牛津深圳版 英语课件：七年级下unit5 electricity more practice

课件16张PPT。ElectricityMore practiceBefore you readWhile you readAfter you readCONTENTSA1 Complete the sentences with the words from the box.Modern people use more __________ than people in the past.
Don’t touch the __________! You’ll get an electric __________.
When the workers were digging up the road, they cut the __________. As a result, there was a __________ in the area.blackout wire
energy
cable
shockenergywireshockcableblackoutBefore you read123-13A2 Now, use your dictionary and find out whatthese five words mean.blackout
wire
energy
cable
shocka period of darkness caused by a cut in the electricity supply
something carrying electricity
the power that makes things work
a thick, strong rope made of wire
a very strong force or blow123-23B Electricity is important. Discuss with yourclassmates. What would our lives be like without electricity?123-33While you read123A Read the passage.3-1Almost everyone today uses electricity in one way or another. It is hard to imagine the life in our city without it. In streets, electricity can light the roads and buildings. It can drive underground trains and work the traffic lights. It can warm people and their pets in their families. It can heat food in cookers and cool it in fridges. And every day radios and televisions use electricity to bring entertainment and news to millions of families. It can work the lifts and the machines in factories.
In villages and on farms, electrical machines can milk the cows andchop their food. They can also cool the milk. In fact, electricityfinds as much work to do in villages as it does in cities.B Match these words with their meanings.fdbeca1233-21233-3C Complete the table.light the roads and buildings; drive underground trains; work the traffic lightswarm people and their pets; heat food in cookers and cool it in fridges; radios and televisions use electricity to bring entertainment and news to millions of familieswork the lifts and the machinesmilk the cows; chop their food; cool the milkAfter you readA Look at the pictures below. Work in pairs and take turns to say what we must and must not do to save electricity.1234566-1________________________________________________________________________________________________________________________________________We must use fewer lights.We must close the fridge or freezer after we have taken something out.1234566-2________________________________________________________________________________________________________________________________________We must turn fans off when we leave a room.We must not leave the light on when we leave a room.1234566-3________________________________________________________________________________________________________________________________________We must not leave the kettle unattended.We must close all the windows when we are using the air conditioner.1234566-4B The people in the following pictures have done
something wrong. Discuss and point them out.1234566-5C In small groups, discuss what we can do if all the electricity is off in our home.1234566-6说 明
本套教材根据牛津英语教材English First!，On Target!和Oxford English，由上海市中小学（幼儿园）课程改革委员会和牛津大学出版社（中国）有限公司合作改编。为了使教材更适合深圳学生的实际情况，又由深圳市科学研究院对现行英语教材（牛津上海版）进行适当改编。
本册教材供七年级第二学期试用。
本套教材改编顾问：张民伦
原教材改编者： 沃振华
李绍贤 朱维庭 施安吉 施志红 杨顺德
本版教材改编者： 尚 强 安凤岐
课件制作： 卢 璐