Saving energy doesnt have to be expensive or time consuming. But what can you do to save energy? There is plenty that you can do to help the process of energy conservation. You can save energy by doing things like making sure that the kettle doesnt contain more water than is needed, always washing a full load in the washing machine rather than a half load or turning down your central heating by 1oC this could cut your heating bill by 10%. Making sure that hot water taps are not left running and replace washers if your taps drip. At work you can turn off any lights and your computer if you are not using them. Change to energy saving light bulbs these use around a quarter of the electricity, and often last eight times more than an ordinary bulb. Close your curtains at, dusk to keep the warm air from escaping through the windows. Switching off electrical appliances when they are not in use makes a big contribution to energy saving too. Câu 1. What is the main topic of the text? A. How to protect the environment B. How to save energy C. How to save electricity Câu 2. The saving light bulbs account for... of electricity amount of ordinary bulbs. A. 20% B. 23% C. 25% Câu 3. Which word does "taps" have close meaning with? A. pipes B. faucets C. showers Câu 4. What does "them" refer to? A. light B. computer C. light and computer Câu 5. Which following sentences is not true? A. We should use saving light bulbs in order to save electricity B. The ways to save energy are not time-consuming C. We should close our curtains so that our house looks more beautiful.