最新北师大高一必修2Unit 4精品教学课件U4-L2-1

Vocabulary study
M2-U4-LESSON 2-1
1. The Pentagon (五角大楼）has sent the military to Iraq and the military action has been taken to deal with the fights there. Байду номын сангаас. Dr May is a great scientist. She has done a lot of scientific researches into the Internet. Today, she’s going to tell us something about the history of the Internet. Predict: Did the Net begin for military reasons or for scientific reasons?
While-listening
In pairs, ask and answer questions on the information in the table. (possible questions) 1. How did the Internet begin? 2. What did the Pentagon think of doing and why in the 1960s? 3. Who started to use the network ? What do they use it for? 4. When was it called the Internet? 5. What can people use the Internet for now? 6. What else can the Internet be used for in the future?
M2-U4-LESSON 2-1 Unit 4 Lesson 2
websites
listening
Objectives
By end of the lesson, you will be able to
♦ find out some information about the development of the Internet; ♦ briefly introduce the development of the Net;
While-listening
Listen for collocations or words and choose them to complete the passage. The Internet was started by the 1________. As they were worried about communications after a 2__________, the Pentagon made a big decision to 3______ computers 3________ a network so that if one part of 4___________ was destroyed, other parts could 5____________. Scientists and people in universities started to use the Internet 6___________. They 7____________ for work and 8_________. In the 1980s, people started calling it the Internet. And it was 9_________ that the Internet really began to 10__________. Now it is important for 11_______, email, playing games and 12_____. Keys:1. military 2. nuclear war 3. link…into 4. the network was destroyed 5. continue working 6. to share ideas 7. use the network 8. for fun 9. in the mid-1990s 10. grow fast 11.entertainment 12. getting information
♦ look for information on the English websites.
M2-U4-LESSON 2-1 Pre-listening
What are these? Do you often use them? What do you think of them? What do you know about the Internet?
In the 1960s
While-listening
When ♦ ♦ In the 1960s What happened The military started the Internet The Pentagon: were worried about conversations after a nuclear war thought of linking computers into a network (one part of the network was destroyed, other parts could continue working) Scientists and people in universities started to use the Internet to share ideas. They use it for work and for fun
♦
In the 1980s
In the mid-1990s Now
started calling it the Internet
began to grow fast is important for entertainment, e-mail, playing games and getting information
While-listening
When What happened
♦ The military ___________________ ♦ The Pentagon: ___________ after a nuclear war（核战争） thought of ________________________ (one part of the network _________, other parts could ____________) ♦ ____ and ____started to use the Internet _____ They use it ______ and ________ started calling it the Internet In the mid-1990s is important for