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课 时 教 案
课题：Welcome to the unit U3B3 第　1　课时 总序第　 个教案
课型： New lesson 编写时间:2024年4月 日 执教时间：2024年4月 日
教学目标：1. share with peers their use of emails, webcams or emojis; 批　注
2. know the origin of the three milestones in the development of the Internet;
3. discuss other facts about the Internet.
教学重点：
discuss other facts about the Internet.
教学难点：discuss other facts about the Internet.
教学用具：Multi-media
教学方法：Group work, discussion
教学实施过程：
1. Have students brainstorm the usage of the Internet by filling in the
following table.
Daily usage:
Communication, A source of information, Online games, Online reading,
Online ads, Online education, E-dictionaries, E-commerce
Professional usage:
Military usage, Scientific usage, Data collecting and analysis, Online polls,
Weather forecasts, Medical usage, Social security, Tracing criminals
2. Have students read the web page on page 29 and answer the following
question.
What examples of important milestones in the development of the Internet
are mentioned
The first email, webcam and emojis.
The first email was sent in 1971 by Ray Tomlinson. It was a test message to
himself. He wanted to see whether he could send a message from one computer
to another. He chose the “@” sign to separate the username from the name of 批　注
his machine.
The first webcam was created by computer scientists at the University
of Cambridge in 1991. What did it film A coffee pot outside the office.
These scientists used the webcam to see from their desks whether the pot
was empty to avoid wasted trips for coffee.
Emojis, small digital images used to express ideas or feelings in
electronic communication, were created in 1999 in Japan. The creator was
inspired by Japanese comics, street signs and Chinese characters. Soon emojis
took off throughout the world. Oxford Dictionaries selected,the “Face with
Tears of Joy” emoji, as the Word of the Year 2015.
3. Have students answer the two questions on page 29.
1) Which of the above inventions do you use most frequently Why
I use emojis most frequently when I message my friends. They look cute, and
are a quick and easy way to express how I am feeling.
2) What other facts do you know about the Internet
The term “surfing the Internet” was first popularized in print by Jean
Armour Polly, a librarian, in 1992. In 2010, Finland became the first country
to make Internet access a legal right.
教学反思：

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