高中二年级Lesson 91 Reading
Lesson 91 ReadingLesson91 Reading
Lesson objectives:
1．Students will be able to get some knowledge about mobile phones andcordless phones.
2．Students will review some knowledge about noun clauses.
Teaching aids: a computer, etc.
Teaching procedure:
A. Pre-reading
1．Revision
1) Use the information from Lesson 90 tocomplete the table (Ex. III in AB) on the differences between the old andmodern telephones. (
2) You may ask some questions to reviewLesson 90: What do you call a book with all the telephone numbers in it? / Whydid you have to wind a handle at the side of the old telephone? / What did anoperator do? / What is the problem with using metal wires to send electricalsignals? / Which new model of telephone is most useful for a doctor? (Atelephone directory. / To produce electricity. / The operator connected the twonumbers and made a note of the length of the telephone call and the charge. /The problem with electrical signals is that they get weaker and weaker as theytravel along metal wires