必修二Unit4方案策划.pptVIP

Unit 4　Wildlife protection ——保护野生动植物;[短语精释] 1. die out　灭亡;逐渐消失 (教材P25)As a result these endangered animals may even die out.　结果,这些濒危动物甚至可能会消亡。 归纳拓展 (1)die away　(声音;光线等)逐渐消失 die of/from 因……而死 die down 减弱;平息 die off 相继死亡 (2)be dying for 很想要;渴望 be dying to do sth. 极想干某事;①(牛津P552)This species has nearly died out because its habitat is being destroyed. 因栖息地正受到破坏,这一物种已濒于灭绝。 ②Tigers of this kind are dying off, and they will die out in time.这种老虎正在一个一个死去,他们迟早会灭绝的。 ③The rain remained steady though the wind had died down.尽管风势已经减弱,雨还是下个不停。 ④After walking in the desert for such a long time,he was dying for a drink. 在沙漠里走了很长时间,他非常想喝水。;2. come into being　形成;产生 (教材P30)They lived on the earth tens of millions of years ago,long before humans came into being and their future seemed secure at that time. 它们生活在千百万年前的地球上,比人类诞生早得多,而且那时它们的未来看似很安全。 归纳拓展 come into power　　　当权 come into effect 生效 come into action 开始行动 come into office 就职 come into sight 看得见 come into use 开始使用;①No one knows when such a custom came into being. 没人知道这种风俗是什么时候开始形成的。 ②We don’t exactly know when the law came into effect. 我们不确定这个法律是何时生效的。 ③It was an event worth celebrating when our Party came into power. 我们党成为执政党,这是一件值得庆祝的事情。 【温馨提示】　come into being是不及物动词短语,无被动形式,无进行时。;3. protect...from/against...　 保护……不受……(危害) (2012·高考安徽卷·阅读理解B)Greek people often wear a blue necklace hoping to protect themselves against evils (灾祸)．　希腊人常戴着蓝色的项链,希望避免灾祸。;①Something must be done to protect the environment from being polluted.必须采取措施保护环境免受污染。 ②If a solution to protecting the rivers against pollution is found, then our living surroundings will be improved. 如果一个保护河流免受污染的方案被找到,那么我们的生活环境将得到改善。 ③I think the government should stop/keep/prevent people from driving cars on certain days. 我认为政府应该禁止人们在某些日子开车。;4.pay attention to　注意,留意 (教材P26)You should pay more attention to the rainforest where I live and appreciate how the animals live together. 你应该多关注我居住的雨林并欣赏一下动物们是如何在一起生活的。 归纳拓展 draw/attract/catch one’s attention引起某人的注意 turn one’s attention