Unit 4 The Telecommunications Revolution
The Telecommunications Revolution Unit 4
o Stage 1: Warming-up Activities Stage 2: Reading-Centred Activities 2 Stage 3: After-Reading Activities Stage 4: Listening-and-Speaking Practice
Stage 1: Warming-up Activities Stage 2: Reading-Centred Activities Stage 3: After-Reading Activities Stage 4: Listening-and-Speaking Practice
s Warming-up Activities Eo Group work Questions for thought and discussion co Background information oE9 Enriching your vocabulary Comparing the following words
Warming-up Activities Group work Questions for thought and discussion Background information Enriching your vocabulary Comparing the following words
t Group work Go over the preview, the pre reading questions and the title of the text before listening to the summary of the story and anticipate what we are going to read
Group work Go over the preview, the prereading questions and the title of the text before listening to the summary of the story and anticipate what we are going to read
to Questions for thought and discussion Listen to a short passage carefully and then answer the following questions
Questions for thought and discussion Listen to a short passage carefully and then answer the following questions
15 Background information telecommunications: Telecommunications, from Greek, means“ communications at a distance” Telecommunications through voice, data, and image communication is changing the world. The ease of accessing information and people anywhere at anytime is having major impacts on society, business and finance. Two major trends have occurred in the technology that is applicable to telecommunications. The first trend has been the incredible increase in the processing power of digital computers, namely, dramatic decreases in physical size along with equally dramatic increases in complexity, speed, and capacity. The second trend has been the explosive growth in
Background information • telecommunications: Telecommunications, from Greek, means “communications at a distance”. Telecommunications through voice, data, and image communication is changing the world. The ease of accessing information and people anywhere at anytime is having major impacts on society, business, and finance. Two major trends have occurred in the technology that is applicable to telecommunications. The first trend has been the incredible increase in the processing power of digital computers, namely, dramatic decreases in physical size along with equally dramatic increases in complexity, speed, and capacity. The second trend has been the explosive growth in
transmission capacity through the widespread use of optical fiber across continents and under oceans. These two trends have had impressive long-term consequences for telecommunications around the world. The Internet and the World Wide Web have already created a global system for the access of information. It has become popular that people check flight, weather, and hotels before traveling to a foreign country. E-mail makes it easy to keep in contact instantly with colleagues and friends around the globe. But many of the peoples of the world do not even have a telephone, much less access to the Internet and the information. The challenge to the telecommunications industry is to bridge the digital gap and extend the availability of telecommunications to all parts of the planet
transmission capacity through the widespread use of optical fiber across continents and under oceans. These two trends have had impressive long-term consequences for telecommunications around the world. The Internet and the World Wide Web have already created a global system for the access of information. It has become popular that people check flight, weather, and hotels before traveling to a foreign country. E-mail makes it easy to keep in contact instantly with colleagues and friends around the globe. But many of the peoples of the world do not even have a telephone, much less access to the Internet and the information. The challenge to the telecommunications industry is to bridge the digital gap and extend the availability of telecommunications to all parts of the planet
S Enriching your vocabulary Read the sentences carefully and guess the meaning of the italicized term in each sentence according to the context and your own experiences
Enriching your vocabulary Read the sentences carefully and guess the meaning of the italicized term in each sentence according to the context and your own experiences
The company specializes in telecommunications.长途通信 Some kitchen tools have very little uti.用处 high utility bill公用事业 Telescopes and microscopes are optical instruments.光学的 He suffers from an optical defect 视觉的
• The company specializes in telecommunications. • Some kitchen tools have very little utility. • high utility bill • Telescopes and microscopes are optical instruments. • He suffers from an optical defect. 长途通信 用处 公用事业 光学的 视觉的
The road has been dug up in order- to lay cables. 电缆 a bracelet made of copper 铜 Her hair shone copper in the sunlight. 紫铜色 When I asked him about his childhood. he remembered a parade of baby-sitters 大批 The small boy loves watching the soldiers on parade.检阅队伍
• The road has been dug up in order to lay cables. • a bracelet made of copper • Her hair shone copper in the sunlight. • When I asked him about his childhood, he remembered a parade of baby-sitters. • The small boy loves watching the soldiers on parade. 电缆 铜 紫铜色 一大批 检阅队伍