1、Unit 4 Natural DisastersListening and Talking 1.Translate the following words and phrases.power n._tap vi.&vt._ n._pipe n._ 电力供应；能量；力量；控制力 轻叩；轻敲；轻拍水龙头；轻叩；轻敲管子；管道whistle vt.&vi._ n._aid n._ vi.&vt._kit n._on hand _stay calm _emergency supplies _ 吹口哨哨子(声)；呼啸声援助；帮助；救援物资帮助；援助成套工具；成套设备现有(尤指帮助)保持冷静应急物资2.B
2、rainstorming：When it comes to a disaster，we may think of Wenchuan Earthquake.Do you know what damage an earthquake will bring about?_ _ _It is the result of a sudden release of energy in the Earths crust.Earthquakes may result in diseases,lack of basic necessities,loss of life,general property damag
3、e,road and bridge damage and sometimes landslides,fires,floods and even tsunamis.Finish Ex.1 on Page 53.TalkingFinish Ex.4 on Page 53 by following the example.语言知识积累小议祈使句祈使句指的是表示命令、请求、建议或劝告的句子。其主语you常省略谓语动词用原形，句末用感叹号或句号，读降调。1.肯定的祈使句(1)动词原形其他Stand up,please.Please stand up.请起立。(2)Beadj.Be careful!Loo
4、k out!Take care!小心/当心！(3)Lets动词原形Lets go to school together.咱们一起上学去吧。2.否定的祈使句(1)Dont动词原形Dont let them play with fire.别让他们玩火。(2)Lets(let us)not动词原形Lets not say anything about it.对于这件事，咱们什么也别说。1.power n.电力供应；能量；力量；权力powerful adj.强有力的Go to an open space away from buildings,trees,or power lines.(教材P53)去
5、一个开阔的地方，远离建筑物、树木或电线。合作探究体会power的用法和意义China is a country where the people are in power.中国是个人民掌权的国家。It is reported that as soon as the new president comes to power，he will meet with a lot of problems.据报道，新总统一上台就会有很多问题(需要解决)。With years hard practice，he now has the power to finish the action perfectly.经
6、过数年的艰苦训练，现在他能完美地完成这个动作。The difficult job is beyond my power.这工作太难了，我干不了。自主发现be in power 执政；掌权(状态)_ 上台；执政(动作)_ to do sth.具有做某事的能力beyond/out of ones power 某人力所不能及的词块积累seize power夺取政权turn off the power关掉电源come to powerhave the power巩固内化补全句子Since he _,he has been _ for almost five years.自从他上台，已执政将近五年了。I
7、m afraid its _ to help you.我恐怕无力帮助你。came to powerin powerbeyond my power2.calm adj.镇静的；沉着的；平静的 vt.&vi.(使)平静；(使)镇定Stay calm.(教材P53)保持冷静。合作探究体会calm的用法和意义Calm down!There is nothing to worry about.冷静下来！没有什么可担心的。She tried to calm them down but only to make matters worse.她尽力使他们平静下来，不料却适得其反。Tina tried to i
8、gnore the danger,and did her best to keep calm.蒂娜试图不理睬危险，尽量保持镇静。自主发现_ 平静下来_ 保持镇静_ 使某人平静/镇定下来辨析比较(1)calm意为“平静的，沉着的”。指无风浪或人的心情不激动。(2)quiet意为“宁静的，安静的”。指没有声音、不吵闹或心里没有烦恼、忧虑。(3)still意为“静止的，不动的”。指没有运动或动作的状态。(4)silent意为“寂静的，沉默的，不出声的”。指没有声音或不讲话。calm downkeep calmcalm sb.down巩固内化(1)选词填空(calm/quiet/still/silen
9、t)She is a _ girl.She stood _ and kept _ when the teacher asked her some questions.But after a while she answered all the questions in a _ voice.(2)补全句子He _ before danger.How brave he is!在危险面前他保持镇静。太勇敢了！After she _,she sang better.她平静下来后，歌唱得更好了。quietstillsilentcalmremained/kept calmcalmed downThank You
