人教版英語(yǔ)必修第一冊(cè)課件Unit4 Natural Disasters Listening and Speaking

1、Unit 4 Natural DisastersListening and Speaking主題語(yǔ)境人與自然之災(zāi)害防范【語(yǔ)境概說(shuō)】 本單元的主題是人與自然，涉及的話題是自然災(zāi)害與防范、安全常識(shí)與自我保護(hù)。單元話題可以使學(xué)生了解自然災(zāi)害，培養(yǎng)學(xué)生的災(zāi)害防范意識(shí)，對(duì)學(xué)生進(jìn)行防災(zāi)減災(zāi)教育。同時(shí)，鼓勵(lì)學(xué)生開(kāi)展小組活動(dòng)，增強(qiáng)合作意識(shí)。Misfortunes tell us what fortune is.不經(jīng)災(zāi)難不知福。The last drop of humans will be tears of regret after environmental damage.人類(lèi)的最后一滴水將是環(huán)境破壞后悔恨的

2、眼淚。Nature is kind of a loving mother，but also a butcher in cold blood.自然不僅是慈愛(ài)的母親，也是冷血的屠夫。Section Listening and Speaking1.Translate the following words and phrases.disaster n._drought n. _slide vi.& vt. _ flood n. _v i . _v t . _volcanic eruption _ rescue n.& vt. _ 災(zāi)難；災(zāi)害旱災(zāi)；久旱(使)滑行；滑動(dòng) 洪水；大量淹沒(méi)；大量涌入 使灌滿

3、水；淹沒(méi)火山噴發(fā)營(yíng)救；救援damage n.& vt. _ survive vi. _ vt. _destroy vt. _ death n. _affect vt. _ shelter n. _ vt. _ vi. _ 損失；損害生存；存活幸存；艱難度過(guò) 摧毀；毀滅死；死亡影響；(疾病)侵襲；深深打動(dòng) 避難處；居所；庇護(hù)保護(hù)；掩蔽躲避(風(fēng)雨或危險(xiǎn))2.Brainstorming：Have you ever experienced any natural disasters？How many kinds of natural disasters do you know?_fire，earthq

4、uake，hurricane，flood，landslide，tsunami，tornado，drought3.Describe what happened during the earthquake.4.Finish Ex.1 on Page 48.destroyedruinscrackedinjuredFinish Ex.2 & Ex.3 on Page 48.1.SpeakingFinish Ex.4 on Page 49 by following the example.Good morning. Today is 13 May. A huge earthquake hit Wench

5、ua, China, yesterday afternoon. At least 8, 500 people were killed by 13 May in the 7.8 magnitude earthquake. Rescue workers and soldiers are working day and night to dig out those trapped in the ruins and help the survivors.2.Pronunciation(1)聽(tīng)錄音，對(duì)比發(fā)音清輔音/p/t/k/f/s/t/tr/ts/濁輔音/b/d/v/z/d/dr/dz/(2)聽(tīng)詞匯辨

6、-ed結(jié)尾的發(fā)音第一組： reached，kissed，talked，washed，finished，helped規(guī)律：-ed在清輔音后讀：_第二組： enjoyed，welcomed，answered，carried，worried規(guī)律：-ed在濁輔音及元音后讀：_第三組：wanted，started，needed，counted，painted，visited，added規(guī)律：-ed在/t/或 /d/后讀：_ /t/d/id/語(yǔ)言知識(shí)積累.單詞1.strike v.襲擊；災(zāi)難突然發(fā)生2.severe adj. 嚴(yán)重的；嚴(yán)厲的3.rubbish n. 垃圾；廢物4.recover v. 痊愈

7、5.uncertain adj.不確定的6.concern n. 擔(dān)心；關(guān)心7.exist vi. 存在；生存8.attack v. 攻擊；襲擊9.unite v. 團(tuán)結(jié)；聯(lián)合10.hopeless adj.沒(méi)有希望的，絕望的 .短語(yǔ)1.rescue team 救援隊(duì)2.donate.to. 向捐贈(zèng)3.rebuild ones home 重建某人的家園4.take on a new look 呈現(xiàn)新面貌5.put up 搭建；張貼；提高文化知識(shí)習(xí)得震級(jí)震級(jí)是指地震的大??；是以地震儀測(cè)定的每次地震活動(dòng)釋放的能量多少來(lái)確定的。中國(guó)目前使用的震級(jí)標(biāo)準(zhǔn)，是國(guó)際上通用的里氏分級(jí)表，共分9個(gè)等級(jí)，在實(shí)際測(cè)

8、量中，震級(jí)則是根據(jù)地震儀對(duì)地震波所作的記錄計(jì)算出來(lái)的。地震愈大，震級(jí)的數(shù)字也愈大，震級(jí)每差一級(jí)，通過(guò)地震釋放的能量約差32倍。 學(xué)習(xí)策略形成1.聽(tīng)力技巧點(diǎn)撥聽(tīng)力訓(xùn)練有非常多的形式：將聽(tīng)到的詞或句子選出來(lái)、配對(duì)題、真假題、填充題、選擇題、補(bǔ)全句子題、圖表完成題。在聽(tīng)前，根據(jù)標(biāo)題、圖片、問(wèn)題或選項(xiàng)可以預(yù)測(cè)聽(tīng)力材料的大體內(nèi)容。根據(jù)問(wèn)題和選項(xiàng)進(jìn)行預(yù)測(cè)是最常用的方法，一般的聽(tīng)力材料，大多數(shù)要求學(xué)生回答問(wèn)題或選擇正確答案，這些題目本身便為學(xué)生提供了可預(yù)測(cè)的內(nèi)容。迅速瀏覽一下所提出的問(wèn)題或問(wèn)題中的選項(xiàng)，便能在聽(tīng)之前了解相當(dāng)一部分信息。 2.清輔音與濁輔音的區(qū)別英語(yǔ)輔音音素分清輔音與濁輔音，發(fā)音時(shí)聲帶不振動(dòng)的

