3．Now the Ss read the short passage about The Telephone in the Office on SB Page 63. To test their understanding, let them translate them into Chinese. (Conference calling电话会议Dialing缩位拨号Redirection转移呼叫Call waiting 呼叫等待).
4．Now let the Ss deal with the new words in this lesson. You may use pictures to help Ss understand and use the new words. ( Ex. V in AB) 1) Iron and steel are kinds of strong building materials. The storm started on the way, but I had no strength to gofor a raincoat. We are making efforts to strengthen the relationship.2) If something happens frequently, it happens often. He paid frequent visits to me while he was staying here. The baby was fed frequently.3) To save time and money , he hired bicycles for traveling when he was in the country.4) He looked up and saw a snake wound around a branch. The rivers wind their way to the sea. 5)Where does Zhongshan Road connect with Zhujiang Road? The two cities are connected by a railway line.The police thought the man connected with the murder.
C．Post-reading
1．Give Ss several minutes to prepare to retell the two parts of the text according to some given key words.(Ex. VI in AB)
(old telephones) long distances difficult
wires thick, heave, expensive
make a call wind a handle / electricity
operator connect / note of length / charge
telephone directory 1878 / one piece / one side
1877—2, 600 1900—300,000 000
(modern telephones) great advances last quarter of the 20th Century
radio waves satellite
electrical signals weaker / strengthen 3-4 km
light signals 150 km clearer
glass pipes 1 mm / send light signals
sound→electrical signals→light signals→electrical
signals→sound
2．Here Ss may find some situations to judge which modern ways of telephones the
《高中二年级Lesson 90 Reading》出自：www.89xue.com网www.89xue.com y can make use of
1) You're a doctor, you have to go out to see a patient, but there are still many people who want your help.
2) Every day, you call your girl friend to say “Hello” to her.
3) You are on the phone. Maybe someone has important things to tell you, but the line is busy.
4) You are a boss. You've two chain companies in two different cities. You want to discuss with the two managers about the reduction of the price immediately.
Answer： Redirection; Dialing; Call waiting; Conference calling
3．Let Ss discuss after they have grasped the general knowledge of telephones: What other functions of telephones do you want to develop? Ss may be interested in this topic. Give them time and space to imagine. Show a bridge to future to encourage students’ interest to science (on the computer).
Homework
1．Write a passage to describe the old and modern telephones by using the method of comparison.
2．Finish off the Ex. in AB.