【最新】仁爱版九年级英语上册Unit 2 Topic 3 Section B 精品课件
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Unit 1The Changing WorldTopic 2 Section B目标梳理1.We learn some new words:population, billion, increase, reach, luckily, policy, Russia, measure2.We learn some phrases:increase by, developing countries, developed countries, carry out, the one-child policy3.We learn some sentences:What a large population!The world has a population of 6.8 billion.So it is.重点难点梳理1.We can read numbers in English.2. We can talk about population problems.知识梳理【1】What a large population!这么多人口!population人口,人口数量。
描述人口多寡时通常用large或small.population作主语时,谓语动词用单数或复数都可以。
have/has a population of...有……人口e.g.One third of the world's population consumes/consume two thirds of the world's resources.世界上三分之一的人口消耗着全球三分之二的资源。
e.g.What's the population of China?中国的人口是多少?【2】And it is increasing by 90 million every year.而且世界人口每年增加九千万。
increase by...增加了·…,by表示增长幅度,其后常跟百分数。
Unit1 Topic3 SectionB1.出示某物给某人show sb sth=show sth to sb 带领某人参观···show sb around炫耀,卖弄show off出现,露面show up=turn up2.无家可归的人homeless people数百的hundreds of重返工作return to work3.过正常的生活live/have a normal life4.①设法做成某事(结果一定成功)manage to do sth.②尽力做某事(结果不一定成功)try to do sth.5.一旦once (引导时间状语从句)6.since(引导时间状语从句,主现从过)7.in+名词①在需要时in need②在困境中in trouble③在危险中in danger④好健康in good health⑤好心情in a good mood8.①选定某物decide on sth②决定做某事decide to do sth③做决定make a decision9.为某人提供某物offer sb sth=offer sth to sbprovide sb with sth=provide sth for sb10.医疗medical treatment11.为了,以便于so that=in order that (后都跟从句)为了做某事in order to do sth.12.自我感觉良好feel good about oneself13.为···改变change for14.在许多方面in many waysP20:1.for,since,how long 现完,延续性动词,be词组均为延续性动词非延动----延动die--be deadleave--be away (from)come--be injoin--be in/ be a member ofbuy--haveborrow--keepbegin/start--be onclose--be closedopen--be openfall ill--be illmarry--be married2.陷入困境get in trouble3.拾起;接某人pick up4.处于救援氛围中in a helpful mood5.帮助某人走出困境help sb out。