nearly one year before I
This child is lively as well as healthy. 连接两个谓语时，时态应保持一致 eg,他亲手建造并装修了这间房屋。
2019年人教版高一英语必修二课件：Unit3Computers 共77张PPT语文
Later ， computers were connected by network and brought into common __6__ (people) homes to deal __7__ information and help communication between people around the world.Since its birth，the computer __8__ (design) to serve the human race.__9__ time goes by，the computer has been made smaller，quicker and __10__ (intelligent)．
①(2015·湖北高考多选)Itno soirgdnearl not to be heard，she
pointed her finger upwards ________(signal)that someone
was moving about upstairs.
为了不让别人听到，她竖起手指示意有人正在楼上走
logical 19．lo_g_i_c_a_ll_y__ adj. 合逻辑的；合情理的
u_n_iv_e_r_s_a_l_ adv. 逻辑上；合逻辑地 u2n0i．ve_r_s_e_____ adj. 普遍的；通用的；宇宙的 ____a_r_t_i_fi_cianl. 宇宙 21．a_n_y_h_o_w____ adj. 人造的；假的 22．________ adv. 无论如何；即使如此
n. 革命者
personal
p1e7r．son__a_ll_y_____ adj. 私人的；个人的；亲自的
pe_r_s_o_n_a_l_it_y__ adv. 就个人而言；亲自
高一英语人教新课标必修2 unit 3 computers 课件
The computer had grown as large as a room. 1940: ______________________________________ ____: 1960 The first family of computers was connected to each other. Computers were used in offices and homes. 1970s: ____________________________________ Now: _____________________________________ Computers connect people all over the world together
What’s next?
Discussion
1. What’s the next computer like? 2. What do those pictures have in common?
• I think that… • In my opinion… • I believe that… ① to be used to calculate ② operated by human beings ③all artificial ④show figures in a certain way ⑤ useful and helpful.
III. While-reading
1. What is the main idea of the passage? This passage is about
the development of the computers • _____________________________