9、是清輔音，如：/p/，/t/，/k/，/f/，/s/。發(fā)音時(shí)聲帶振動(dòng)的是濁輔音，如：/b/，/d/，/，/v/，/z/。英語(yǔ)輔音大部分是成對(duì)的，分清濁兩種。如：/p，b/，/t，d/，/k，/，/f，v/。英語(yǔ)中有一部分輔音是不成對(duì)的，如：/m/，/n/，/l/，/r/，/j/，/w/ 沒(méi)有對(duì)應(yīng)的清輔音，/h/ 沒(méi)有對(duì)應(yīng)的濁輔音。 1.rescue n.&vt.營(yíng)救，救援What are the rescue workers and soldiers doing in the flood-hit area? (教材P48)救援人員和士兵在受災(zāi)地區(qū)做什么？合作探究體會(huì)rescue的用法和意義Th

10、e rescue car broke down on our way to the flooded area.這輛救援車(chē)在我們?nèi)ズ闉?zāi)地區(qū)的路上出故障了。Helicopters rescued nearly 20 people from the roof of the burning building.直升機(jī)從著火大樓的樓頂救出了將近20人。He held on to a branch until we came to his rescue.他抓住一根樹(shù)枝，直到我們把他救下來(lái)。自主發(fā)現(xiàn)come to/go to sb.s rescue_援救某人_ 從營(yíng)救某人/某物 rescue sb.rescu

11、e sb./sth. from. 詞塊積累rescue team營(yíng)救隊(duì)wait to be rescued 等待救援鞏固內(nèi)化(1)單句語(yǔ)法填空Tom rescued a boy _ the river on his way home.(2)補(bǔ)全句子When we were trapped in the ruins，the soldiers _.當(dāng)我們被困在廢墟中時(shí)，士兵們趕來(lái)救援。fromcame to our rescue 2.damage n.&vt.損失；損害Which buildings were damaged in Seoul? (教材P48)首爾哪些建筑物受損？合作探究體會(huì)dam

12、age的用法和意義Damage caused by the earthquake disaster cant be ignored.地震災(zāi)害導(dǎo)致的損失不容忽視。Eating too much meat one time will cause/do damage to your stomach.一次吃太多的肉會(huì)對(duì)你的胃造成損害。As we all know，smoking can damage our health.眾所周知，抽煙會(huì)損害我們的健康。自主發(fā)現(xiàn)cause/do damage _對(duì)造成損害；損害_ 損害某人的健康鞏固內(nèi)化補(bǔ)全句子 Y o u r f a t h e r i s a n

13、g r y b e c a u s e y o u h a v e _ the flower beds.(damage n.)你把花壇損壞了，你父親對(duì)此非常生氣。He had an accident and _.(damage vt.)他遇到意外事故，把自行車(chē)弄壞了。 todamage ones health caused/done damage todamaged the bike3.affect vt.影響；(疾病)侵襲；深深打動(dòng)effect n.效應(yīng)；影響；結(jié)果 vt.引起；實(shí)現(xiàn)；使發(fā)生82 killed，500，000 affected(教材P49)82人死亡，50萬(wàn)人受影響合作探究體

14、會(huì)affect與effect的用法和意義The noise from the coming and going cars of the road affected our study.馬路上來(lái)往車(chē)輛的噪音_了我們的學(xué)習(xí)。Most people present at the meeting were deeply affected by his speech.出席會(huì)議的大多數(shù)人被他的演講_了。My parents divorce had a great effect on me.父母的離婚給我?guī)?lái)了很大的_。影響深深打動(dòng)影響自主發(fā)現(xiàn)affect sb./sth.影響某人/某事be deeply

15、_. 被深深打動(dòng)have an effect _. 對(duì)有影響辨析比較(1)affect主要用作動(dòng)詞，意為“影響”，相當(dāng)于have an effect on。(2)effect作動(dòng)詞時(shí)指“引起；實(shí)現(xiàn)；使發(fā)生”，著重“造成”一種特殊的效果。作名詞時(shí)指affect(影響)的結(jié)果，常用于短語(yǔ)have an effect on.中，表示“對(duì)有影響”。 affected byon鞏固內(nèi)化(1)選詞填空(affect/effect)Dont play around here! Your noise _ my job badly.Playing computer games too much will hav

16、e a bad _ on your study.(2)補(bǔ)全句子The firefighters lung _ because of breathing in the poisonous gas.由于吸入了有毒氣體，那位消防隊(duì)員的肺部受到了侵襲。What you say or do will _ others.你所說(shuō)或所做的每一件事都會(huì)對(duì)別人產(chǎn)生影響。affectseffectwas affected have an effect on 4.shelter n.C避難處；居所 U庇護(hù) vt.保護(hù)；掩蔽 vi.躲避(風(fēng)雨或危險(xiǎn))Shelters set up by the government(教材P49)政府設(shè)立的庇護(hù)所合作探究體會(huì)shelter的用法和意義Its so hot，and wed better find a tree to take shelter from the sun.太熱了，我們最好找棵大樹(shù)來(lái)遮陽(yáng)。We sat in the shade，sheltering from the sun.我們坐在背陰處，避免被曬到。Trees shelter the house from the wind.樹(shù)給房子擋住了風(fēng)。自主發(fā)現(xiàn)take shelter _.躲避