Unit 3 Reading and thinking(含视频与音频)ppt课件(含音视频素材)-(2022新)人教版高中英语选择性必修第三册.rar
UNIT 3 UNIT 3 ENVIRONMENTAL ENVIRONMENTAL PROTECTIONPROTECTIONReading and Thinkingstep1Review for five minutes and then Review for five minutes and then dictate the wordsdictate the wordsstep2lead inlead inlead inWatch a video about climate changeWatch a video about climate changeWatch a video about climate changeWatch a video about climate changeOpen page 26. Lets listen to the recording of this textOpen page 26. Lets listen to the recording of this textstep3Read this article by yourself and fill in the Read this article by yourself and fill in the Read this article by yourself and fill in the blanks on page 17blanks on page 17blanks on page 171.starved mon meanings 3.the sun 4.surface 5.released 6.keeping 7.fossil fuels 8.to rise 9.make polices 10. restricting step 4 Read the text again quickly, and then finish the four Read the text again quickly, and then finish the four Read the text again quickly, and then finish the four multiple-choice questionsmultiple-choice questionsmultiple-choice questions 1 C 2 A 3 B 4 Dstep5 Lets analyze the structure of this articleLets analyze the structure of this articleLets analyze the structure of this article The present situationEarth is getting warmer and warmer.A warming ocean and atmosphere along with melting ice and rising sea levels. The causes 1.The “man-made” greenhouse effect has now become a big problem. 2.Huge quantities of extra greenhouse gases produced by burning fossil fuels cause Earths surface temperature to rise quicklyThe impacts 1.The rise in temperature has led to an increase in extreme weather and natural disasters worldwide. 2.News reports are frequently broadcast about extreme rainstorms and heatwaves causing deaths and economic losses. The solutions 1.Governments need to consider making policies and taking appropriate actions and measures. 2。We as individuals can reduce our “carbon footprint by restricting the amount of carbon dioxide our lifestyles producestep6language pointslanguage pointslanguage points Important phrases Important phrases Important phrases paragraph 1 for decades 几十年 provide evidence 提供证据 dramatic adj. 突然的,巨大的,令人吃惊的;戏剧的 a dramatic change/increase/fall 巨变/暴涨/暴跌 paragraph 2 be shocked by 因而震惊 according to 根据,按照 remain v 剩余,留下,残存 skin and bone(s)瘦得皮包骨,瘦骨嶙峋 She is nothing but skin and bones!她瘦得只剩下皮包骨了! as before 如以前 alarming adj. 令人担忧的,令人惊恐的 alarmed adj.感到担忧的;感到惊恐的 have an impact on (= have an effect on)对有影响paragraph 3refer to 指的是;参考;查阅;谈到,提及carbon dioxide 二氧化碳trap vt. 收集,吸收 trap the heat 吸收热量trap energy from the sun 吸收太阳能huge amounts of. (=a huge amount of)大量的,许多的fossil fuel化石燃料(如煤或石油)paragraph 4cost vt. 使丧失,使损失trend n.趋势;趋向;动向 a trend in. 的趋势pay a/the price (for sth./for doing sth.)(因某事/做某事)付出代价paragraph 5 result in 导致 long-lasting adj. 持久的,长期的 policy/polosi/ n. 政策;方针;原则 make/develop a policy (on sth.)制定(有关某事的)政策 adopt/carry out/follow a policy采取/实施/奉行方针 as individuals 作为个人 responsibility n.责任,职责,义务 Its ones responsibility to do sth.做某事是某人的责任。 seize/si:z/ vt. 抓住;夺取;控制 seize an opportunity 抓住时机 issue n. 问题;发行物 vt.发行, cause and effect 因果 map out 规划;安排Important sentencesImportant sentencesImportant sentences paragraph 1 There is little doubt that Earth is getting warmer and warmer. 毫无疑问,地球正变得越来越温暖。本句是复合句,that引导同位语从句,解释说明抽象名词 doubt的具体内容。同位语从句:大多由从属连词_引导,常常跟在order, report, wish, decision, suggestion, belief, doubt, fact, hope, message, news等抽象名词的后面,一般用来解释或说明这些名词的具体含义或内容。that 2. A warming ocean and atmosphere along with melting ice and rising sea levels provide evidence of a dramatic change in the global climate. 海洋和大气变暖,以及冰层融化、海平面上升,都为全球气候急剧变化提供了依据。along with 连接前后两个主语时,谓语动词应和前面的那个主语保持一致,即“就远原则”。paragraph 2 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,这只北极熊像是饿死的。 to have starved是动词不定式短语,作系动词appear的表语此处是不定式的完成式,表示先于谓语动词发生的动作。and连接并列谓语 appeared 和died。动词不定式完成时 I am really sorry to have given you so much trouble. Experts claimed that low sea-ice levels caused by climate change meant the bear could not hunt seals as before, so it had to travel greater distances in order to find food. 