Question

[ᵛᶰシʆê ϯմệ Đαη⁀ᶦᵈᵒᶫ]

    Saving energy does not 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 following these simple rules: making sure that the kettle does not contain more water than is needed; always washing a full load in the washing machine rather than a half load; turning down your central heating by 1°C - this could cut your heating bill by 10%; being sure that hot water taps are not left running and replacing washers if your taps drip, turning off any lights and your computer at work if you are not using them; changing to energy-saving light bulbs these use around a quarter of the electricity of standard bulds and will last eight times longer; closing your curtains at dusk to keep the warm air from escaping through the windows; and switching off electrical appliances when they are not in use.
31. The energy-saving light bulbs consume about of electricity amount in comparison with standard ones. A. 25%                        B. 45%                                  C. 35%                                 D. 15% 32. The word “they” in the passage refer to? A. windows                 B. electrical applliances        C. ordinary bulbs                 D. curtains 33. The word “cut” in the passage is closest in meaning to?
A. reduce                     B. raise                                  C. increase                           D. destroy 34. Which of the following sentences is NOT true, according to the passage? A. Turn off electricity appliances if we do not use them. B. The ways to save energy are not time-consuming or costly. C. We should close our curtains so that our house looks more beautiful. D. Energy-saving light bulbs should be used in order to save electricity. 35. What is the main topic of the passage? A. How to protect the environment                   B. How to save energy C. How to keep your house warm                     D. How to use light bulbs