外研版 (2019)选择性必修 第二册Unit 5 A delicate world课前预习ppt课件

这是一份外研版 (2019)选择性必修 第二册Unit 5 A delicate world课前预习ppt课件，共41页。PPT课件主要包含了III，代表 ， 各种各样的，被认为是 ， 给某人提供某物，因而出名，共存共生， 因为由于，作为报答，Homework等内容，欢迎下载使用。
Pre-reading
Language pints
Fast reading
Intensive reading
Pst-reading
Watch the vide and answer the questins.
1. Where is Shennngjia and what is it famus fr?
Shennngjia lies in the nrth-west f Hubei Prvince and is famus fr its beauty anddiversity.
2. What else d yu knw abut Shengnngjia?
Students’ wn answers.
Backgrund Infrmatin
Pre-reading
Wrld Heritage SiteA Wrld Heritage Site is a place n Earth that is accrding t United Natins Educatinal, Scientific and Cultural Organizatin (UNESCO), “f utstanding universal value t humanity and as such, have been inscribed n the Wrld Heritage List t be prtected fr future generatins t appreciate and enjy”.
Examples f Wrld Heritage Sites are the Pyramid Fields frm Giza t Dahshur f Egypt, the Galápags Islands in Ecuadr, the Taj Mahal in India, and the Great Wall f China, having significant cultural, histrical, scientific r ther frm f significance.
Lk at the title f the passage and think abut what it means.
The title raises a questin: why did Shennngjia make it nt the UNESCO Wrld Heritage List?
The lecture is ne f the ldest teaching methds, and is still widely used tday. A typical lecture ften starts with addressing the tpic directly. Data, examples and cmparisns are then used t supprt the main ideas. Bth verbal and visual infrmatin is used in rder t maintain the audience’s interest. The end f a lecture is ften fllwed by a shrt questin-and-answer sessin.
常用说明方法：列数据 (give data)、举例子 (examples)、作比较 (make cmparisns).
列数据 (give data): 用具体的数据对事物的特征或事理加以说明，使说明更准确、更有说服力。
举例子 (examples): 通过具体的实例对事物的特征或事理加以说明，使说明更加生动形象、易于理解。
作比较 (make cmparisns): 将两个事物放在一起进行比较，呈现事物的相同点和不同点。
Read the sentences frm the passage and decide if they serve t give data (D), examples (E) r make cmparisns (C).
1. The regin rises frm abut 400 metres t ver 3,000 metres abve sea level, ... 2. ... ver 3,000 plant species have been recrded there. This represents mre than ten per cent f China’s ttal flral richness.
Intensive reading
3. Shennngjia supprts mre than 600 vertebrate species, including the Glden Snub-nsed Mnkey and the Cluded Lepard. 4. In winter, scientists brave heavy snw and freezing temperatures t supply fd t the Glden Snub- nsed Mnkey.
5. Althugh endangered elsewhere in China due t the invasin f freign species, the bees f Shennngjia have cexisted with the lcal peple fr centuries.
1. What rles d the questins in Paragraph 2 play?
The questins in Paragraph 2 serve t intrduce the tpic and attract the audience.
2. Accrding t the passage, what has been dne t prtect the eclgy f Shennngjia?
T prtect the eclgy f Shennngjia, scientists make every effrt t lk after the species. In winter, scientists brave heavy snw and freezing temperatures t supply fd t the Glden Snub-nsed Mnkey. Mre imprtantly, the lcal peple live in harmny with nature. They take things frm nature withut damaging it.
3. Which part f Shennngjia interests yu mst? Why?
Share yur wn answers.
Wrk in grups. Give a talk cmparing Macquarie Island and Shennngjia.
Macquarie Island
Think abut the similarities and differences between Macquarie Island and Shennngjia and make ntes.
1. Bth have unique animals.
1. Macquarie is an island, while Shennngjia is a muntainus area.
2. Bth have wild and natural beauty.
3. Bth are UNESCO Wrld Heritage sites.
2. Macquarie Island was nce in chas due t the intrductin f nn-native species, while Shennngjia has always been in natural harmny.
4. The native species f Macquarie Island existed fr thusands f years, while sme f the plants and animals in Shennngjia have survived ver millins f years.
3. Shennngjia has mre varied species f plants and animals than Macquarie Island.
Decide what cnclusins yu can draw frm cmparing the tw places and what yu wuld like t include in yur talk.
