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1、人教选修四Unit 2 Iconic AttractionsUsing language学案第一部分基础知识过关一. 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._，拓展词汇知变形1._n.分布；分配；分发distribute vt.分配：分发：分布2._n.发生率；重复率；（声波或电磁波振动的)频率frequent ad.频
2、繁的；常见的frequently adv.频繁地3._adj.暴力的；猛烈的；暴行violently adv.猛烈地4._n.生理；生物学biological adj.生物学的；生物的；与生物学相关的；有血亲关系的5._vt.批准；许可n.(一licence)许可证；_adj.得到正式许可的6._n.能力；容量capable adj.能干的三. 短语互译1.少数人（或物）；一把（的量）_2.一群（羊或鸟）_3.because of_e across_5.pick up_第二部分重点单词讲解1.distribution n. U & C 分配；分布；散布：the distribution of
3、wealth population distributionThis species of dolphin is widely distributed throughout the world.Who distributes our products in the UK?【归纳拓展】distribution centre 配送中心 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.Then
4、we distributed some presents such as books and school bags _them.1.distribution 2. among2. as 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 fou
5、nd 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(1)Ill do some reading for fun and for knowledge _well.(2
6、)The deadline for the project is around the corner, so we _as well get some help.(3)The teacher as well as his students _(be) going to take part in this activity.(4)Actually, Ive been doing pretty well in my studies as _ (good) as in my life.1.as 2. may/might 3.is 4.well3. come across穿过(路、 桥)；(偶然)遇见
7、；发现【语境探究】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 failureI believe everyone, regardless of age or background, can come up with new ideas and excellent insights.【归纳拓展】come up with想出
8、；提出come about发生come to苏醒；总计；达到；谈到when it comes to.当谈到come out 出现，开花，出版，发行【既学既练】1.How did it come _that he knew where we were?2.In fact,when _comes to the art of war,ants have no equal.3.When reading articles related to science,we often come _difficult or unfamiliar words.4.I was amazed that hed come
9、 up _such a sweet idea.1.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 learn / for learning languages.She h
10、as 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.有能力做某事第三部分重点句型With 复合结构【语境探究】Wi
11、th 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 newlyelected chairman is having a hard time.Wi
12、th 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：(1)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 the guide_ (lead) the way, we had no difficulty
13、 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.arising(4) With MrSmith_ (teach) them English next term, their spoken English will be greatly improved.1. leading 2.bought
14、3.arising 4.to teach While的用法【语境探究】While I am willing to help,I 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】(1)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”。(3)while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
15、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”。【既学既练】 1.I like English while my little brother is fond of maths_2.While it has been more than a year since you taught us English, Ive missed you a lot, thinking about those happy moments when we stayed with you_3.As far as Im concerned, we must work hard to gain more knowledge while 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.只要学科网（北京）股份有限公司