高二英语选修6课件5-1.ppt

1erupt (v.) (1)(火山)爆发；(岩浆、烟等)喷出 An active volcano 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 eruption, 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_. Acrack Bbreak Cerupt 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 Brush Cpour 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；(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】 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 palace，_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 done 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 want 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 however 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 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 BWhatever CNo 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 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 cost Chowever 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 matte