高中英语人教版 (2019)选择性必修 第三册Unit 3 Environmental Protection说课ppt课件

这是一份高中英语人教版 (2019)选择性必修 第三册Unit 3 Environmental Protection说课ppt课件，共60页。PPT课件主要包含了教材链接，直接引语，间接引语，要点精析，Ⅰ 基本概念，实战演练，Ⅱ 完成句子，those，that，lived等内容，欢迎下载使用。
（1）（教材P29） The expert said, “Frm the psitin f its dead bdy, the bear appeared t have starved and died.”→The expert said that frm the psitin f its dead bdy, the bear appeared t have starved and died.（2）（教材P29） The reprter asked, “Will plar bears die ut because f climate change?”
→The reprter asked whether plar bears wuld die ut because f climate change.（3）（教材P29） The reprter asked, “Hw can we save plar bears frm extinctin?”→The reprter asked hw we culd save plar bears frm extinctin.（4）（教材P29） “Let’s wrk tgether t stp climate change,” the expert said.
→The expert advised us t wrk tgether t stp climate change. 观察上面句子，每小题中的两个句子中，第一句是 ___________ ；第二句是___________ 。
直接引用别人的原话，并把它放在引号内, 这叫直接引语；用自己的话来转述别人说的话，并且不能用引号，这叫间接引语。直接引语和间接引语之间可以相互转换。
Ⅱ. 直接引语转换成间接引语时，需要注意以下变化。
1.句子结构的变化（1）直接引语是陈述句，变为间接引语时由that引导宾语从句，that也可以省略。He said, “My father never talks much abut the war.”→He said that his father never talked much abut the war.She said, “Our bus will arrive in five minutes.”→She said that their bus wuld arrive in five minutes.
（2）直接引语是一般疑问句、选择疑问句或反意疑问句，变为间接引语时由if或whether引导宾语从句。大多数情况下if和whether可以互换，但后面有r （nt）时，一般只用whether。He asked me, “D yu like playing ftball?”→He asked me if/whether I liked playing ftball.He asked, “D yu speak English r French？”→He asked me whether I spke English r French.
“Yu have finished the hmewrk, haven’t yu?” my mther asked.→My mther asked me whether I had finished the hmewrk （r nt）.（3）直接引语是特殊疑问句，变为间接引语时由相应的特殊疑问词引导宾语从句，从句用陈述句语序。He asked me, “What d yu want t eat tnight?”→He asked me what I wanted t eat that night.（4）直接引语是祈使句, 变为间接引语时用ask/tell/rder sb. （nt） t d sth. 句式。“Dn’t make any nise,” she said t the children.
→She tld/rdered the children nt t make any nise.“Make gd use f yur time,” he said.→He tld me t make gd use f my time.2. 人称的变化直接引语变为间接引语时，人称的变化遵循以下原则。（1）一随主：直接引语的主语是第一人称，变为间接引语时要和主句的主语人称保持一致。
She said, “I wn’t be frustrated.”→She said that she wuldn’t be frustrated.They said, “We’ll g there by bus.”→They said they wuld g there by bus.（2）二随宾：直接引语的主语是第二人称，变为间接引语时要与主句的宾语人称保持一致。如果主句没有宾语，也可用第一人称。He said t Lily, “Yu must make gd use f the chance.”
→He tld Lily that she must make gd use f the chance.He said, “Yu must be careful when yu crss the rad.”→He said that I must be careful when I crssed the rad.（3）第三人称不更新：如果直接引语的主语是第三人称，人称不变。The bss said, “Tm shuld attend the meeting.”→The bss said that Tm shuld attend the meeting.His mther said t me, “He can’t g t schl.”
→His mther said t me that he culdn’t g t schl.3. 时态的变化（1）直接引语变间接引语时, 如果主句是过去的某种时态, 间接引语在时态方面要作相应的变动, 具体如下表：
The girl said, “I’m srry fr being late fr class.”→The girl said that she was srry fr being late fr class.He said, “I’m writing a letter t send my greetings t Uncle Jhn.”→He said that he was writing a letter t send his greetings t Uncle Jhn.
She said, “I have lst the pen my father bught.”→She said that she had lst the pen her father bught.He said, “I had finished my hmewrk befre supper.”→He said that he had finished his hmewrk befre supper.（2）直接引语是客观事实或真理，变成间接引语时，从句时态不变。The teacher said, “Light travels faster than sund.”→The teacher said that light travels faster than sund.
