人教版必修二英语unit4wordsandexpressions.ppt

Unit 4 wildlife protection,words and expressions,wildlife,合成词 wild + life wild adj.野性的；狂野的 life n.生活；生命,eg . Wildlife protection is increasingly important. 保护野生动物越来越重要了。,protection n.,protect V. 保护 protect from/against 保护不受/免受的伤害 eg . The sunglasses can protect us from the burning sunlight. 类似短语 prevent/keep/stop.from 阻止.不受.伤害,threaten vi. & vt. 恐吓；威胁,adj. threatening threatened Eg. The threatened strike has been put off. 扬言要进行的罢工被取消了。 A storm is threatening. 暴风雨即将来临。 threaten to do sth. 威胁做某事 Eg. The hijackers threatened to kill one passenger every hour if their demands were not meet. 劫机者要挟说，如果他们的要求得不到满足，他们美国一小时就杀死一名乘客。,decrease vi & vt 减少；变少,常用搭配 decrease in 在方面减少 decrease to 减少到 decrease by（by表示增减幅度） 减少了 Eg. The species of birds are decreasing in numbers every year. 这种鸟儿的数量在逐年减少。 Recently the price of the house in many big cities 10%. 反义词：increase 增加；增长,decreased by,decrease n.减少的量；减少,a decrease on sth. 某物的减少；减少 on a decrease 在减少 eg. There has been a steady decrease in population in city. 城市人口在平稳减少。 Is your produation on a decrease. 你们的产量在减少么？,灭绝；灭亡 This species has nearly died out because its habitat is being destroyed. 因栖息地正在遭受破坏，这一物种已濒临灭绝。 （风俗、习惯等）逐渐消失 Many old customs have died out because they are out of data. 因为已经过时，许多旧的习俗已经逐渐消失。,die的相关短语,die away(声音、光线、风等)渐息；减弱 The wind died away at dusk. Sound of their laughter died away. die off（物种、家族、草木等）相继死去 The leaves of the trees are dying off. die down逐渐平息，变弱 The flames finally died down. be dying for sth/ to do sth Im dying for a glass of water. the die is a cast 木已成舟；事已成定局,loss n. 损失；遗失；丧失,He was determined to try his best to make up for the loss. 他下定决心尽最大努力弥补损失。 be at a loss 不知所措；困惑 make up for the loss 弥补损失 suffer a loss of 蒙受（.的）损失 be lost in 全神贯注于 lose v. 丢失；失去 -lost-lost,reserve,n. 保护区；储存；保存 This area was once a wildlife reserve. 2. vt. 预定；保留 I have reserved a table at the restaurant. This seat is reserved for you.,hunt vt.&vi. 打猎；搜捕、搜寻,hunter n. 猎人 vt. hunt tigers 猎捕老虎 vi go hunting 去打猎 Weather permitting,well go hunting this Saturday. hunt for =search for =look for hunt sp. for 为寻找.搜索某地 be on the hunt for 正在寻找 Ive hunted everywhere for my watch,but I cant find it.,in peace =peacefully,Anyhow,the goal of this organization is to let the human race live in peace and live in happiness. 总之，这个组织的目标就是让人类和平共处，生活幸福。 be at peace be at war (with) make peace with 与讲和 peace-loving adj. 热爱和平的 hold your peace/ tongue (想说却)保持沉默；缄口不语,in danger of 在危险中；垂危,If you carry on like that, youre in danger of being moved by the school. 你要是这样下去，你很快就会被学校开除的。 in danger out of danger a danger to 对有危险 With the help of the man, the little girl is out of danger.,in danger & dangerous,respond vi. 回答；响应；做出反应,respond to 回答；应答/对作出回答 respond towith 报以,回报 With th