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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,Reading,Energy,electricity and batteries,Energy,Energy is the ability to do some kind of work.That can make things move,heat things up,or make light or sound.,能量是做功的能力，它可以使物体运动、升温或者发出光和声音。,Electricity,Electricity is a type of energy.We use it to power things like lights,heaters,TVs,and computers.Some buses and trains work on electricity,too.,电是一种能量。电灯、暖风、电视和电脑等电器依靠电来工作。有的汽车和火车也是依靠电来驱动的。,Electrical appliances have metal wires inside,them.Electricity works by flowing in a current,along the wires.The electrical energy flowing,through things makes them work.,用电器的内部都有金属导线。电以电流的形式,沿导线流动，由此形成的电能流经用电器，使,其工作。,Battery,A battery contains a store of chemicals.It turns energy from the chemicals into electrical energy.When the chemical energy is used up,the battery runs out of electrical energy.It stops working.,电池内含有多种化学物质。它能把化学物质中的能量转化成电能。当化学能耗尽后，电池也就没有了电能，电池就不能用了。,READING,Before you read,Do you know how electricity comes to our homes?,power station,make electricity,cable,wire,light bulb,Lets discuss!,What does the word“energy”mean?,Where does the boys energy come from?,Where does the robots energy come from?,Im a robot.My,energy,comes from electricity.,Im a boy.My,energy,comes from food.,power and ability to do a lot of work or activities,Can you tell me what the topic will be about of this unit?,-electricity,READING,A.What do you know.?,There are three ways of producing electricity.Write the correct words in the blanks.,solar power water power wind power,wind power,water power,solar power,Look at the,photos,and the,title,and answer these questions.,What did the girl buy?,What do you think the story may be about?,Where electricity comes from.,What electricity is like.,What we use electricity for.,How we can use electricity safely.,B.Before you read,Some batteries,a,b,c,Circle the correct answers to complete the sentences.,If you,reply,to a question,you _ it.,ask B.answer,A,foolish,person usually does _ things.,harmful B.silly,When my computer is,connected,to the Internet,the Internet _ my computer and the other computers in the world together.,joins B.carries,A,B,B,4.If you ask someone to wait for a,moment,you will come back in _.,A.a long time B.a short time,5.,Batteries,provide toy cars with _.,A.electricity,B.heat,B,A,C2.Complete the passage below with words and phrases from the box.,anyone connected to in a way power station wires,Electricity is like water,(1),_.It flows from the (2)_ to our homes.,The light,TVs and computers in our homes are(3,)_ the power station through(4)_.,Electricity is very important to us.We need it at home,at work and in school.Could(5)_ live in a world without electricity?,in a way,power station,connected to,wires,anyone,Strategy,Power station is a,compound noun,.We may guess the meaning of a compound noun by looking at the two nouns.See more examples below:,bath+room=bathroom,living+room=living room,Find these sentences in the story on P73.Write the name of the person or thing that pronoun in italics,（斜体）,refers to.,1.,I,m going to buy some sweets.(lines 1-2),2.Can,you,get,me,a packet of electricity,please?,(lines 4-5),3.,She,ll look foolish.(lines 8),4.I,t,s like water,in a way.(lines 11-12),5.,They,are connected to a power station.(lines 16),Daisy,Electricity,D1,Benny.,Daisy,Cables,D2,How does electricity get to Bennys flat?Choose the correct words in the box to label the diagram(,图解,)below.,wire,cable,power station,cable power station wire,D3 Discussion,Who looks foolish in the end?,Find out the,useful phrases,and,expressions,.,一盒,成盒装的,流经，流过,在某种程度上,与,相连接,片刻之后,看起来傻乎乎的,a packet of,in packet,s,flow through,in a way,be connect,ed,to,a moment later,look foolish,Language Points,sweet,adj.,糖果,c.n sweets,甜品,u.n,e.g.,这些糖果给你。,There are some sweets for you.,e.g.,冰淇淋是我最喜欢的甜品。,Ice cream is my favourite sweet.,Can,you,get,me,a packet of,electricity?,can,情态动词,表示“请求,允许,可以”,e.g.Can I hand in the homework tomorrow?,get,v.,得到,get sb sth=get sth for sb,为某人取某物,e.g.Can you get me the book?,=Can you get _?,e.g.Can I get you a drink?,=_?,帮助实义动词表明立场，态度,the book for me,Can I get a drink for you?,Language Points,选词填空：,get /take /bring,Please,bring,your homework,here,.We will check the answers together.,Can you,get,me a cup of coffee?,This is your brothers letter.,Take,it to,him.,get,去取来,take,拿走,bring,拿来,Language Points,_,_,_,a packet of,一盒,+c.n(pl.)/u.n,e.g.a packet of eggs,a packet of milk,in packets,盒装的,in+c.n/u.n,e.g.in peace,和平,in tens,以十为计,十进制,in pieces,破碎地,in surprise,惊奇地,Language Points,Shell look foolish.,她看上去会很傻。,解析：,look,在此意为“看起来好像；显得”，后接形容词。如：,Your daughter looks very beautiful.,你女儿看起来挺漂亮的。,与,look,用法相同的连系动词还有：,sound“,听起来”，,smell“,闻起来”，,taste“,尝起,来”和,feel“,摸起来；感觉”。,Language Points,You mustnt say that.,must,情态动词，必须，一定,mustnt=must not,不允许，不准,e.g.,你不准在这里吸烟。,You mustnt smoke here.,Language Points,like,v.&prep.,v.,喜欢,e.g.,我喜欢这本书。,I like this book.,prep.,像,be like=look like,e.g.,他看起来像他的爸爸。,He looks like his father.,
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