人教版高中英语必修2课件unit3
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PDA
personal digital assistant
abacus calculator huge computer
PDA palmtop
notebook computer laptop
desktop
abacus calculator huge computer
What do they have in common?
search for download information upload
Computers have great power.
They make our lives_m__or_e_c_o_lo_r_fu_l_a_nd__c_on_v_e_ni_en.t
BUT
Don’t forget that computers are modern tools which can’t t_a_ke__th_e__pl_a_ce__of_/_r_ep_la_c（e 取代）
real people. Never ii_g_no_r_e___ the people around you or even far away.
Homework
1. 熟读生词 2. 预习reading
Riddles(谜语):
➢I am so smart that I am far better than human beings in calculating. ➢But I am huge and only few people have the chance to use me.
huge computer
Unit 3
1+1= _________ 12345678+1234567890= ____________
What can we turn to for help?
Riddles(谜语):
➢I am very old now and I was born in China. ➢In the past many people used me for calculating, but now I have not often been used.
Riddles(谜语):
➢I can be used for calculating. ➢Besides, I can also be used for watching DVD, sending e-mail and communicating
through thePICnterpneetr. sonal computer desktop laptop palmtop
an abacus
Riddles(谜语):
➢I am very small and I have been made for calculating. ➢Nowadays, a lot of students use me when solving mathematical problems.
a calculator
PDA palmtop
notebook computer laptop
desktop
Unit 3
Brain storm
listen to music
do shopping online play games
Computer and the Internet
watch
moviesLeabharlann …communicate with people
personal digital assistant
abacus calculator huge computer
PDA palmtop
notebook computer laptop
desktop
abacus calculator huge computer
What do they have in common?
search for download information upload
Computers have great power.
They make our lives_m__or_e_c_o_lo_r_fu_l_a_nd__c_on_v_e_ni_en.t
BUT
Don’t forget that computers are modern tools which can’t t_a_ke__th_e__pl_a_ce__of_/_r_ep_la_c（e 取代）
real people. Never ii_g_no_r_e___ the people around you or even far away.
Homework
1. 熟读生词 2. 预习reading
Riddles(谜语):
➢I am so smart that I am far better than human beings in calculating. ➢But I am huge and only few people have the chance to use me.
huge computer
Unit 3
1+1= _________ 12345678+1234567890= ____________
What can we turn to for help?
Riddles(谜语):
➢I am very old now and I was born in China. ➢In the past many people used me for calculating, but now I have not often been used.
Riddles(谜语):
➢I can be used for calculating. ➢Besides, I can also be used for watching DVD, sending e-mail and communicating
through thePICnterpneetr. sonal computer desktop laptop palmtop
an abacus
Riddles(谜语):
➢I am very small and I have been made for calculating. ➢Nowadays, a lot of students use me when solving mathematical problems.
a calculator
PDA palmtop
notebook computer laptop
desktop
Unit 3
Brain storm
listen to music
do shopping online play games
Computer and the Internet
watch
moviesLeabharlann …communicate with people