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1、Unit 1 The Changing WorldTopic 3 The world has changed for the better.同步素材（仁爱版九上）一、单元概述1掌握Topic 3中出现的生单词和短语。2重点句型：（1）You have been in New York for a long time.（2）The city has improved a lot since I came here a few years ago.（3）Since it started, it has helped hundreds of people return to work and liv
2、e a normal life.（4）Oh, you will get used to it if you come.（5）As a matter of fact, its a wonderful place to live.（6）Once they find people in need, they decide on suitable ways to offer them help.（7）The program also provides them with job training so that they can find jobs again.3语法：现在完成时（III）4学会用英语
3、谈论建议以及向别人讲述阅读过的东西。二、重难点知识讲解（一）重点单词和短语1block n. 街道（区）；（方形平面）大块e.g.He walked around the block several times.他绕着这个街区走了好几遍。a block of ice一大块冰拓展：block还可作动词，意为“阻止；阻塞”。e.g.Many stones blocked the drains.许多石头堵塞了排水沟。2industry n. 行业；工业e.g.The tourist trade has become a real industry.旅游业已经成为真正的产业。Broadway stan
4、ds for the American theater industry.百老汇代表美国戏剧产业。3program n. 计划，方案；节目Ce.g.What is the program for tomorrow?明天计划做什么?What is your favorite television program?你最喜爱的电视节目是什么?4manage v. 完成（困难的事）；能解决（问题）；管理；经营e.g.The shirt was very dirty, but he managed to clean it.这件衬衫很脏，但他设法把它弄干净了。（manage to do sth.表示“设法
5、完成困难的事情”）Without her help I should not have managed it.没有她的帮忙，我是办不到的。Your mother has a genius for managing such things.你母亲有管理此类事情的才能。The girl is good at managing her money.这个女孩善于理财。拓展：management n. 经营；管理manager n. 经理；管理人e.g.The failure was caused by bad management. 失败是经营不善所致。Shes a very good manager
6、.她是一个好经理。5support v. 帮助，援助；支持；支撑；维持（生活）e.g.The government has taken measures to support the people in need.政府已经采取措施帮助需要帮助的人。His family supported him in his decision.他的家人支持他的决定。Is the bridge strong enough to support heavy lorries?这座桥是否足够结实支撑重型卡车的重量？Air, food and drink are necessary to support life.空气
7、、食物、水是维持生活的必需品。6encourage v. 鼓励（encouraged, encouraging）e.g.It encouraged me.它鼓励了我。Teachers often encourage class participation.教师常鼓励学生积极参与。I encouraged her to work hard.我鼓励她用功学习。（encourage sb.（not) to do sth.鼓励某人（不）做某事）7human n. 人adj. 人的e.g.Its only human nature to want a comfortable life.想过舒适的生活不过
8、是普通人的本性。（adj.）He was the only human on the island.他是那个岛上唯一的人。（n.）（human表示“人类”，也可表示为human being）8as a matter of fact 事实上，实际上同义短语：in fact; in point of facte.g.As a matter of fact, the town was at peace.实际上市镇里是太平无事。As a matter of fact, they are worse.事实上，他们更糟。9millions of 大量；数以百万计（后接复数名词）e.g.Millions o
9、f people visit the city every year.每年数以百万计的人去这个城市游玩。This project cost us millions of dollars.这个工程花费了我们数百万美元。10on purpose 故意，有意地e.g.I came here on purpose to see you.我是特意来看你的。She broke the dish on purpose just to show her anger.她故意打破碟子以表示她的愤怒。11according to 据所说；按所报道；根据，按照e.g.According to John there w
10、ill be a meeting next week.据约翰说，下星期有个会议。According to the weather forecast, we shall have rain tomorrow.根据天气预报，明天会下雨。They divided themselves into three groups according to age.他们按年龄分成三组。注意：according to主要用来表示“根据”某学说、某书刊、某文件、某人所说等或表示“按照”某法律、某规定、某惯例、某情况等。其后一般不接 view (看法) 和 opinion (意见) 这类词，也不接表示第一人称的代词
11、(me, us)。12make a contribution to. 为作贡献（后接名词、代词）e.g.We should make a contribution to our country.我们应该为国家做贡献。The old man has made contribution to it.这位老人已经为它做出了贡献。He has made a great contribution to protecting our environment.他已经为保护环境作出了巨大贡献。（make a contribution to中to是介词，后接动词，要用动名词形式。）拓展：contribution
12、 n. 捐献；捐款contribute v. 捐献；贡献e.g.He contributed half of his savings to the relief fund.他将积蓄的一半捐献给救济基金会。（contribute sth. to/towards sth.）（二）重点句型1Well, once they find people in need, they decide on suitable ways to offer them help.一旦他们发现有人需要帮助，就决定采用适当的方式来帮助他们。（1）once 在本句中是连词，引导时间状语从句，意为“一旦就”。它的用法和if 引导
13、的条件状语从句一致，从句用现在时表将来。e.g.Once you hear the song, youll never forget it.一旦你听到这首歌，你会永远忘不了它。Once she arrives here, please ring me up.她一旦来到这儿，请打电话给我。（2）in need中的need是名词，意为“(食物、钱或生活来源的)短缺，缺乏”。e.g.The charity aims to provide help to people in need.这个慈善机构的宗旨是向贫困者提供帮助。A friend in need is a friend indeed.谚患难见
14、真情。（3）decide on sth. 决定（选定）某事 decide (not) to do sth. 决定做（不做）某事e.g.After the meeting, they decided on the best way to solve the problem.会议结束后，他们选定了解决问题的最佳途径。As there was no time left, they decided to start at once.因为没有时间了，他们决定立刻动身。（4）the(a) way to do sth./the(a) way of doing sth. 做的方法e.g.I like tryi
15、ng some new ways of doing things.我喜欢尝试一些新的做事方法。2The program also provides them with job training so that they can find jobs again. 该组织也给他们提供工作培训，以便他们能再次找到工作。（1）provide sb. with sth. = provide sth. for sb. 给某人提供某物e.g.The school is providing food for the students.学校正在为学生提供食物。= The school is providing the students with food.（2）so that在句中引导目的状语从词，意思是“以便，以至”，相当于in order to或in order that。e.g.They sta
