高中英语Unit22EnvironmentalProtectionSectionⅡWarmup&Lesson1Languagepoints课件北师大版选修8.pptx

Section Warmup & Lesson 1Language points课前自主预习.重点单词基础单词1substituteAto prevent someone from escaping from a dangerous place2threaten Ba moral rule or set of ideas which makes you behave in a particular way3recycleCto refuse to buy something，use something，or take part in something as a way of protesting4advocateDconnected with the subject or problem being discussed or considered答案：1.J2.I3.H4.G5.F6.E7.D8.C9.B10.A拓展单词11_ n保护区；v.保留，预约reservation n保留，存疑12_ n农业agricultural adj.农业的13_ vt.威胁threat n威胁，恫吓threatening adj.恐吓的，威胁的14_ n生态ecologist n生态学家ecological adj.生态的15_ n保护conserve vt.保护16_ adj.植物的botany n植物学reserveagriculturethreatenecologyconservationbotanical.重点短语1_一些2_ 超出的控制；不受的控制3_ 展望未来4_ 指，意即；提及；参考5_ 依次，轮流；反过来6_ 引起，导致7_ 采取行动8_ 在前面a number ofbeyond ones controllook aheadrefer to in turnlead totake actionahead of.重点句型1教材原句：The amount of carbon dioxide in the atmosphere has risen by more than 30% in the last 250 years with half of this increase occurring since 1960.在过去的250年里，大气中的二氧化碳含量已经增加了30%以上，而其中的一半是在1960年以后增加的。

佳句诵读：他躺在草地上，仰望天空He lay on the grass_.with his eyes looking at the sky 2教材原句：Without these naturally occurring gases，the suns rays would bounce back into space leaving the Earth cold and impossible to live on.如果没有这些自然产生的气体，太阳光线将被反射回太空中，那么地球将处于寒冷之中，生命也就不可能在地球上存在佳句诵读：没有电子计算机，今天很多先进的科技就不会取得成功Without electronic computers，much of todays advanced technology_.你刷牙时别让 水一直流Dont_while you brush your teeth.would not have been achieved leave the water running 3教材原句：Given this data，it seems that the link between human activities and rising global temperatures is not merely a coincidence.考虑到这一数据，似乎人类活动同不断上升的全球气温之间的关系并不仅仅只是一个巧合而已。

佳句诵读：考虑到时间很紧，我认为他们已经做得不错了I think theyve done a good job.Given that there was so little time 课内研析探究trap v把困在，使陷入，诱骗；储存；n.陷阱，困境，夹子(教材P5)Because of the greenhouse effect，the Earth is warmed by gases trapped in the atmosphere.由于温室效应，滞留在大气层的气体使地球变暖1)trap sb.into (doing) sth.使某人陷入(做)某事的圈套be/get trapped in 被困在中(2)fall into the trap of doing sth.落入的圈套set/lay a trap for 为设圈套 She trapped him into admitting that he liked her.她诱使他承认他喜欢她I hear that she is trapped in an unhappy marriage.我听说她陷入不幸的婚姻之中Its easy to fall into a trap，but hard to get out again.谚语堕入陷阱易，脱离陷阱难。

He set a trap for her and she walked straight into it.他给她设下圈套，她就径直钻了进去a number of一些；许多；大量(教材P5)Jim，at the moment，youre working in the botanical gardens to save a number of endangered birds.吉姆，现在你正在植物园从事拯救濒危鸟类的工作A number of ordinary people attend the meeting and express their voice.许多普通人参加了这次会议并表达了他们的心声A large/great number of children were playing in the park when the shooting incident happened.当枪击事件发生时，许多孩子正在公园里玩Now a great number of college graduates are seeking to get a highpaid job.But the number of posts available for them is often not enough.如今很多大学毕业生努力想找一份待遇好的工作，但适合他们的岗位的数量却经常不足。

a number of许多修饰可数名词复数或代词，谓语动词 用复数the number of的数目，修饰可数名词复数，谓语动词 用单数beyond prep.超出(教材P6)In the last few decades，scientists have reached consensus and reported that human beings are causing changes in the Earths climatesomething previously seen as beyond our control.最近几十年，科学家们一致认为，人类正在引起地球的气候变化而这在以前看来是我们不能控制的beyond belief 难以置信beyond control 无法控制beyond ones power 是某人力所不及的beyond expression/description 无法表达/形容It is beyond me. 口我能力所不及；我不能理解 I am afraid it is beyond my power to do what you are asking.我恐怕无力做你要求做的事。

He is such a naughty boy and is beyond my contrrol.他是这么顽皮的孩子以至于我实在无法管教 (牛津P176)Our success was far beyond what we thought possible.我们的成功远远超出了我们估计的范围look ahead展望未来；向前看(教材P6)Looking ahead，scientists believe that global warming could be one of the biggest environmental problems facing the 21st century.展望未来，科学家们认为 全球变暖可能是21世纪所面临的最严重的环境问题之一look into调查，审查look through 浏览look forward to 盼望；期待look up to sb. 尊敬某人look down upon. 轻视；瞧不起 Look ahead and you will see a happy future.向前看，你会看到美好的未来Have you looked ahead to your future?你为你的将来做过打算吗？She looked through her notes before the exam.她考试前匆匆看了一下笔记。

The police are looking into the cause of the accident.警方正在调查这 起事故的起因refer to(教材P6)Global warming refers to an average increase in the Earths temperature that，in turn，leads to climate change.全球变暖指的是地球温度平均升高，并由此导致气候发生变化1)refer to.as.把当作refer.to. 把提交给；让查询(2)reference n. 参考；查阅a reference book 参考书 Dont refer to the matter again.不要再提这件事了Refer to the dictionary when you dont know how to spell a word.当你不知道怎么拼写一个单词时 ，查阅一下词典Johnson referred to the discovery as a major breakthrough in medical science.约翰逊称这项发现 是医学领域的一个重大突破。

in turn依次，轮流；转而；反过来It is ones turn to do sth.轮到某人做某事take turns to do/(in) doing sth. 轮流做某事by turns 轮流地，依次地The students clean their classroom every day in turn.学生们每天轮流打扫他们的教室Theory is based on practice and in turn serves practice.名言理论的基础是实践，反过来又服务于实践Its your turn to clean the classroom today.今天轮到你打扫教室了lead to引起；导致；通向(to为介词)lead sb.to sth.使某人得出(观点等)lead sb.to sp. 领某人去某地lead sb.to do sth. 导致某人做某事 Her poor French often leads to misunderstandings when she visits France.她的法语很差劲，因此她访问法国时常引起误会As we all know，all roads lead to Rome.谚语条条大道通罗马。

What led you to 。