About in _1_8_4_2_ An analytical machine
In 1936
A _u_n_iv_e_r_s_a_l machine
Applications
_S_i_m_p_l_if_y_difficult sums Think__lo_g_i_c_a_ll_y_
Solve any difficult problem
Para I:
Over time I have been changed quite a lot.
Who
am I?
Para II:
These changes only became possible as my memory improved.
Since the 1970s many new applications
Since the 1970s many new applications have been found for me.
Paragraph 1 Paragraph 2 Paragraph 3
•Calculatin Supportin g machine g details •Analytical
Assistant
robot
Can you tell the development of computers?
abacus
calculator
huge computer
robot
PDA
laptop
PC
Do you know in what ways computers are used today?
Para III:
have been found out for me.
Do you know the main idea of this passage?
A. The development of computers. B. A machine which is simple-minded. C. The development and the applications of computers. D. Computers may replace human beings.
•World
•Medical
Wide Web operations
•Space rockets
•Providing a life
of high quality
Read para 1 and fill in the chart.
Time
Macht_in_g_ machine
machine （find out •Universal some key machine words） •Personal
computer
•laptop
•Communications
•Tubes
•Finance
•Transistors •Trade
•Chips
•Robots
•Network •Mobile phones
Complete the chart below.
Paragraph 1 Paragraph 2 Paragraph 3
Topic Over time sentence I have
been changed quite a lot.
These changes only became possible as my memory improved.
Unit 3 Computers
Look at the following pictures and tell their English names.
abacus
calculator
huge computer
PC personal computer
laptop
PDA Personal Digital
watch movies
search for informatio
n
listen to music
read books and
magazines
play games on the computer
buy things online
Reading Who am I?
analytical adj 分析的 sum n 总数，算术题 simplify vt 简化 revolution n 革命 intelligence n 智力 transistor n 晶体管 network n 网络 finance n 金融 explore vt/vi 探索
T smaller. 3. Over time I have large memory so that I will not forget anything I have been told.
calcucate vt 计算 operator n 操作员 logical adj 合逻辑的 artificial adj人造的 tube n 管子，电子管 chip n 碎片，芯片 application n 应用 rocket n 火箭 Mars n 火星
Skim the passage and find out the topic sentence in each paragraph.
By the 1940s A larger machine R__e_a_li_ty_worried the designers
Personal computer/ _U__s_ed__i_n_o_f_f_ic_e_s__
_S_in_c_e__th_e__1_9_7_0s Laptop
_a_n_d__h_o_m__e_s_____
Read para 2 and then tell the statement true or false.
F 1. My shape didn’t change even though my memory improved.
F The information was stored in tubes, then 2o.nTthraenoslidsteorrIs aamnd, tlhaetelrarognetrhIehcahvipesb.ecome. As I have grown older I have also grown