专家称,气候变化导致的海冰面降低意味着北极熊无法像以前那样捕食海豹,于是它只能长途跋涉去寻找食物。caused by climate change 是过去分词短语作后置定语,修饰 low sea-ice levels.paragraph 3 Greenhouse gases in the atmosphere, such as methane and carbon dioxide, trap some of the heat, keeping Earths climate warm and habitable. 大气层中甲烷、二氧化碳等温室气体困住了部分热量,从而使地球保持气候温暖、适宜居住。 keeping Earths climate warm and habitable 是现在分词短语作结果状语,warm and habitable 是形容词作宾补。v-ing 短语在句子中作_。The leader stayed up all night, _ (think) of what to do the next day.paragraph 4 There is strong and comprehensive evidence that the rise in temperature has led to an increase in extreme weather and natural disasters worldwide, not only causing serious damage, but also costing human lives. 确凿、全面的证据表明,温度上升导致全球极端天气和自然灾害增多,不仅造成严重破坏,而且使人丧命。There is evidence that. 有证据表明.。 that 引导同位语从句,解释说明 evidence 的具体内容。evidence 是不可数名词。evident adj.明显的,显然的 It is evident that. 很明显It was evident that the chefwas going to lose his temper.很明显,厨师要发脾气了。step7post reading As we know, Earth is getting warmer and warmer, 1._ results in melting ice and rising sea levels. In 2013,a dead polar bear 2_(find)on Norways Arctic island of Svalbard. Experts said that it was low sea-ice levels caused by climate change 3_ killed the polar bear. Scientists mention that the “man-made” greenhouse effect is a big problem._rise in temperature has led 5_ an increase in extreme weatherandnatural disasters worldwide,6_(cause) serious damage and costing human lives. The global climates further warming resulted7_ the continued greenhouse gas emissions 8_(require) the attention of people all over the world. Governments need to make policies and take measures9_ (reduce) greenhouse gas emissions. As individuals, we should also reduce our “carbon footprint by restricting the amount of carbon dioxide our 10_ (lifestyle) produce. 1.which 2.was found 3.that 4.The 5.to 6.causing 7. from 8.requires 9.to reduce 10.lifestyle单击此处添加副标题内容谢谢观看2020
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UNIT 3 UNIT 3 ENVIRONMENTAL ENVIRONMENTAL PROTECTIONPROTECTIONReading and Thinkingstep1Review for five minutes and then Review for five minutes and then dictate the wordsdictate the wordsstep2lead inlead inlead inWatch a video about climate changeWatch a video about climate changeWatch a video about climate changeWatch a video about climate changeOpen page 26. Lets listen to the recording of this textOpen page 26. Lets listen to the recording of this textstep3Read this article by yourself and fill in the Read this article by yourself and fill in the Read this article by yourself and fill in the blanks on page 17blanks on page 17blanks on page 171.starved mon meanings 3.the sun 4.surface 5.released 6.keeping 7.fossil fuels 8.to rise 9.make polices 10. restricting step 4 Read the text again quickly, and then finish the four Read the text again quickly, and then finish the four Read the text again quickly, and then finish the four multiple-choice questionsmultiple-choice questionsmultiple-choice questions 1 C 2 A 3 B 4 Dstep5 Lets analyze the structure of this articleLets analyze the structure of this articleLets analyze the structure of this article The present situationEarth is getting warmer and warmer.A warming ocean and atmosphere along with melting ice and rising sea levels. The causes 1.The “man-made” greenhouse effect has now become a big problem. 2.Huge quantities of extra greenhouse gases produced by burning fossil fuels cause Earths surface temperature to rise quicklyThe impacts 1.The rise in temperature has led to an increase in extreme weather and natural disasters worldwide. 2.News reports are frequently broadcast about extreme rainstorms and heatwaves causing deaths and economic losses. The solutions 1.Governments need to consider making policies and taking appropriate actions and measures. 2。