Section Listening and Talking1.Translate the following words and phrases.power n.電力供應(yīng)；能量；力量；控制力tap vi.&vt. 輕叩；輕敲；輕拍n. 水龍頭；輕叩；輕敲pipe n. 管子；管道whistle vt.& vi. 吹口哨n. 哨子(聲)；呼嘯聲aid n. 援助；幫助；救援物資vi.&vt. 幫助；援助kit n. 成套工具；成套設(shè)備on hand 現(xiàn)有(尤指幫助)stay calm 保持冷靜emergency supplies 應(yīng)急物資2.Brainstorming：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 damage，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.語言知識積累小議祈使句祈使句指的是表示命令、請求、建議或勸告的句子。其主語you常省略，謂語動詞用原形，句末用感嘆號或句號，讀降調(diào)。1.肯定的祈使句(1)動詞原形其他Stand up，please.Please stand up.請起立。(2)Beadj.Be careful！Look out！Take care！小心/當心！(3)Lets動詞原形Lets go to school together.咱們一起上學(xué)去吧。2.否定的祈使句(1)Dont動詞原形Dont let them play with fire.別讓他們玩火。(2)Lets (let us)not動詞原形Lets not say anything about it.對于這件事，咱們什么也別說。1.power n.電力供應(yīng)；能量；力量；控制力powerful adj.強有力的Go to an open space away from buildings，trees，or power lines.(教材P53)去一個開闊的地方，遠離建筑物、樹木或電線。合作探究體會power的用法和意義China is a country where the people are in power.中國是個人民掌權(quán)的國家。It is reported that as soon as the new president comes to power，he will meet with a lot of problems.據(jù)報道，新總統(tǒng)一上臺就會有很多問題(需要解決)。With years hard practice，he now has the power to finish the action perfectly.經(jīng)過數(shù)年的艱苦訓(xùn)練，現(xiàn)在他能完美地完成這個動作。The difficult job is beyond my power.這工作太難，我干不了。自主發(fā)現(xiàn)be in power執(zhí)政；掌權(quán)(狀態(tài))come to power 上臺；執(zhí)政(動作)have the power to do sth 具有做某事的能力beyond/out of ones power 某人力所不能及的詞塊積累seize power奪取政權(quán)turn off the power關(guān)掉電源鞏固內(nèi)化補全句子Since he came to power，he has been in power for almost five years.自從他上臺，已執(zhí)政將近五年了。Im afraid its beyond my power to help you.我恐怕無力幫助你。2.calm adj.鎮(zhèn)靜的；沉著的；平靜的 vt.&vi.(使)平靜；(使)鎮(zhèn)定Stay calm.(教材P53)保持冷靜。合作探究體會calm的用法和意義Calm down！There is nothing to worry about.冷靜下來！沒有什么可擔心的。She tried to calm them down but only to make matters worse.她盡力使他們平靜下來，不料卻適得其反。Tina tried to ignore the danger，and did her best to keep calm.蒂娜試圖不理睬危險，盡量保持鎮(zhèn)靜。自主發(fā)現(xiàn)calm down平靜下來keep calm 保持鎮(zhèn)靜calm sb down 使某人平靜/鎮(zhèn)定下來辨析比較(1)calm意為“平靜的，沉著的”。指無風浪或人的心情不激動。(2)quiet意為“寧靜的，安靜的”。指沒有聲音、不吵鬧或心里沒有煩惱、憂慮。(3)still意為“靜止的，不動的”。指沒有運動或動作的狀態(tài)。(4)silent意為“寂靜的，沉默的，不出聲的”。指沒有聲音或不講話。鞏固內(nèi)化(1)選詞填空(calm/quiet/still/silent)She is a quiet girl.She stood still and kept silent when the teacher asked her some questions.But after a while she answered all the questions in a calm voice.(2)補全句子He remained/kept calm before danger.How brave he is!在危險面前他保持鎮(zhèn)靜。太勇敢了！After she calmed down，she sang better.她平靜下來后，歌唱得更好了。4