Unit 3 Reading and Thinking ppt课件-（2022新）人教版高中英语选择性必修第三册(2).pptx

1、XB3 U3 Reading and ThinkingEnvironmental Protection Reading &ThinkingClimate Change Requires The Worlds AttentionLook and discuss1. Whats happening in the photo?2. Why did it happen? The ice is melting.Because of the greenhouse effect/global warming.What other influences of the global warming?the ri

2、se of sea leveldyinganimalscoastal cities submergednatural disastersextreme weathereconomic losses Other influences of the global warming Look at the graph below. What is it about? What information can you get from it?The earth is becoming warmer and warmer.How ?Who ?Part 1: evidence examplePart 2:

3、causePart 3: consequencesPart 4: solutionsThe development of the passageproblemexamplereasonsinfluencessolutionsphenomenoncauseconsequencesolutionExpository writingRead for thinkingPara 3: “natural”& “man-made” greenhouse effectDefinitionHeat from the sun enters the atmosphere and warms the Earths s

4、urface FunctionKeeping Earths warm and habitableDefinitionPeople produce huge amounts of extra greenhouse gases.A big problemCausing Earths surface temperature to rise quickly.Read for thinkingWhy did the author mention the climate scientists warning?The rise in temperature led to exampleresultIt is

5、 essential that we take action to deal with the issueRead for thinkingWhat is the authors purpose of writing this text?The purpose is to inform the readers and inspire them to do whatever they can to deal with this problem.u To reduce our “carbon footprint”u To educate everyone around usAs students,

6、 what can we do to live a “green” life?Give advice to your parentsMake a poster for schoolWrite a notice for the parkWrite a letter to the governmentPostersClimate change Evidence SolutionsCauses Effects governmentindividualsextreme weathernatural disastersGreenhouse effectnatural greenhouse effectm

7、an-made greenhouse effectPost thinking: mind-mapGreenhouse effectLanguage points1melting ice2provide evidence of 3a dramatic change4skin and bones5trap the heat6sustain life7huge amounts of8fossil fuels9pay a high priceLanguage points: Important phrases (P26 P27)正在融化的冰正在融化的冰为为提供依据提供依据 / / 证据证据急剧变化急剧

8、变化困住热量困住热量皮包骨皮包骨大量的大量的化石燃料化石燃料维系生命维系生命付出巨大的代价付出巨大的代价10long-lasting changes11make policies 12seize the opportunity13map out14cause and effectLanguage points: Important phrases (P26 P27)持久的变化持久的变化抓住机会抓住机会制定政策制定政策规划；安排规划；安排因果因果Language points: Important sentences (P26 P27)1. There is little doubt that

9、Earth is getting warmer and warmer. (P26)2. The “natural” greenhouse effect refers to the fact that heat from the sun enters the atmosphere and warms Earths surface as short-wave radiation. (P26 P27)3. There is strong and comprehensive evidence that the rise in temperature has led to an increase in

10、extreme weather and natural disasters worldwide, not only causing serious damage, but also costing human lives. (P27)同位语从句：大多由从属连词同位语从句：大多由从属连词_引导引导, ,常常跟在常常跟在order, report, wish, decision, suggestion, belief, doubt, fact, hope, message, news等等抽象名词的抽象名词的_，一般用来解释或说明这些名词的，一般用来解释或说明这些名词的具体含义或内容具体含义或内容。

11、that后面后面1. They expressed the hope _ they would come over to China soon.2. Word has come _ some American guests will come to our college for a visit next week.3. He cant answer the question _ he got the money from his home yesterday.4. Do you have any idea _ is actually going on in the classroom?5.

12、The problem _ we should have the meeting in the hall nowmust be decided at once.Language points: Important sentences 即学即用thatthathowwhatwhether I am really sorry to have given you so much trouble. He was believed to have been a reporter. I expect to have read the book by the weekend. I meant to have

13、 called you last night.Compare and FindLanguage points: Important sentences (P26)4. An expert who has studied polar bears for many years said that from the position of its dead body, the bear appeared to have starved and died. 一位长期研究北极熊的专家说，从尸体的姿势看，这只一位长期研究北极熊的专家说，从尸体的姿势看，这只北极熊像是饿死的。北极熊像是饿死的。(P26)动词

14、不定式完成时动词不定式完成时 1. A piece of artwork may take a few minutes to several days to complete, _ (depend) on the size, but it may take several months for him _(transform) a concept into reality.2. Prices of daily goods _ (buy) through a computer can be lower than store prices.3. What happened next is _ (c

15、ontinue)in the next chapter.4. She was said _ (go) abroad for further study.Language points: Important sentences 即学即用dependingto transformboughtto be continued to have goneAs we know, Earth is getting warmer and warmer, (1)_ results in melting ice and rising sea levels. In 2013, a dead polar bear (2

16、) _(find) on Norways Arctic island of Svalbard. Experts said that it was low sea-ice levels (3)_(cause) by climate change(4)_ killed the polar bear. Scientists often mention that the “man-made” greenhouse effect is a big problem. (5)_ rise in temperature has led to an increase in extreme weather and

17、 natural disasters worldwide,(6)_(cause) serious damage and costing human lives. The further global warming resulted(7)_the continued greenhouse gas emissions(8)_(require) the attention of people all over the world. Governments need to make policies and take measures (9) _(reduce) greenhouse gas emissions. As individuals, we should also reduce our “carbon footprint” by restricting the amount of carbon dioxide our (10)_(lifestyle) produce. whichwas foundcausedthatThecausingfromSummary requiresto reducelifestyles