I. Before you read Work in pairs. Answer the following questions. (Làm việc theo cặp. Trả lời các câ
II. While you read Read the passage and then do the tasks that follow. (Đọc kĩ đoạn văn và sau đó là
Task 2. Scan the passage and write down the advaniage(s) and disadvantage(s) of each alternative sou
Task 3. Answer the questions. (Trả lời các câu hỏi.) 1. What is our major source of energy ? ( Nguồn
III. After you read Complete the summary of the readinư passase by filling each blank with a suitabl
Task 2. Work in pairs. Talk with your friend about the advantages and disadvantages of using each al
Task 3. Work in groups. Express your belief on the increasing use of alternative source of energy in
Task 1. Study the chart about energy consumption in Highland in 2000 and fill in the gaps with the i
Task 3. Describe the chart, using the information from Task 1 and Task 2. (Mô tả biểu đồ, sử dụng cá
Exercise 2. Rewrite the following; sentences, using a past participial phrase. ( Viết lại câu, sử dụ
Exercise 3. Rewrite the following sentences, using an infinitive phrase. ( Viết lại câu, sử dụng cụm
II. READING Read the passace and answer the questions. (Đọc kĩ đoạn văn và trả lời các câu hỏi.) Air