Period 4 Cultural Corner, Writing课题Period 4 Cultural Corner, Writing课型New教学目标1. To enable Ss to know more about construction projects in the world 2. To let them write a short passage to describe the changes and effects in their own city重点Enable the Ss to know how to write.难点How to make proper use of words and phrases.学 情 分析The Ss can finish the task.教 具 课件1. A recorder 2. A projector 3. A computer教法Individual work and discussion教 学 程序教学内容（引入、例题、练习题、检测题等）师生活动时间分配Step 1Step 2Step 1. Revision Check the answers to the Vocabulary and Reading exercises in the Workbook. Step 2. Cultural Corner1. Leading-in T: As we all know, there are a lot of construction projects which are world famous just like The Three Gorges Dam. Do you want to know more about them?Then ask Ss to express their opinions in several groups, collecting the answers and share them in class.2. Reading (1) Ask Ss to read the text and the information in the table on page 59. (2) Ask Ss to answer the questions above the text.3. Language points1. Ask Ss to find out the Attributive clauses in the passage and 10’translate into Chinese. (1) It was the tallest building in the world until the World Trade Centre was built in New York in 1972. 它一直是世界上最高的建筑，直到 1972 年纽约的世贸中心建成。until 与 till 表示“直到”之意，引导一个时间状语从句。当主句为延续性动词时，句子用肯定形式；当主句动词为非延续性动词时，句子用否定形式。He waited until/till his mother came back.他一直等到妈妈回来。I won’t leave here until you ask me to. 你叫我走我才走。(2) From the observatory at the top, on a clear day you can see five US states.从顶部的观察所，在晴天可俯视到美国的五个州。注意 observe 的词性及词形变化：observatory n ...
