Unit 2 Fit for life语言点学习目标重点词汇beneficial, possess, vital, potential, note, astonish, unable, effective,approval // accelerate, mass, applaud, swell, sharp重点短语try out, in large quantities, due to, wear sb. out, let out, be addicted to,subscribe to重点句型not only…but also知识讲解重点词汇beneficial【原句回放】Both of these medicines have saved millions of people’s lives and have proved beneficial to mankind since they were invented. 自这两种药被发明以来，它们已经挽救了数百万人的性命，并已证实对人类有益点拨】beneficial adj. 有用的；有益的常用搭配：be beneficial to 对……有益The agreement will be beneficial to both parties.这个协议对双方都有利。
A good diet is beneficial to health.良好的饮食有益于健康拓展】benefit v．有益，获益n. 利益常用搭配：benefit sb. 对某人有益benefit from 从……中获益be of benefit to sb. 对……有益Both sides have benefited from the talks.双方都从会谈中受益I hope what I have written will be of benefit to someone else who may feel the same way.我希望我写的这些将对有同感的人有所帮助possess【原句回放】Nearly 3,500 years ago，people chewed on leaves or drank a kind of tea made from leaves possessing a special chemical to reduce body pains and fever. 将近3500年前，人们咀嚼一种含有特殊化学物质的树叶或饮用这种树叶制成的茶，以减轻身体疼痛或退烧。
点拨】possess vt. 拥有，具有；支配，控制 (多用于被动语态)常用搭配：be possessed by/with 被……控制be possessed of 拥有(某种品质、能力等)The country possesses rich resources.这个国家拥有丰富的资源I’m afraid he doesn’t possess a sense of humour.恐怕他没有什么幽默感She was suddenly possessed by fear.她突然感到害怕拓展】possession n. [C]所有物；财产（常用复数） [U]具有；拥有常用搭配：in possession of sth. 占有(或拥有)某物in the possession of sb. 为某人所有take possession of 占有，拥有；占领He was caught in possession of stolen goods.他因占有赃物而被捕vital【原句回放】Not only has aspirin proved vital for reducing fever and helping stop pain，but there are also other things that aspirin can help with. 阿司匹林不仅被证明对于退烧和止痛必不可少，而且还有其他用途。
点拨】vital adj. 生命的，维持生命必需的；必不可少的，极其重要的This point is vital to my argument.这一点对我的论证极为重要The heart is one of the body’s vital organs.心脏是人体的重要器官之一The question put forward at the meeting is of vital importance.会上提出的那些问题极其重要potential【原句回放】Laurence Craven, a doctor from the USA, introduced that the idea in 1953 that aspirin had the potential to reduce the risk of heart attacks, because it helped the blood circulate better. 美国医生劳伦斯克雷文在1953年提出一个观点，即阿司匹林可能有助于降低心脏病发作的风险，因为它能改善血液循环点拨】potential adj. 潜在的,可能的 （无比较级）n. 潜力，潜能，可能性，潜在性potential danger/resource/ customers 潜在的危险/ 资源/ 顾客She was the first to realize the potential danger of their situation.她是第一个意识到他们面对的形势的潜在危险。
He is a writer with great potential.他是个有潜力的作家拓展】potentially adv. 潜在地potentiality n. 潜力，潜在的可能性note【原句回放】He noted that mould had grown on a special transparent jelly that had bacteria on it.他注意到带有细菌的一种特殊的透明的果冻上长起了霉点拨】note vt. 注意，提到，记住，记下 n． 笔记；草稿；注释；便条；纸币；钞票常用搭配：note down记下，记录note + sth. / that (从句) 注意……make/take a note of 记下，记笔记take note of 注意,留意compare notes with sb. 与某人交换意见of note 著名的, 重要的I could feel a lot of paper notes and I pulled them out.我感觉里面有很多钱，便把它们拿了出来He handed me a note. 他递给我一张便条。
The museum contains nothing of great note.这家博物馆没有什么很有价值的东西When you search for information on the Internet, you’d better note its sources.当你在网上搜索信息时，你最好注意信息的来源Please take note of what you have noted down and then compare notes with your partner.请注意你们已经记下的东西，之后与你的同伴交流意见拓展】noted adj. 著名的, 知名的astonish【原句回放】It astonished him to see the bacteria surrounding the mould dead，which meant that the mould had killed them. 使他十分惊讶的是，他看到这种霉周围的细菌都死了，这意味着是这种霉杀死了它们点拨】astonish vt. 使惊讶，使惊骇常用搭配：be astonished at/ by sth./ to do sth. 被/因……惊吓；看到……大为吃惊Her father’s sudden death astonished her.父亲的突然去世使她大为震惊。
It astonished everyone that he passed the English test.他通过了英语考试，这使每个人都感到惊奇万分拓展】astonished adj. 惊讶的(表示人的感觉)astonishing adj. 令人惊讶的(表示事物的性质)astonishment n. 吃惊，惊讶to one’s astonishment 使某人吃惊的是I’m astonished that he didn’t pass the exam.他考试不及格，这使我感到很惊讶There were an astonishing number of applicants for the job. 申请这份工作的人数多得惊人unable【原句回放】First, he was unable to find a procedure to make penicillin pure enough to work as a medicine. 开始的时候，他不能找到让盘尼西林纯得可作为药物的程序点拨】unable adj. 不能，不会The street was so crowded that cars were unable to pass.街道十分拥挤,汽车无法通行。
Unable to find the book in this bookstore, he bought elsewhere.这家书店找不到此书，他到别处买去了拓展】able adj. 能干的，有才能的 enable vt. 使能够常用搭配：be able to do sth. 能够做某事Free will makes us able to choose our way of life.自由的意志使我们可以选择自己的生活方式Only teamwork will enable us to get the job done on time.只有合作，我们才能按时完成这项工作effective【原句回放】…it was difficult to produce penicillin in the ample quantities needed to be effective. ……很难生产大量的有效的盘尼西林点拨】effective adj. 有效的，生效的These measures were effective in helping the patient recover.这些措施能有效地帮助那位病人康复。
The President’s speech was an effective apology for his foreign policy.总统的演说是对其外交政策的有力辩护拓展】effect n. 结果，作用，效力，影响Her criticisms had a gre。