Grammar and usage(1): Modal verbs: general introductionppt配套的板书设计及意图

Unit1 Living with technology Reading 1 Teaching aims: 1.

students will be able to read an article from a book about the evolution of video and sound devices; 2.

students will be able to know the reading strategy—understanding headings; Teaching procedures: Step 1

Lead-in Where is this piece of writing taken from? What is it about?

Step 2

Checking preview

1. John Logie Baird.

Two minutesThomas Edison.

The Portable cassette players. 2. New words.

Step 3

Reading strategies 1 What do you think is the best way to get the most important information in such a long passage? Follow the chronological order. •

1887—Emile Berliner invented a record player that used discs to record on. •

1925—The first public TV broadcasts were made, in the USA.

•

1929—Regular public broadcasting began in London.

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1938—The first colour TV programme was broadcast.

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1962—Satellites were used to broadcast TV. •

1967—Regular colour TV broadcasts began in the UK.

•

1982—The first CDs were made available.

•

1993—The VCD was born.

•

1995—The DVD was invented.

Step 4

Reading strategies 2

How is so much information organized?

Take a close look at the structure of the passage and you’ll find out: Subtitles are helpful!

Step 5

Reading for details

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Step 6

Understanding difficult sentences

1.

Regular public broadcasting followed shortly after, first beginning on 11 May 1928 in New York.

Regular public broadcasting followed shortly after.

Regular public broadcasting first ____ on 11 May 1928 in New York.

2. Satellites were used to broadcast TV beginning in 1962.

Satellites were used to broadcast TV and this ____ in 1962. 3. … broadcast the signals they get from satellite receivers to the population living nearby.

… broadcast the signals they get from satellite receivers to the population ____ ____ nearby. 4. … adopt many of the principles first discovered by Fransworth.

adopt many of the principles ____ ____ ____ ____by Fransworth. 5. …

and so satellite dishes can often be seen distributed throughout the countryside and the remote areas. … and so you can often see ____ ____ ____ throughout the countryside and the remote areas. 6. …

it was not until 1938 that the first colour TV programme was broadcast.

The first colour TV programme _______________________________. 7. Technology is now changing faster than most people can keep pace with.

Most people _____________________. Step 7

Writing a summary Can you briefly introduce the evolution of video and sound devices?

Step 7

Homework

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