Đây nhé :

Task 1: Which of the following is the best summary of the passage?
1. Energy-saving bulbs should be used to save electricity.
2. In Western countries electricity, gas, and water are necessities.
3. North American and European countries are interested in saving money and natural resources.
4. Labeling schemes help save energy.
Task 2: Answer the questions. Write the answers in your exercise book.
1. What are Western consumers interested in?

⇒ They're interested in products that will not only work effectively but also save money.
2. What can we do to spend less on lighting?

⇒ We can replace an ordinary 100-watt light bulb with an energy-saving bulb.
3. Mrs. Jones uses only two ordinary bulbs and she pays USS8 for lighting. How much will she pay if she uses two energy-saving bulbs instead?

⇒ She will pay $S1 if she uses two energy-saving bulbs instead
4. What is the purpose of the labeling scheme?

⇒ It tells the consumers how much energy efficiency each model has, compared with other appliances in the same category.
5. Why should we save energy?

⇒ We should save energy in order to save the environment and money.