（3）直接引语变为间接引语时，如果主句是一般现在时或一般将来时，则从句的时态不变。He says, “I am nt gd at English.”→He says that he is nt gd at English.She will say, “I will d it tmrrw.”→She will say that she will d it the next day.（4）直接引语是一般过去时，且有明确的表示过去的时间状语，变为间接引语时，时态不变。
My father said t me, “The huse was cmpletely transfrmed in 2017.”→My father tld me that the huse was cmpletely transfrmed in 2017.4. 指示代词、时间状语、地点状语和动词的变化
She said, “I’ll cme this evening.”→She said that she wuld g that evening. He said, “It’s ten ’clck nw.”→He said that it was ten ’clck then.He said, “It happened yesterday.”→He said that it happened the day befre.He asked me, “Will yu cme t visit me?”→He asked me whether I wuld g t visit him.
Ⅰ. 将下列直接引语变为间接引语
1. “I am having breakfast,” he said.→ ________________________________________
He said that he was having breakfast.
2. Jenny said, “I have finished my hmewrk.”→ J________________________________________________
enny said that she had finished her hmewrk.
3. “Yu can cme here befre eight,” he said.→ ______________________________________________
He said that I culd g there befre eight.
4. “Did yu read the bk last week?” he said.→ ___________________________________________________________
He asked if/whether I had read the bk the week befre.
5. He asked me, “Hw will yu get t the party?”→ ____________________________________________
He asked me hw I wuld get t the party.
6. “Please pen the windw,” the teacher said t Li Ming.→ ________________________________________________
The teacher asked Li Ming t pen the windw.
7. Sphie said, “Facts speak luder than wrds.”→ __________________________________________________
Sphie said that facts speak luder than wrds.
8. She said t me, “They want t decrease the amunt f fat they eat.”→ _______________________________________________________________________
She tld me that they wanted t decrease the amunt f fat they ate.
9. “Yu are a dctr, aren’t yu?” he said.→ _________________________________________________
He asked (me) whether I was a dctr (r nt).
10. He said, “Dn’t make s much nise, bys.”→ ________________________________________________
He tld the bys nt t make that much nise.
1. “I haven’t seen my English teacher these days,” said Mary.→Mary said that _______________________ English teacher ________days.
she hadn’t seen her
2. “Hw much have we spent n educatin this year?” she asked her husband.→She asked her husband hw much _________________n educatin_______year.
they had spent
3. “D yu knw where she lives?” he asked.→He asked ____________________where she ________ .
whether/if I knew
4. “Dn’t frget t turn ff the light,” said ur mnitr.→Our mnitr tld me ________________t turn ff the light.
5. “I’ll cme and see yu again this evening, Tm,” he said.→He tld Tm that he ___________and see him again _______evening.
6. The teacher said, “Where there is a will, there is a way.”→The teacher said that where there_____a will, there_____a way.
7. Mary said, “I came t this place again in 2000.”→Mary said that she_____________________again in 2000.
went t that place
8. He said, “My washing machine is being repaired this week, s I have t wash my clthes by hand.”→He said that his washing machine ______ being repaired_______week, s he had t wash his clthes by hand.
9. Kurt asked, “Jhn, what is yur plan fr persnal grwth?”→Kurt asked Jhn what ______plan fr persnal grwth______ .
10. “A parents’ meeting will be held in ur class next week,” Li Hua said t his parents.→Li Hua tld his parents that a parents’ meeting________ be held in________ class_____________________ week.
the fllwing/next
1. Plar bears are underging hunger in a wrld 1. _________ (warm) than ever befre.Plar bears live in the envirnment t cld fr mst animals. Fr mst f the year, they live and hunt n Arctic sea ice. Nature has prepared 2. _______(they) fr the cld cnditins. But nthing has prepared the bears fr the danger 3. _____________ threatens their nly hme.