We as individuals can reduce our “carbon footprint by restricting the amount of carbon dioxide our lifestyles producestep6language pointslanguage pointslanguage points Important phrases Important phrases Important phrases paragraph 1 for decades 几十年 provide evidence 提供证据 dramatic adj. 突然的,巨大的,令人吃惊的;戏剧的 a dramatic change/increase/fall 巨变/暴涨/暴跌 paragraph 2 be shocked by 因而震惊 according to 根据,按照 remain v 剩余,留下,残存 skin and bone(s)瘦得皮包骨,瘦骨嶙峋 She is nothing but skin and bones!她瘦得只剩下皮包骨了! as before 如以前 alarming adj. 令人担忧的,令人惊恐的 alarmed adj.感到担忧的;感到惊恐的 have an impact on (= have an effect on)对有影响paragraph 3refer to 指的是;参考;查阅;谈到,提及carbon dioxide 二氧化碳trap vt. 收集,吸收 trap the heat 吸收热量trap energy from the sun 吸收太阳能huge amounts of. (=a huge amount of)大量的,许多的fossil fuel化石燃料(如煤或石油)paragraph 4cost vt. 使丧失,使损失trend n.趋势;趋向;动向 a trend in. 的趋势pay a/the price (for sth./for doing sth.)(因某事/做某事)付出代价paragraph 5 result in 导致 long-lasting adj. 持久的,长期的 policy/polosi/ n. 政策;方针;原则 make/develop a policy (on sth.)制定(有关某事的)政策 adopt/carry out/follow a policy采取/实施/奉行方针 as individuals 作为个人 responsibility n.责任,职责,义务 Its ones responsibility to do sth.做某事是某人的责任。 seize/si:z/ vt. 抓住;夺取;控制 seize an opportunity 抓住时机 issue n. 问题;发行物 vt.发行, cause and effect 因果 map out 规划;安排Important sentencesImportant sentencesImportant sentences paragraph 1 There is little doubt that Earth is getting warmer and warmer. 毫无疑问,地球正变得越来越温暖。本句是复合句,that引导同位语从句,解释说明抽象名词 doubt的具体内容。同位语从句:大多由从属连词_引导,常常跟在order, report, wish, decision, suggestion, belief, doubt, fact, hope, message, news等抽象名词的后面,一般用来解释或说明这些名词的具体含义或内容。that 2. A warming ocean and atmosphere along with melting ice and rising sea levels provide evidence of a dramatic change in the global climate. 海洋和大气变暖,以及冰层融化、海平面上升,都为全球气候急剧变化提供了依据。along with 连接前后两个主语时,谓语动词应和前面的那个主语保持一致,即“就远原则”。paragraph 2 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,这只北极熊像是饿死的。 to have starved是动词不定式短语,作系动词appear的表语此处是不定式的完成式,表示先于谓语动词发生的动作。and连接并列谓语 appeared 和died。动词不定式完成时 I am really sorry to have given you so much trouble. Experts claimed that low sea-ice levels caused by climate change meant the bear could not hunt seals as before, so it had to travel greater distances in order to find food. 专家称,气候变化导致的海冰面降低意味着北极熊无法像以前那样捕食海豹,于是它只能长途跋涉去寻找食物。caused by climate change 是过去分词短语作后置定语,修饰 low sea-ice levels.paragraph 3 Greenhouse gases in the atmosphere, such as methane and carbon dioxide, trap some of the heat, keeping Earths climate warm and habitable. 大气层中甲烷、二氧化碳等温室气体困住了部分热量,从而使地球保持气候温暖、适宜居住。 keeping Earths climate warm and habitable 是现在分词短语作结果状语,warm and habitable 是形容词作宾补。v-ing 短语在句子中作_。The leader stayed up all night, _ (think) of what to do the next day.paragraph 4 There is strong and comprehensive evidence that the rise in temperature has led to an increase in extreme weather and natural disasters worldwide, not only causing serious damage, but also costing human lives. 确凿、全面的证据表明,温度上升导致全球极端天气和自然灾害增多,不仅造成严重破坏,而且使人丧命。There is evidence that. 有证据表明.。 that 引导同位语从句,解释说明 evidence 的具体内容。evidence 是不可数名词。evident adj.明显的,显然的 It is evident that. 很明显It was evident that the chefwas going to lose his temper.很明显,厨师要发脾气了。step7post reading As we know, Earth is getting warmer and warmer, 1._ results in melting ice and rising sea levels. In 2013,a dead polar bear 2_(find)on Norways Arctic island of Svalbard. Experts said that it was low sea-ice levels caused by climate change 3_ killed the polar bear. Scientists mention that the “man-made” greenhouse effect is a big problem._rise in temperature has led 5_ an increase in extreme weatherandnatural disasters worldwide,6_(cause) serious damage and costing human lives. The global climates further warming resulted7_ the continued greenhouse gas emissions 8_(require) the attention of people all over the world. Governments need to make policies and take measures9_ (reduce) greenhouse gas emissions. As individuals, we should also reduce our “carbon footprint by restricting the amount of carbon dioxide our 10_ (lifestyle) produce. 1.which 2.was found 3.that 4.The 5.to 6.causing 7. from 8.requires 9.to reduce 10.lifestyle单击此处添加副标题内容谢谢观看2020
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