人教版高中英语必修二：Unit 4 Wildlife protection Words and expressions课件（共40张PPT）

课件40张PPT。Unit 4 Wildlife ProtectionPeriod 1 Words and expressionsAims:1．Ability aims: 1). Master the floowing words and expressions. wild; decrease; hunt; reserve; danger; respond; mercy; certain; importance; contain; afftect; appreciate; succeed; 2). To Know about the following phrases: die out; in peace; in relief; burst into laughter; pay attention to ; 2. Knowledge aims 1). wild; decrease; hunt; reserve; danger; respond; mercy; certain; importance; contain; afftect; appreciate; succeed; die out; in peace; in relief; burst into laughter; pay attention to. 2). Students can remenber the above words and their derivatives.protection wild decrease loss reserve hunt zonen. 保护 adj. 野生的；野的；未开发的 vi. &vt. 减少；(使)变小；变少 n. 损失；遗失；丧失 n. 保护区 vt.&vi. 打猎；猎取；搜寻 n. 地狱；地带；地区respond distant relief mercy certain importance rub vi. 回答；响应；作出反应 adj. 远的；远处的 n. (痛苦或忧患的）减轻或解除，减轻痛苦的事物。 n. 仁慈；宽恕；怜悯 adj. 确定的；某一；一定 n. 重要（性） vt. 擦；摩擦die out set up in peace in danger (of) turn around in relief a number of灭亡；逐渐消失 建立 和平地；和睦地；安详地 在危险中；垂危 转身 如释重负；松了口气 一些1. wild adj. 野生的；未驯化的；疯狂的；荒凉的；狂暴的 e.g. wild flowers / a wild rabbit wildlife n. (不可数) 野生动植物 e.g. a wildlife park She is totally wild about him. 她对他简直着了迷。beyond one’s wildest dreams 做梦都没想到；远远出乎所料 run wild 变得荒芜；（儿童）肆无忌惮 wildly adv. 失控地；极其；非常2.decrease v. 减少，(使)变小或变少 n.减少 减少的数量 （可数）1. The newspaper has decreased in size, but not in quality. 2. The number of new students decreased from 1,200 to 900 this year. 3. The price of wheat has decreased by 15%. 4. The population of this village has decreased to 900. decrease in 在……方面减少 from… to … 从…减少到… by 减少了…… to 减少到……There has been a steady decrease in population in our city. increase vt. &vi. (使)增加； (使)增大 decreasing adj. 减少中的；在递减的 on the decrease 在减少中3. die out : disappear completely 灭绝_____have died out long before.Dinosaurs / dodosHe hid behind the door until the footsteps had died away.die away: (光、声音)慢慢消失；（风）停下来The wind died away, and the leaves became silent.die off : 一一死去；先后死去The members of the family had all died off for no reason.die from die of 一般指除了疾病，情感，饥寒以外的原因而造成的死亡，指死于外因。常指由于疾病，情感，饥寒等原因而造成的死亡，指死于内因。He died from drinking/smoking/overwork. His father died of cold and hunger before liberation. 辨析相关短语： be dying for/to do sth.渴望、极想做某事 选用上述短语填空 (1)Many old customs are gradually _____. (2)My grandfather _____ a heart attack. (3)I’m _____ a cup of coffee. (4)This species has nearly _____ because its habitat is being destroyed. (5)He hid behind the door until the footsteps_____. (6)The excitement_____. (7)As she got older, her relatives _____ dying outdied of dying for died out died awaydied ... ...