高中英语 Book2 Unit 3 第三单元 reading：who am I课件 新人教版必修2

Since the 1970s many new applications have been found for me.
• communications • finance • trade • robots • mobile phones • medical operations • space rockets • exploring the Moon and Mars
commerce/finance online
– shopping online – transferring accounts – paying all kinds of bills, such as water &
electricity fees, cell phone fees and so on – speculating in stocks online –…
robot
Are they same?
They’re computers in different stages.
What’s next?
i- robot (intelligent robot)
Unit 3 Computers ——reading
WHO AM I ?
Unit 3 Computers——Reading
1940s
a personal computer and a laptop, and used in offices and homes since the 1970s…
Latter
And latter…
a calculating machine, in 1642
帕斯卡计算器是由布莱 斯·帕斯卡(Blaise Pascal) 发明的，帕斯卡计算器可 以把一长串数字相加，在 他的计算器中有一些互相 联锁的齿轮，一个转过十 位的齿轮会使另一个齿轮 转过一位，人们可以像拨 电话号码盘那样，把数字 拨进去，计算结果就会出 现在另一个窗口中。
Some people use the computer wrongly.
2020/11/5
Who am I?
Frank Li
34
Homework
1. Review the text 2. Period 1 EX3 3. Copy and remember
the new words
2020/11/5
an analytical machine, (in 1822)
分析机是由英国 数学家查尔斯·巴 贝奇设计的一种 机械式通用计算 机。它的设计逻 辑却非常的先进， 是大约100年后电 子通用计算机的 先驱。
a “universal machine”, in 1936
(not a real machine, but just a mathematical model)
entertainment
– playing games – watching movies – listening to music –…
information
– reading news – searching for useful information, such
as price information, job information and so on – asking questions and seeking for help –…
• Where is memory stored?
Para.3
Find some supporting details for the topic sentence.(1 minute.)
Since the 1970s many new applications have been found for me.
communication A
Computers
C information
work and job E
D commerce/ finance online
communication
– chatting – sending E-mails – expressing ideas online – making new friends –…
Who am I?
Frank Li
35
work and job
– using computers to do jobs – applying for jobs online – doing research –…
advantages
we can communicate with friends listen to the music see films & watch news play games do shopping save a lot of time do a lot of useful things
(1822)
1642
a calculating machine, in 1642
an analytical machine, (in 1822), Charles Babbage
1936
a universal machine, in 1936, Alan Turing
a huge computer, as large as a room, in 1940s
narrative（叙述角度：第一人称角度） 3. chronological order(时间顺序) 4. main ideas and supporting details
（主旨+支撑细节）
How do we use computers in daily life?
entertainment B
Anyhow, my goal is to provide humans with a life of good quality.
Name : computer Born : (time)__16_4_2___ (place) F__r_a_n_c__e___ My real father: ___A_l_a_n_T_u_r_in_g____ My size: 1._h_u_g_e___________( in the past)
__tr_a_d_e__________; __r_o_b_o_t __; __m_o_b_il_e_p_h_o_n_e____; _m_e_d_i_ca_l_o_p_e_ra_t_io_n_; ___sp_a_c_e _r_o_ck_e_t____...
Writing skills
1. personification（拟人） 2. narrative perspective: first-person
Alan Turing
2020/11/5
Who am I?
Frank Li
13
Let’s have a more detailed reading!
Read Para. 1 in 2 mins and find out the development histoty of computers. I’ll give you some clues.
Skimming: Read and answer these questions:
1. Who am I?
A computer.
2. Who was the first person to invent the earliest computer?
Charles Babbage
3. Who was the next important person to design computers?
Disadvantages
Some people especially the teenagers abandon (沉迷于) themselves to the computer games and chatting on the Internet. As a result, they have little time to study .
2._sm__a_ll_er__an_d__sm__a_ll_er______(modern) My history: 1. 1642 _c_al_c_u_la_t_in_g___machine
2. 1822_a_n_a_l_yt_ic_a_l__machine 3. 1936 _u_n_i_v_er_s_a_l __machine 4. 1940s _h_u__g_e__c_o_m__p_u__ter 5. 1970s __P__C___ and _l_a_p_to_p_ My memory: _t_u_be_s_ _t_r_a_n__s_is_t_o_r_s___ _c_h_ip_s_ My applications: _c_o_m_m_u_n_i_c_at_i_on____; __fi_n_a_n_ce__;
technical words
• Memory: storage or storage capacity as of a computer, disk, etc.
chip transistor tube
network
The World Wide Web
Para. 2
• Read it by yourselves in 2 min and answer:
a huge computer, as large as a room, in the 1940s
ENIAC
尺寸（英尺） 30×50 电容(个)
10000
重量（吨） 30
开关(个)
Leabharlann Baidu
6000
真空管(个) 电阻(个)
18800 耗电（W） 150000 70000 成本（1940年） $40万
Para. 2
5
4
3
2
1
Welcome to my class! First, let’s play a game!
What are they ?
Huge computer
PC
laptop
(personal computer) (notebook computer)
PDA (personal digital assistant)