Unit 6 Electricity 单元话题阅读理解练习 Electricity keeps us warm in winter and cool in summer, cooks our food, heats our water, washes our clothes and provides power for our TVs, radios and computers. Electricity makes wonderful things possible. Electricity can be very dangerous, too. It can travel easily through our bodies. Because electricity moves quickly through water and the human body is 70% water! What will happen if you get shocked (电击) You will find it hard to breathe, your heart will stop beating and you will get burns and even die! As electricity travels at the speed of light, it’s almost impossible for you to pull away if you really get shocked. And, you should never try to touch anyone who’s been shocked with your hands. You’d better call an adult to help you. It sounds terrible. But if you remember the safety rules, you can always use electricity safely. 1．How does electricity make our lives A．More convenient. B．More difficult. C．More foolish. D．More patient. 2．Why can electricity travel easily through our bodies A．Electricity is made up of water. B．Our bodies need electricity. C．There is much water in our bodies. D．Water can produce electricity. 3．If you get shocked, something may happen except (除了) _____. A．breathing hard B．having a cold C．getting burns D．dying 4．If you see a boy get shocked, what should you do A．Touch him with your hands. B．Tell him not to touch himself with his hands. C．Try your best to make his heart beat. D．Call an adult to help you. 5．When can you use electricity safely A．When you save electricity. B．When you remember the safety rules. C．When you turn off electricity. D．When you know electricity is dangerous. China keeps the same time over all the seasons in a year. But it’s different in many countries, like the UK and Germany. These countries have summer time and winter time. In March, they set (设置) their clocks one hour forward (往前), However, in October or November, they set their clocks one hour back. In the Northern Hemisphere (北半球), after March 23, days slowly become longer and the sun comes out earlier. During that time, if people wake up earlier, they can use more sunlight (阳光). It saves electricity (电). In the winter, however, they can sleep more in the morning to save electricity. People working in cinemas dislike setting the clock. They say that when people get more sunlight, they don’t want to go to dark cinemas. But baseball lovers like it. When they are in summer time, they can play for a longer time because there is more sunlight. 6．What can we learn from paragraph 1 and 2 A．China has summer time all year around. B．China keeps the same time in a year. C．The UK has winter and spring time. D．The UK sets their clocks every season. 7．What might the underlined word “saves” mean in the passage A．浪费 B．产生 C．使用 D．节约 8．What will happen (发生) in the Northern Hemisphere after March 23 A．Days slowly become longer. B．Sun comes out later. C． ... ...
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