Plar bears’ wrld is melting. Studies shw that plar ice 4.___________________(reduce) by 9.8% every 10 years since 1978. Nw abut 20,000 t 25,000 plar bears live in the Arctic. Plar bears depend 5.__________sea ice fr their 6.___________ (survive). “Sea ice is mre than just the platfrm that the bears walk ver,” says Andrew Dercher, 7. ____ scientist wh studies Nrth American plar bear ppulatins. “Withut it, they can’t exist.”
has been reduced
8. __________(melt) and refreezing f plar ice is natural. But in a warmer wrld, the cycle speeds up, and plar bears have less time 9. __________ (hunt). Nrmally, they have three mnths in the spring when they gain mre weight. The extra fat will be used when the bears are nt 10. ___________ (active) hunting.
1. My teeth are sensitive _____ sugary fd.
2. [2019天津改编] Yu are required ____________ (submit) a final draft f yur essay n March 9.
3. Only when we realize the imprtance f helping each ther can we build a _____________ (harmny) sciety.
4. [2020课标全国Ⅰ] There are three bks I reread ___________ (annual).
5. I feel hnred t deliver a speech here _____ behalf f the whle students f ur schl.
6. The baby ____________ (underg) a life-saving brain peratin last week.
7. They have been wrking hard fr days in search _____ a better way t slve the prblem.
8. The researchers are explring why dinsaurs died ______ suddenly abut 65 millin years ag.
1. The meeting has been, withut dubt, ne f the mst useful we have had s far. （There is n dubt that…）__________________________________________________________________ we have had s far.
There is n dubt that the meeting has been ne f the mst useful
2. If the specialist had nt encuraged me, I culdn’t have kept my spirits up. （含蓄虚拟语气）______________________________________________, I culdn’t have kept my spirits up.
Withut the encuragement f the specialist
3. They nt nly presented a musical perfrmance, but als gave a brief intrductin t the histry f Western brass instruments. （倒装句）__________________________________________________, but they als gave a brief intrductin t the histry f Western brass instruments.
Nt nly did they present a musical perfrmance
4. Mr Smith made a lt f mney, and mst f it was spent helping the pr. （“介词+关系代词”引导定语从句）Mr Smith made a lt f mney, ___________________________________________.
mst f which was spent helping the pr
5. S many peple cmmunicate in English every day, s it is very imprtant t have a gd cmmand f English. （with复合结构）_________________________________________________________, it is very imprtant t have a gd cmmand f English.
With s many peple cmmunicating in English every day
1. 地球日于4月22日举行, 是一项旨在提高公众环保意识的年度活动。(aim t d)Earth Day, marked n 22 April, is an annual event __________________________________________________________________.
aiming t raise public awareness abut envirnmental prtectin
2. 我支持人们做他们想做的任何事情, 只要他们不打扰别人。（whatever引导名词性从句）I’m in favr f peple ding _____________________ as lng as they dn’t disturb anyne else.
whatever they want
3. 如果我们不严肃对待环境问题, 地球将会变得越来越糟。(take sth. seriusly)_____________________________________________________, the earth will be wrse and wrse.
If we dn’t take envirnmental prblems seriusly
4. 学习英语应该是有趣的, 而不是你反复强迫自己去做的事情。(frce sb. t d sth.)Learning English shuld be fun-nt smething that yu have t __________________________________ .
frce yurself t d repeatedly
5. 我很荣幸能代表我的班级邀请你加入我们保护海豹的行列。(n behalf f)________________________, I feel it a privilege t invite yu t jin us in prtecting the seals.
On behalf f my class
[2020江苏苏州中学、第十中学高二下学期期中联考] My schl appeared n the news last week because we had made an imprtant change in ur lcal area. Our class had planted a large garden in what was nce nly a vacant lt. It was a lt f wrk but it was all wrth it. I gt blisters frm digging, and we all gt insect bites, t.I learned a lt abut gardening and cllabratin （合作）, and then I learned abut the media. Our teacher telephned the TV statin and infrmed them f what we had accmplished. She spke
with the prducer. The prducer checked with the directrs, but they said there were plenty f stries similar t urs. They wanted t knw what was special abut ur particular garden, since many schls plant it.The teacher explained that, after ging nline t learn abut the prairie（北美大草原）, we had made a prairie garden. We had gne t a prairie and gtten seeds frm the plants, and then we planted them. We did nt water the garden, but we did weed it. We decided t let nature water it with rain, since that was hw prairies grew in the past. We sent a picture f the garden t the news statin.
