四川邮电职业技术学院教案专用纸 Teaching Content Co ontents Time Teaching Apparatuses I. Revision Teacher uses the following exercise to help the students to revise the important expressions or phrases or sentences which were learnt in the study of last unit loud speaker Teacher: When I say a phrase or an expression in Chinese, you respond by blackboard giving an English equivalent your learnt in the study of Unit 2 Asynchronous Serial Data transmission Teacher( Chinese Students( English 串行接口 serial interface 数据链路 data link 数据流 data stream 字符间 intercharacter 闲置状态 空号电平 level 起始位 start bit 奇偶校验位 错误标志 error flag 起源于 have one's origin in 按照惯例 convention 被称为 be referred to as II. Pre-reading Activities s mins 1. Ask the Ss the following two questions related to the theme of the text 1) Human being has experienced many ages in his history of more than one million years. We usually define these ages by the typical production tools of them such as Stone Age, Bronze Age, Iron Age, Steam Age, Nuclear Age and so on. Can you use one word to define the age in which we are living? Page 2 of 7 Teaching Plan of Telecommunications English Ur四川邮电职业技术学院教案专用纸 Page 2 of 7 Teaching Plan of Telecommunications English Unit 2 Teaching Content Contents Time Teaching Apparatuses I. Revision Teacher uses the following exercise to help the students to revise the important expressions or phrases or sentences which were learnt in the study of last unit. Teacher : When I say a phrase or an expression in Chinese, you respond by giving an English equivalent your learnt in the study of Unit 2 Asynchronous Serial Data Transmission. Teacher ( Chinese ) Students ( English) 串行接口 serial interface 数据链路 data link 数据流 data stream 字符间 intercharacter 闲置状态 idle state 空号电平 space level 起始位 start bit 奇偶校验位 parity bit 错误标志 error flag 起源于 have one’s origin in 按照惯例 by convention 被称为 be referred to as II. Pre-reading Activities 1. Ask the Ss the following two questions related to the theme of the text: 1) Human being has experienced many ages in his history of more than one million years. We usually define these ages by the typical production tools of them such as Stone Age, Bronze Age, Iron Age , Steam Age, Nuclear Age and so on.. Can you use one word to define the age in which we are living? 3 mins 5 mins computer， projector， loud speaker， blackboard