Lesson 67 Volcanoes一、教学重点1、复习书信写作二、教学步骤1、引入话题（详见右框）。

2’2、听一遍音频，掌握大意。

5’①Where did Tazieff go in 1948?②Did he take photographs or not?③Where did he climb this time?3、生词解读，纠正发音。

10’4、提出问题：Why did he do so?看一遍视频，解答问题。

3’5、精讲课文，板书和笔记（详见下文）。

20’1、做307页的两道选择理解题。

5’2、朗读课文。

10’3、复习句型（详见下文）。

10’4、做305页关于句型的练习。

15’5、绕口令。

10’【第三节课】1、讲解306页的难点。

10’2、听写单词，记忆法指点。

10’3、听英文歌曲。

8’4、看图背课文比赛。

20’5、总结本课重点，让学生标注（详见上文）。

1’6、布置作业：摘要写作，307页的选择题，背课文和单词。

1’三、单词讲解1. volcanoan active volcano 活火山a dormant volcano 休眠火山an extinct volcano 死火山dance on a volcano 大难将至犹自取乐sit on a volcano 处境危险earthquake; flood; typhoon; storm; tornado2.active1) adj. 活动的，活跃的an active member of the club2) adj. 积极的;主动的an active learnertake active stepsactive voicetake an active part in the activities反义词passive adj. 消极的, 被动的an passive learnerpassive vioceactor; actress; action; actively3. violently adv. 猛烈地, 剧烈She shook her head violently.The volcano violently erupted.violent adj. 猛烈的, 激烈的, 暴力引起的, 强暴a violent manviolence n. 猛烈, 强烈, 暴力, 暴虐, 暴行, 强They threaten me with violence.4. manage v. 设法(manager)manage to do sth.= succeed in doing sth.=was able to do sth.设法做成某事我能把这件事办好I can manage it.= I can manage it myself.= I can do it.我总算下了车.I managed to get off the bus.那栋房子你最后找到了没有?Did you manage to find the house?5. brilliant adj.卓越的；非凡的；精彩的；有才华的;鲜明的a brilliant speaker 一位卓越的演说家brilliant achievements 非凡的成就brilliant photos 精彩的照片a brilliant artist 有才华的艺术家a brilliant color 鲜艳的颜色6. escape (run away)①vt. 逃脱escape deathescape doing sth. 逃脱做某事他逃过了惩罚。

He escape punishment/being punished.②n. 逃脱narrow escape 九死一生They had three escapes from the prison this year.越狱事件7. alive adj. 活着的alive 做定语时一定要放在被修饰词后面, 属于表语形容词，做后置定语Every man alive has his/her own troubles.live adj. 现场的，活着的（不和人连用）现场演唱会live concertliving things /people （不和人连用）make a livingwax a car 给汽车打蜡四、课文精讲1. Haroun Tazieff, the Polish scientist, has spent his lifetime studying active volcanoes and deep caves in all parts of the world.spend some time (in) doing sth.She spends too much time (in) dressing herself.她花了太多的时间打扮自己lifetime n. 毕生精力spend one’s lifetime in…in all parts of the world2.In 1948, he went to Lake Kivu in the Congo to observe a new volcano which he later named Kituro.observe (notice, see, look at, watch, read)1）v. 观察，观测，注意看注意看我怎样做(这件事)Observe how I do this [how to do this].2）v. 遵守<规则等> ( obey)observe the traffic regulations3.Tazieff was able to set up his camp very close to the volcano while it was erupting violently.set up 竖立，架起；创立，建立他们竖起一些石头当界碑。

They set up some stones as land marks．在他17岁的时候就创立了一家公司。

He set up a company when he was only 17 .close to 离……很近，与……靠近He parked the car close to the river. (near)Don’t sit so close to the fire.4.Though he managed to take a number of brilliant photographs, he could not stay near the volcano for very long.manage to do sth 设法做成某事a number of /a great many /a lot of 大量的She bought a number of eggs at the store.我可以给你举出很多理由I can give you a number of reasons.for long＝for a long time5.He noticed that a river of liquid rock was coming towards him.notice that + 宾语从句注意到……When he took off his hat, I noticed that he was very bald.notice /see/hear /watch sb. do/doing sth.注意到某人正在做某事我发觉一个陌生男人正向我走来。

I noticed a strange man going towards me.a river of………形成的河流a river of soil and stone泥石流在二战中，血流成河。

Rivers of blood flowed during World war II.当她听说了这个消息，眼泪如河水般从她脸上流下。

When she heard the news, a river of tears came down her face.6.It threatened to surround him completely, but Tazieff managed to escape just in time.threaten to 威胁着要……，有迹象表明……他扬言要离开这个队。

He threatened to leave the team.天有下雨之势It threatens to rain.in time 及时，来得及on time; at times我正好赶上了车。

I caught the train just in time.医生及时前来挽救他的生命。

The doctor came in time to save his life．7.He waited until the volcano became quiet and he was able to return two days later. This time, he managed to climb into the mouth of Kituro so that he could take photographs and measure temperatures.manage to do sth. 设法做到某事，努力完成某事（虽然很费劲，但仍然做到/完成某事）try to do sth. 设法做某事，努力做某事（但并不一定成功）so that 以便于(目的状语从句),一定含有情态动词拿近一些，好让我看得更清楚些。

Bring it nearer so that I may see it better．他把钱积蓄起来，以便暑期能出国度假。

He saved his money so that he might go abroad in his summer holiday．8. Tazieff has often risked his life in this way. He has been able to tell us more about active volcanoes than any man alive.risk one’s life 冒着生命危险她冒着生命危险来帮助一个残疾人She risked her own life to help a disabled man.take a risk of…冒着……的危险冒着被杀害的危险,他仍然什么也没有说。

Take the risk of being killed, he still didn’t say anything.risk doing sth. 冒着危险做……你把这个给Ken看太冒险了。