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a. wires b. hurt c. force d. hair e. sockets（插座） f. work g. careful h. batteries i. flow j. lightning |
Electricity（电）is an invisible . You cannot see electricity，but you can see what it does! It makes streak（疾行）across the sky. It can make your stand on end. Electricity can through wires and make things work. We can plug things into in the wall. Electricity flows through light-bulbs，computers，and refrigerators to make them Some things have in them to create electricity. Flashlight and cell phones use batteries. Be with electricity It can or even kill you. Never touch electricity or sockets.
