Book6 Unit5 The Power of Nature.doc

Book6 Unit5 The Power of Nature目标认知重点词汇：erupt, evaluate, absolute, make ones way, impress, cancel, panic, vary,guarantee 重点句型：adj. / adv. + enough to do 语法：ing 形式作状语精讲巧练重点词汇erupt【原句回放】Look at the diagram on the right. It shows a volcano erupting. (P33) 【点拨】erupt vt.vi. to burst forth suddenly and violently, such as steam, water, and volcanic material 表示“ 喷出,爆发” erupt into 表示“爆发，发出”相当于burst into。如：Violence erupted after the football match.The wisdom of Chinese people will erupt like a volcano.【拓展】eruption n. 爆发, 火山灰The volcano burst into eruption with great rumbling.That resulted in the eruption of the crisis in Asia.evaluate【原句回放】Having collected and evaluated the information, I help other scientists to predict where lava from the volcano will flow next and how fast it will flow. (P34) 【点拨】evaluate vt. to judge or assess the worth of; appraise 表示“估价；评价”， 其名词 evaluation 表示“估价；评价”。如：The research project has only been under way for three months, so its too early to evaluate its success.The performance of each employee is evaluated once a year. It is very important to pay more attention to the evaluation of the milk powders quality.No one is satisfied with the result of the evaluation because it is unfair. 【拓展】注意区别：estimate和evaluateestimate指“根据个人的知识、经验或认识而提前形成的看法或判断, 并强调其估计的结果不一定是正确的。”如：I estimated his age at 40. 我估计他的年龄是四十岁。而evaluate 指强调“通过仔细的考察对能力、成就或等级进行判断、评估、鉴定。”如:Lets evaluate the evidence. 让我们评定一下此证据的价值。absolute【原句回放】It was an absolutely fantastic sight. (P34) 【点拨】absolute adj. complete; perfect, used for emphasizing an opinion , feeling or statement 表示“绝对的， 完全的”，常用来修饰名词，但没有比较级。如：The way they have been treated is an absolute disgrace.I have absolute confidence in her. 【拓展】absolutely adv. 表示“完全地； 绝对地”，absolutely not 表示“绝对不”如：Its absolutely impossible.They have absolutely no idea how this happened. make ones way【原句回放】It wasnt very easy to walk in these suits, but we slowly made our way to the edge of the crater and (P35)【点拨】make ones way： to go slowly or steadily to a place 表示“排除困难前进，向前”。如：Thousands of refugees are making their way across the border.At the end of the book, Betty sets off to make her way in the world. 【拓展】与way相关的短语： feel ones way谨慎小心地进行；fight ones way奋斗前进；force/push ones way 挤(出去), 冲(出去) ；lose ones way迷路, 迷失方向 impress【原句回放】What does the writer find impressive about volcanoes even after studying them for 20 years? (P35) 【点拨】impress vt. to make an impression on; have a strong and lasting effect on表示“使（人）敬佩；使留下深刻印象”。如：What impressed me was their ability to deal with any problem.常用短语：impress sth. on sb. “使某人铭记某事物；使某人明白某事物的重要性”They impressed on us the need to keep the project completely secret.上面这个句子也可以变成被动。The need to keep the project completely secret was impressed on us (by them).impressed 不仅仅是动词impress的过去式和过去分词，它本身也可以作形容词“钦佩的；印象深刻的”，这时常和介词with,by相连。I was very impressed by /with the efficiency of the staff.【拓展】impression n. 表示“印象，感觉”make/create an impression on sb. 给某人留下印象first impressions第一印象如： As a serious candidate, you want to make a good impression on everyone you meet.作为一个认真的候选人，你得给你见到的每个人留下良好的印象。cancel【原句回放】Marie had felt ill all day. She cancelled her appointment with her friends. (P37) 【点拨】cancel vt. to say sth. that has been arranged will not now happen 表示“ 取消；宣称无效”，其过去式和过去分词为cancelled.如：I cancelled many unnecessary words in my manuscript. Many companies cancelled their order because of the poor quality. 词 组：cancel out 抵消 【拓展】 cancellation n. “删除, 勾销, 取消”短 语 make the cancellation 如：The editor made the cancellation of the faulty passage. Can you tell me the cancellation number? panic【原句回放】I had to force myself not to panic. (P38) 【点拨】panic vt. be overcome by a sudden fear表示“使恐慌；使惊慌”， panic sb. into doing sth “使某人恐慌做某事”如：The students panicked when told that final exams were less than a week away.The banks were panicked into selling dollars.【拓展】panic 也用作名词，表示“恐慌，惊慌失措”in panic 惊慌如：The panic pulled stock prices down.When the theater caught fire, there was a panic. vary【原句回放】The height of the land varies from 700 meters above sea level to over 2,000 meters and (P39) 【点 拨】vary vt. to be different in different situations 表示“改变; 变化”，vary from to 从到不等; vary with 随而变化如：The weather varies from day to day. Fees vary with the size of the job. 【拓 展】various adj. 表示“各种各样的”；variety n. 表示“种类，花样”如：There are various colors to choose from. The shopping centre sells a variety of goods. guarantee【原句回放】, dont forget to drop a coin into the clear, blue water to guarantee your love will be as deep and lasting as the lake itself. (P39) 【点拨】guarantee vt. to make it certain that sth. will happen or exist 表示“担保；保证；允诺”，be guaranteed to do sth. 保证做某事；guarantee sb. sth. 确保某人某事；guarantee that+句子 “确保”。如：The government provides help for small businesses, but it cant guarantee their success. 政府向小企业提供帮助，但不能保证它们一定成功。People cant be guaranteed to do the right things.人们不能保证一定做正确的事情。This win guaranteed them a place in the final.这场胜利确保他们能够进入决赛。We cant guarantee that you are going to get the cheapest fare.我们不能保证你能得到最低票价。 【拓 展】guarantee n. 表示“担保；保证(书)”如：The new television had a guarantee with it. Blue skies are not always a guarantee of fine weather. under guarantee在保修期内My watch is still under guarantee, so they will repair it for free.adj. / adv. + enough to do【原句回放1】The day after this eruption I was lucky enough to have a much closer look at it. (P34 ) 【原句回放2】If you are lucky enough to visit the Lake of Heaven with your loved one, dont forget to drop a coin into the clear, (P39) 【点拨】 enough作副词用时，意为“充分地；足够地”，通常要把它放在所修饰的形容词、副词或动词的后面，常与不定式或介词for连用。enough作形容词，意为