In the picture, the grass was s high that it std taller than the furth grade students.As a result, the prducer sent a reprter t ur schl. He interviewed the headmaster and asked him many questins abut the garden. After that, he interviewed us, and we explained t him what we had learned thrugh this prject.That night, we watched the news, and there we were. The news reprter tld ur stry. It was nly tw minutes lng, but it was us. We were famus. All that wrk, thse blisters, were wrth it. We knew that when we saw the garden every day, but nw we knewthat the whle city thught s, t.
1. What seemed t be the TV directrs’ initial reactin t the garden?( )A. They were excited.B. They were surprised.C. They were wrried.D. They were uninterested.
[解析] [语篇解读] 本文是一篇记叙文。作者与同学们在老师的带领下把从北美草原带回来的植物种子种在当地的一块空地上, 现在空地变成了他们的花园, 并且被电视台报道了。虽然非常辛苦, 但他们的付出是值得的。【命题立意】推理判断题。【解题思路】根据第二段中的“The prducer checked with the directrs, but they said there were plenty f stries similar t urs.”可以看出, 一开始, 电视台的人认为有很多和作者他们相似的故事, 所以对他们的花园并不感兴趣。
2. What is special abut the garden?( )A. Weeds were allwed t spread naturally.B. The grass grew faster than cmmn grass.C. The seeds came frm the plants f a prairie.D. Undergrund water was used fr the plants.
[解析] 【命题立意】细节理解题。【解题思路】根据第三段中的“We had gne t a prairie and gtten seeds frm the plants, and then we planted them.”可知, 这个花园的种子来自北美大草原的植物。故C项正确。
3. What des the underlined wrd “that” refer t in the last paragraph?( )A. We gt blisters n ur hands.B. Our hard wrk was wrthwhile.C. The garden wuld be famus.D. The prject wuld be finished.
[解析] 【命题立意】词义猜测题。【解题思路】由句式结构可知, 画线词that作knew的宾语, 指代前文所提的事物。结合语境可以看出, that指代前文的“All that wrk, thse blisters, were wrth it.”。即“他们的辛苦是值得的”。
4. Hw did the authr feel abut the prject?( )A. Annyed.B. Curius.C. Prud.D. Regretful.
[解析] 【命题立意】推理判断题。【解题思路】由文章第一段中的“It was a lt f wrk but it was all wrth it.”以及最后一段中的“All that wrk, thse blisters, were wrth it.”均可以看出作者在辛勤付出之后对于劳动成果的自豪感。
深度解析词汇积累1. vacant adj. 空着的; 未被占用的 2. accmplish vt. 完成3. weed v. 除（地面的）杂草 4. interview v. 面试; 采访5. regretful adj. 后悔的; 失望的; 遗憾的难句分析原句：They wanted t knw what was special abut ur particular
garden, since many schls plant it. 他们想知道我们这个花园的特殊之处, 因为许多学校都种植了这样的花园。分析：本句为主从复合句。what引导宾语从句; since在此处意为“因为; 由于”, 引导原因状语从句。
[2020湖北部分重点中学高二年级12月联考] Saving energy is half the battle when it cmes t prtecting the envirnment and reducing ur carbn ftprints. 1_________ They will be gd fr envirnmental prtectin and save yu sme mney as well.Use less electricity. 2_________ There are sme cities and cuntries that have successfully implemented alternative energy surces, but many places are still relying n fssil fuels fr energy. Yu can use less energy r electricity by switching ff lights and unplugging appliances that are nt being used. Yu can
als save energy by using natural light and warmth fr lnger.Use less water. 3_________ This will reduce the number f times yu need t run the washer and it will ensure efficient use f water. Let the dishes air dry instead f using the washer’s dry cycle t save energy. Take shrt shwers instead f baths. This will reduce the lss f t much warm water and yur water heater wrking vertime.4_________ Energy Star apprved prducts are prducts that have been prven t be ec-friendly and will help save the envirnment, make yur hme greener, and save yu mney in the
lng run. Yu can find many different types f appliances and equipment with Energy Star apprval.Fix prblems. Leaky faucets r pipes, cracks in windws and drs, and pr insulatin can all cause an increase in water and energy use. T make sure this desn’t happen, check all yur dr and windw frames and seal them well if needed. A lt f heat can get ut thrugh thse cracks. Leaky faucets and tilets can add quite a big number t yur water bill. 5_________
A.Use Energy Star fewer electrical are many things yu can d abut ging these issues can help avid unwanted water is still mainly supplied by burning fssil fewer clthes at a time t use water clthes r dishes when yu have a full lad.
