62新概念英语第二册_第62课PPT课件

1、volcano(火山火山)sandstorm (沙尘暴沙尘暴)第1页/共35页drought(旱灾旱灾)tsunami (海啸海啸)typhoon（台风）fire(火灾）火灾）第2页/共35页Earthquake of Tangshan in China in 1976The cracks cut across the roads .The buildings fell down .第3页/共35页Many things were destroyed, such as bridgerailwaybuildings第4页/共35页What do you think may happen befo

2、re an earthquake?Bright lights in the skyChickens are flying and dogs are barking, ,and Pigs and cows are too nervous to eat.Fish jump out the pond, and mice run wildly out of the fields.The well has deep cracks in it , and the water in it rises and falls.第5页/共35页control spray floodsmoke quantity au

3、thoritydesolate root grass-seed threaten century destruction surrounding patch blackenKey words expressions第6页/共35页control n. 控制 be in control of sth. 指挥，管理或控制 Who is in control of the plan? be under control 在控制之中 The fire has been under control. 火势已受到控制。 Dont worry, everything is under control. be

4、out of control 失控 The fire was out of control.大火失去了控制。 v. 控制 I can control it. = I can manage it. 我能对付(口语) 第7页/共35页smoke n. 烟（雾） full of smoke 充满烟雾 have a smoke 抽一只烟 smoker n. 抽烟的人 heavy smoker 烟瘾重的人 nonsmoker 不抽烟的人 v. 吸烟 Dont smoke! = No smoking! smoking area / room 吸烟室 adj. smokey 多烟的第8页/共35页desol

5、ate adj. 荒凉的 与地方相连，表示无人居住，荒芜人烟的 与人相连，表示孤独的 a desolate house 废屋第9页/共35页threaten v. 威胁 threaten sb. with sth. 以来威胁/恐吓某人 The thief threatened him with a knife.有预兆 Its threatening to rain. 天可能要下雨。第10页/共35页surrounding adj. 周围的 the surrounding country 近郊 surround v. 围绕，包围 I live in an old town which is su

6、rrounded by beautiful woods.第11页/共35页destruction n. 破坏, 毁灭 The fire caused the destruction of my books. 引起毁坏的原因 destructive adj. 破坏性的 destroy v. 破坏 第12页/共35页flood/floodsn. 洪水, 水灾 a flood of tears 泪如泉涌v. 淹没 The room is flooded with water.flood control 防洪 第13页/共35页 grass-seed 草籽 seed 种子 grassland 草地sp

7、ray sprei n. 喷雾器；水沫 vt. 喷射 spray sth. over/on 往上喷洒 spray water over/on flower authority n. 权威；权力；当局 forest authority 林业局第14页/共35页quantity n. （数）量 quantities of 大量的 =in large quantity 大量 少量 quality kwlti n. 质量 sth. with good quality 具有好质量的东西 small第15页/共35页root ru:t, rut n. 根，根茎 the root of a tree 树根

8、n. 本质;根源 the root of the problem 问题根源 take root 生根 century n. 世纪；百年 at the turn of the century 在世纪之交 the twentieth century the 21st century 第16页/共35页patch n. (平面上的)一片, 补丁(本意) pants full of patches a patch of 一小片 patches of 许多片 v. 修补 patch the roof 第17页/共35页blacken v. 使变黑，发暗 The smoke has blackened t

9、he walls. 烟把墙熏黑了。 诽谤 形容词+en后缀为动词，译为“使变得” weak 虚弱的 - weaken v. 使变弱 widen whiten darken.第18页/共35页Special difficulties 1、control and check (1)control 表示“指挥”、“控制”、“管理”等， The Sawyers control this firm.（2）check 表示检查“、”查看“ They are going to check our passports. 第19页/共35页2.great and big, 它们都有大的意思，但great通常表示

10、重要性，“伟大的”、“重大的”、重要的“等含义，big表示体积、规模等方面的”大“。 Frank has just made a great decision. 弗兰克刚作出一项重大的决定。 Your house is bigger than mine 你家的房子比我家的大。第20页/共35页3.、soil and groundsoil 主要指“土”、”土地“、”土壤”（能让植物生长的）Heavy rain will wash away the soil from desolate hills.大雨将把泥土从荒凉的山丘上冲走。Ground 表示”地、”场地“等。He threw the cup

11、 to the ground.他把茶杯摔在地上。There is a foorball ground in our university。我们大学里有一个足球场。P286第21页/共35页Grammar1.构成: had+过去分词2.概念 它表示过去某时或某动作发生之前已经完成的动作或情况，即“过去的过去”。常用的连词有when, as soon as, (not) until, by that time, (never) before, already等。 例： After he had said goodbye to us all, Captain Alison started his j

12、ourney. he had lived in Scotland for ten years before he came to England.过去完成时 （The simple past perfect tense )第22页/共35页Grammar 一、构成：had been+现在分词二、概念1、过去完成进行时用于强调某动作在过去的过去某一段时间内一直在进行，并对过去某一时刻产生结果。与它经常连用的表示时间的词有before, for, since ,all day等. She was very tired. She had been typing letters all days. 过

13、去完成进行时（the past perfect progressive tense)第23页/共35页过去完成进行时与过去完成时的比较1、过去完成时和过去完成进行时有时可以替换使用： Dan had worked/had been working for the firm for fifteen years when I first met him. 我第一次遇到丹时，他已在该公司干了15年了。2. She had cleaned the office, so it was very tidy. 她已经打扫过办公室了，所以很整洁。 (强调结果) She had been cleaning th

14、e office, so we had to wait outside.她一直在打扫办公室，所以我们不得不在外面等着。 (强调动作一直在进行)第24页/共35页过去完成进行时与过去完成时的比较3、需要表示某个工作已经完成时，只能用过去完成时. 表示未完成正在做用完成进行时。 When I got home, I found that Jill had painted her room. 我回到家时，吉尔已经粉刷过她的房间了。（已完成） When I arrived, theyd already put the fire out. 我到达时，他们已经把火扑灭了。（不可用过去完成进行时） When

15、 I got home, I found that Jill had been painting her room. 我回到家时，看见吉尔在粉刷她的房间。（工作尚未完成） P 285第25页/共35页Text 环境保护 environmental protection保护森林 forests protectionWe have only one Earth after all.第26页/共35页Language points1、Firemen had been fighting the forest fire for nearly three weeks before they could g

16、et it under control. fight sth. 和 作斗争 get it under control 表示“使它得到控制”第27页/共35页2、A short time before, great trees had covered the countryside for miles around. a short time before 不久之前 （同义词组：a short while before, not long ago） great trees 参天大树 cover 覆盖 for miles around 方圆几英里 This is the only modern b

17、uilding for miles around. 第28页/共35页4、Winter was coming on and the hills threatened the surrounding villages with destruction, for heavy rain would not only wash away the soil but would cause serious floods as well. winter was coming on 冬季即将来临 for 因为（用于主句之后，补充说明理由）wash away 冲掉，冲走，洗掉 第29页/共35页3、Now, s

18、moke still rose up from the warm ground over the desolate hills. rise up (from) 从 升上来 smoke rise up (烟、雾)弥漫 warm ground 发热的地面第30页/共35页5、When the fire had at last been put out, the forest authorities ordered several tons of a special type of grass-seed which would grow quickly. put out 扑灭 order 定购 还可做命令，吩咐讲： order sb to do He ordered the army to circle the enemy.type of 种类 （强调与其他同类东西有明显不同的特征的种类）第31页/共35页6、By then, however, in many places the grass had already taken root. take root 表示“生根”，这个短语也可以表示某种想法等“扎根”： This type of grass takes root