高二新人教版英语选修6课件 UNIT 5 THE POWER OF NATURE 第1课时 WARMING UP.ppt

1、类别新课程标准所要求的项目词汇erupt，compare，alongside，appoint，evaluate，wave，absolute，suit，potential，actual，precious，unconscious，shoot，vary，appreciation，guaranteeburn to the ground，in the distance，make ones way，glance through，give birth to语法Revise the ing form(复习ing形式)1erupt(v.)(1)(火山)爆发；(岩浆、烟等)喷出An active volcano

2、may erupt at any time.活火山随时可能喷发。(2)(into sth)突然发生；爆发Violence has erupted on the streets.大街上突然发生了暴乱。(3)(in/into sth)突然发出(尤指叫喊)My neighbor erupted in anger over the noise.噪声使我的邻居勃然大怒。【知识拓展】eruption C&U 爆发A few days later,Vesuvius was in violent eruption.几天以后，维苏威火山猛烈爆发了。Signs of dangerous social erupti

3、on,actually were few.具有危险性的社会骚动迹象是很少的。【知识运用】(1)No one knows when the social volcano below modern society will_.AcrackBbreakCerupt Dpour答案：C本题题意：谁也不知道埋在现代社会下的社会火山何时爆发。erupt表示“突然发生；爆发”。(2)The wisdom of Chinese people will_like a volcano.Abreak BrushCpour Derupt答案：D本题题意：中国人的智慧就会像火山一样释放出来。erupt表示“(火山)爆发

4、；(岩浆、烟等)喷出”。2compare(v.)1)A and B|A with/to B 比较；对比It is interesting to compare their situation and/with ours.把他们的状况与我们的相比很有意思。2)with/to sb/sth 与类似(或相似)This school compares with the best in the country.这所学校可与全国最好的学校媲美。3)A to B 表明与相似；将比作A teachers work is often compared to a candle.教师的工作常被比作蜡烛。【知识拓展】

5、1)compare notes(with sb)(与)交换看法(或意见等)He is now comparing notes with his coworkers about the job.他现在就工作问题与同事交换意见。2)beyond/without/past compare 无与伦比；举世无双She is lovely beyond compare.她真是可爱得无与伦比。3)compared to/with 与相比(在句中担任状语)Compared with/to our parents,we are indeed very fortunate.与我们的父辈相比，我们确实很幸运。【词语

6、辨析】compare,contrast这两个动词均含“比较”之意。1)compare侧重比较两个或更多东西的异同优劣，强调相同或类似之处。Compare this with that,and you will see which is better.将这个与那个比较一下，你就会知道哪个比较好了。2)contrast指比较两个或更多东西之间的差异，侧重不同点。Her actions contrasted sharply with her promises.她的行动与她的诺言有天壤之别。【知识运用】(1)(2009重庆 25)Michaels new house is like a huge pa

7、lace，_with his old one.Acomparing Bcompares Cto compare Dcompared答案：D本题题意：与旧房子相比，迈克尔的新房子看起来就像一座大宫殿。compared to/with表示“与相比，”在句中担任状语。(2)I_the copy with the original,but there was not much difference.Amatched Bcompared Cmet Dmeasured答案：B本题题意：我比较了复印件和原件，但是差别不是很大。compare表示“比较；对比”。(3)She shouldnt have don

8、e that sort of thing.Whatever she did was reasonable，_to what you had done.Besides,its none of your business.Get down to_your work.Acomparing;doing Bcomparing;do Ccompared;doing Dcompared;do答案：C本题题意：“她本来不应该做那类事情。”“与你的所作所为相比，她无论干什么都是合理的。”“这件事与你无关。开始工作吧。”compared to/with表示“与相比”，在句中担任状语。此外，get down to表

9、示“开始做某事；开始认真注意(或对待)某事”，to为介词，后接名词或动名词担任宾语。Yet,however weak we are,we are not completely powerless.然而，无论我们的力量有多弱小，我们却并非完全脆弱无力。【知识剖析】however在本句中，表示“无论到什么程度，不管多么”，与形容词或副词连用，引导让步状语从句。例如：She leaves her bedroom window open,however cold it is.无论天气多么冷，她都敞着卧室的窗户。However long a vacation is,I always feel I wan

10、t a few days more.无论假期有多长，我总觉得想再多几天休息休息。He will never pass the examinations,however hard he works.无论他怎样努力，他永远无法通过考试。However tired you may be,you must do it today.不管怎样累，你也得今天做。【知识拓展】however的其他用法：1)(conj.)不管怎样；无论如何However I cook eggs,the child still refuses to eat them.不管我用什么方法煮鸡蛋，小孩还是不肯吃。Dress howeve

11、r you like.你喜欢怎么穿就怎么穿。2)(adv.)然而；不过；仍然Id like to go with you;however,my hands are full.我很想和你一块儿去，可是我忙不过来。He said that it was so;he was mistaken,however.他说事情就是那样，不过他错了。However,I will do it in my own way.可是，我将照我的方式去做。3)(用以强调疑问词 how)(口语)到底究竟 如何However did you manage it?这件事你究竟如何处理的？(表惊讶)However did you

12、go yourself?你一个人究竟是怎么去的？(表感动)【知识运用】(1)(2008上 海 40)_well prepared you are,you still need a lot of luck in mountain climbing.AHowever BWhateverCNo matter DAlthough答案：A本题题意：在登山运动中，无论你准备得多充分，你仍然需要大量的运气。however与形容词或副词连用，表示“无论到什么程度；不管多么”，引导让步状语从句，相当于no matter how.(2)(2008辽宁28)_hungry I am,I never seem to

13、be able to finish off this loaf of bread.AWhatever BWhenever CWherever DHowever答案：D本题题意：无论我饿得多厉害，我似乎从来没有吃完过一个大面包。however后接形容词或副词，引导让步状语从句。(3)(2006陕西20)This is a very interesting book.Ill buy it，_.Ahow much may it cost Bno matter how it may costChowever much it may cost Dhow may it cost答案：C本题题意：这是一本非常有趣的书。无论花多少钱，我都要买。本题考查“however形容词或副词”引导让步状语从句的用法。选项B可以修改为：no matter how much it may cost.(4)We have not yet won；_，we shall try again.Athen Binstant Chowever Dbut 答案：C本题题意：我们还没有取胜，不过我们还要再试一下。however 和but都表示转折关系；但however为连接性副词，用在句中时其前后通常都有标点符号“逗号”存在；或者是前面有分号，后面用逗号。