45公開課(更新版)
【正文】 ay. =servant Benny scratched his head. Dad said, ‘Nobody’s ever seen electricity. It’s invisible. But we change it into forms of energy that we can see, hear or feel. Can you think of an example?’ Benny said, ‘ Light. The light in a light bulb.’ Mum said, ‘ That’s right. Do you know where electricity es from?’ 13. Nobody’s=Nobody has 14. invisible=can not be seen Some stars are invisible.= Some stars can not be seen. 15. change…into… We change electricity into sound energy. =shapes or kinds Water has three formsliquid, gas and solid. un. 光 adj. 輕的 bulb=the glass part of an eletric lamp that gives out light. Benny said, ‘ Well, it es into our flat through thin wires, and these are connected to thick wires that are buried under the street.’ ‘We call the thick wires cables,’ said Dad. ‘What are they connected to?’ ‘A reservoir?’ asked Benny. ‘No. You’re thinking of water,’ said Dad. ‘They’re connected to a power station. That’s where we make electricity.’ 19. connected =joined together be connected to 被動語態(tài) (be+done) eg. The puter is connected to the printer by a wire. 20. buried=put something/someone in the ground eg. When people die, they are usually bured. 21. cables=thick ropes of wire which electricity passes through eg. Telegrams are sent to other countries by means of cables. 22. power station= the place where people make electricity.
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