Pst-reading: Grup wrk – presentatin
Give yur talk t the class.
1. ccur v. 发生；出现，存在
Language pints: Wrds
1) The accident ccurred n Sunday. 这意外事件发生在星期日。2) These plants ccur in Africa nly. 这些植物只出现在非洲。3) Cultural differences ccur wherever yu g. 无论你到哪儿，都存在着文化差异。
ccur t sb 浮现于脑海中，被想起
1) it ccurs t sb t d sth It ccurred t her t phne the plice. 他想到了给警察打电话。
2) it ccurs t sb + that 从句 It ccurred t him that he had an imprtant cnference t attend the next mrning. 他突然想到第二天早上要参加一个会议。
2. rise v. rse risen
1) She rse t her feet in ne swift mvement.2) Befre the earthquake the water in the village wells and rse and fell.3) The price f petrl has risen sharply since last mnth.4) Her vice rse as he gt angry.5) All f a sudden, a warm feeling f sympathy rse up in my heart.
（数值等）增加；增长；上涨
（感情或情绪）变得强烈
3. bserve v.
The teacher required the students t bserve hw the peple in the grup interacted.Rules f nline vting shuld be wrked ut and strictlybserved.D yu bserve Christmas in yur cuntry?
bservatin n. 观察bserver n. 观察者，观察员
遵守，奉行(法律、习俗)
1. n behalf f _________________ 2. make it _________________ 3. result in _________________ 4. a wide variety f ... _________________5. be regarded as ... _________________
Language pints: Imprtant lexical chunks
6. due t ________________7. supply sth t sb ________________8. be knwn fr ... ________________ 9. cexist with ________________10. in return ________________
1. WHY SHENGNONGJIA ?
Language pints: Imprtant sentences
Paraphrase: Why has Shennngjia been chsen as an UNESCO Wrld Heritage?
Why sb / sth? 通常用于询问为什么某人或某事被选中，即: Why a particular persn r thing has been chsen fr / t d sth？
例: Why me? Why can’t smene else drive yu hme? 为什么是我？为什么别人不能开车送你回家？
2. As we knw, in 2016, Shennngjia made it nt the UNESCO Wrld Heritage List.
Paraphrase: We knw that in 2016 Shennngjia was accepted nt the UNESCO Wrld Heritage List.
make it 获得成功或达到
例: 1) He lks less likely t make it t the finals. 他看起来不太可能进入决赛。 2) The climbers finally made it t the tp f the muntain. 这些登山队员最终成功到达山顶。
3. In winter, scientists brave heavy snw and freezing temperatures t supply fd t the Glden Snub-nsed Mnkey.
Paraphrase: In winter, scientists g ut in heavy snw and very cld temperatures t supply fd t the Glden Snub-nsed Mnkey.
brave 在这里用作动词，意为“勇于置身(恶劣或危险境地)”
例：Hundreds f fans braved rush-hur traffic t see the cncert. 成百上千的粉丝不顾交通高峰期的拥挤去看演唱会。
4. Althugh endangered elsewhere in China due t the invasin f freign species, the bees f Shennngjia have cexisted with the lcal peple fr centuries.
Paraphrase: Althugh they are endangered in ther places f China due t the invasin f freign species, the bees f Shennngjia have lived in harmny with the lcal peple fr hundreds f years.
cexist with 共存，共生The questin is n lnger hw t remve wlves but hw t cexist with them. 现在的问题不再是如何除掉狼，而是如何与狼共存。
状语从句的省略现象：当状语从句的主语和主句主语相同时，可以省略状语从句的主语。如果从句的谓语动词是主动语态就用现在分词形式；如果从句的谓语动词是被动语态就用过去分词形式。
1) If seen frm this psitin, the picture lks rather gd. 从这个位置看那张照片，它真的不错。2) When given a physical examinatin, yu shuld keep calm. 做体检的时候，你应该保持冷静。
5. By prviding the bees with a secure hme, the villagers cllect their hney in return.
Paraphrase: The villagers prvide the bees with a secure hme, and in return, cllect their hney.
by ding sth 通过做某事（为特定目的而采取的行动）
例: Yu can reset the cmputer by pressing this buttn. = Yu can press this buttn t reset the cmputer. 你可以按这个按钮来重设电脑。
in return 作为报答
例：We learn bth hw t lve and hw t be lved in return. 我们学会爱别人，也学会如何接受别人回馈的爱。