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1、人教选修四 Unit 2 Iconic AttractionsUsing language 学案第一局部基础知识过关一.词汇认知I.认知词汇知其意1 .prison n.2 .temporary n.3 .geyser n.4 .pouch n.5 .phase n.6 .trunk n.7 .session n.8 .nest n.9 .mammal n.10 .hatch vi.11 .fence n.12 .grand adj.IL拓展词汇知变形.n.分布； 分酉己； 分发一distribute vt.分酉己： 分 发：分布1 .n.发生率；重复率；（声波或电磁波振动的） 频率一什equ
2、ent ad.频繁的；常见的一frequently adv.频繁地.adj .暴力的；猛烈的；暴行一violently adv.猛烈地2 .n.生理；生物学一biological adj.生物学的；生物的； 与生物学相关的；有血亲关系的.vM比准；许可 n.（licence）许可证；一 adj.得到正式许可的.n.能力；容量一capable adj.能干的三.短语互译.少数人（或物）；一把（的量）1 .一群（羊或鸟）.because of2 e across.pick up第二局部重点单词讲解1.distribution n. U & C分配；分布；散布：the distribution of
3、 wealthpopulation distributionThis species of dolphin is widely distributed throughout the world.Who distributes our products in the UK?【归纳拓展】distribution centre 酉己送 中 心distribute v分配；分布；散布;分发；分送distribute .to/among 在.中分发【既学既练】单句语法填空1 .We are studying the(distribute) of schools in this country.2 .Th
4、en we distributed some presents such as books and school bags them.1. .distribution 2. amongas well as既又(用来连接两个并列成分)【语境探究】I often surf the Internet to get more information about the history as well as the culture of Tianjin.As well as having difficulty adapting herself to the new school life, she fo
5、und the culture difference another challenge for her.My little brother can speak English and French as well.【归纳拓展】(1)A as well as B结构作主语时，谓语动词应该与A在人称和数方面 保持一致。(2)as well也；又；还(常放在句子末尾，作为副词短语使用) (3)may/might as well do sth.倒不如做某事；不妨做某事【既学既练】单句语法填空(l)r 11 do some reading for fun and for knowledge well.
6、(2)The deadline for the project is around the corner, so we as wellget some help.(3)The teacher as well as his students(be) going to take part in this activity.(4)Actually, V ve been doing pretty well in my studies as(good) as in my life.l.as 2. may/might 3.is 4.wellcome across穿过(路、桥)；(偶然)遇见；发现【语境探究
7、】We must have come across many problems in learning English, such as vocabulary and grammar.We are still wondering how it came about that the experiment ended in failure.I believe everyone, regardless of age or background, can come up with new ideas and excellent insights.【归纳拓展】come up withcome abou
8、tcome towhen it comes e out【既学既练】come up withcome aboutcome towhen it comes e out【既学既练】想出；提出发生苏醒；总计；到达；谈到当谈到出现，开花，出版，发行l.How did it come that he knew where we were?2.1n fact,when comes to the art of warrants have no equal.3.When reading articles related to science,we often come difficultor unfamilia
9、r words.4.1 was amazed that hed come up such a sweet idea.l.about 2.it 3. across 4.with4. capacity n C & U常用单数容量;领悟（或理解、办事）能力 【语境探究】a water bottle with a capacity of 1 literThe Beijing National Stadium, also known as the Birds Nest，has a capacity of 80,000.Children have a remarkable capacity to lear
10、n / for learning languages.She has an enormous capacity for hard work.At full capacity, Chinas factories are only able to produce around 20 million masks a day.The situation is capable of improvement.【归纳拓展】at full capacity满负荷，满功率with/have a capacity of sth/to do sth 有.能力做某事 be capable of dong sth.有能
11、力做某事第三局部 重点句型 With复合结构【语境探究】With time going by, I gradually adapted myself to the school life.With so many areas of forests cut down,a lot of wildlife is losing its natural habitat.With a local villager guiding us, we finally found the ancient castle. With many problems to settle,the newly-elected c
12、hairman is having a hard time.With the beautiful moon up in the sky, we sit together and eat moon-cakes and fruit, sharing our stories.【归纳拓展】with复合结构如下：with +宾语+ doing(doing表示主动或正在进行的动作)(2)with+宾语+ done(done表示被动或已完成的动作)(3)with+宾语+ to do(to do表示将来的动作)(4)with+宾语 + 介词短语/adj. /adv.【既学既练】单句语法填空(1)With th
13、e guide(lead) the way, we had no difficulty finding your house.(2)With all the books he was interested in (buy), Tom left the bookshop with great satisfaction.(3)With many problems(arise),he didnt know what to do next, arisingWith Mr. Smith(teach) them English next term, their spoken English will be
14、 greatly improved.1. leading 2.bought 3.arising 4.to teachWhile的用法【语境探究】While I am willing to help,! do not have much time available.While I believe it is true, I cant prove it.He likes playing basketball, while I like listening to music.【归纳拓展】(l)while作名词用，意为“一会儿，一段时间”。(2)while作并列连词，意为“而，然而二(3)while
15、引导时间状语从句，意为“当时候”。从句的谓语动词为 延续性动词，从句的动作与主句的动作同时发生。(4)while引导让步状语从句，意为“虽然但是”,多放于句首。(5)while引导条件状语从句，意为“只要二 【既学既练】like English while my little brother is fond of maths. 2 .While it has been more than a year since you taught us English, I ve missed you a lot, thinking about those happy moments when we stayed with you. 3 .As far as I m concerned, we must work hard to gain more knowledgewhile we are young. 4 .While there is life, there is hope. 1.然而；可是2.尽管，虽然3.当的时候4.只要
