2019学年度人教版选修八Unit3Inventors and inventionsPeriod5Using Language教案设计

(ALEXANDER GRAHAM BELL)

Introduction

Language is learned to be used in and for communication. So in this period we shall have the students read, listen, write and speak in English, making use of the focused words, collocations, structures and topic ideas covered in this unit. The following steps are offered to the teacher for reference: Warming up by learning about Bell's Telephone, reading for forms, copying and making sentences, transforming information, making a telephone call, writing a letter and closing down by reading a poem.

Objectives

To help students read the passage ALEXANDER GRAHAM BELL

To help students to use the language by reading, listening, speaking and writing

Procedures

1. Warming up by learning about Bell's Telephone

Bell's Telephone

A pioneer in the field of telecommunications, Alexander Graham Bell was born in 1847 in Edinburgh, Scotland. He moved to Ontario, and then to the United States, settling in Boston, before beginning his career as an inventor. Throughout his life, Bell had been interested in the education of deaf people. This interest leads him to invent the microphone and, in 1876, his "electrical speech machine," which we now call a telephone. News of his invention quickly spread throughout the country, even throughout Europe. By 1878, Bell had set up the first telephone exchange in New Haven, Connecticut. By 1884, long distance connections were made between Boston, Massachusetts and New York City.

Bell imagined great uses for his telephone, like this model from the 1920s, but would he ever have imagined telephone lines being used to transmit video images? Since his death in 1922, the telecommunication industry has undergone an amazing revolution. Today, non-hearing people are able to use a special display telephone to