[解析] [语篇解读] 这是一篇说明文。在保护环境和减少碳足迹方面, 节约能源是胜利的一半。前一句提到了保护环境、减少碳足迹, 下一句则提到有利于环境保护和省钱, 可知本句是在说与环保相关的事情。下一句中的They指代C选项中的many things, C选项的ging green和下一句的envirnmental prtectin表达一致, 故选C。
[解析] 由小标题可知, 本段的环保措施是少用电, 结合下文可知, 本句说明了少用电的原因, 故选E。
[解析] 由小标题可知, 本段的环保措施是少用水, 且后文提到了这将减少你需要运行洗涤器的次数, 并确保水的有效利用, 可知本句是在说明具体的少用水的做法, G项符合语境, 故选G。
[解析] 由后文可知, 本段提出的环保措施是使用能源之星产品, 因为其已经被证明是环保的产品, A项符合语境, 故选A。
[解析] 上文提到漏水的水龙头和马桶会让你的水费增加很多, 本句为本段最后一句, 应承接上文说明修好了漏水问题可以节省水费。故选D。
深度解析词汇积累1. implement v. 执行; 贯彻; 实施 2. alternative adj. 可供替代的; 非传统的3. leaky adj. 有漏洞的; 渗漏的 4. insulatin n. 隔热; 隔音
[2021辽宁辽阳高二上期末] ACalifrnia burns every year, but 2020 is the wrst year. In a study, mre than 77,600 fires 1_________________________ (burn) ver 2.5 millin acres f land s far this year. Unfrtunately, the seasn still has mnths t run. Over the past decade, the state has spent 2__________ average f ＄3.7 billin a year 3________________ (fight) against fires. Althugh smaller than this year’s, the 2018 fire seasn was 4____________________ (particular) destructive, killing 100
have burned/burnt
particularly
peple and burning tens f thusands f buildings.The reasn fr the burns is a duble hit f climate change and develpment. Pricy husing has pushed peple nt 5_______________ (cheap) land clse t the wilderness. Meanwhile, climate change is extending the dry seasn, which stres up fuel fr fires.S 6____________ can be dne t prevent the spread f burns? Clever designs can help make buildings fight against fires that spread 10 neighbring buildings. 7_________________ (material) such as cncrete, adbe r stucc are a better bet than
walls in flammable wd, sme f 8_____________ prmise t hld back the flames fr tw hurs r mre. Besides, pening agricultural lands can be a useful measure, t. Australia, which als suffers 9____________ wildfires, has experimented with bunkers （掩体） specially 10________________ (design) t hld back fires fr an hur r mre.
1. ____________________
[解析] [语篇解读] 本文是一篇说明文。文章主要讲述了加利福尼亚州日趋严重的山火问题, 并进一步阐释了山火问题的原因是气候变化和发展的双重打击。作者通过这篇文章来呼吁大家学会与山火共存。考查动词时态。根据句中“s far”可知本句时态应用现在完成时, 且前面主语fires为复数, 故填have burned/burnt。
[解析] 考查冠词。an average f意为“平均是……”。故填an。
3. ___________
[解析] 考查非谓语动词。spend time/mney ding sth. 表示“花费时间/金钱做某事”。故填fighting。
4. _______________
[解析] 考查副词。分析句子可知, 此处应该填副词修饰句中的形容词destructive。故填particularly。
5. __________
[解析] 考查形容词比较级。根据句中的Pricy并结合句意可知本处意为“更便宜的”。故填cheaper。
[解析] 考查疑问代词。分析句子结构可知, 本句是特殊疑问句, 应使用疑问代词what指代防止燃烧蔓延的行为。故填what。
7. ____________
[解析] 考查名词的数。通过句中对材料的一系列列举“cncrete, adbe r stucc”可知句中表述的并非一种材料, 而是多种材料, 故填Materials。
8. ________
[解析] 考查非限制性定语从句。分析句子结构可知, 此处为“介词+关系代词”引导的非限制性定语从句, 修饰先行词Materials, 指物, 故用which, 从句意为“这些材料中的一些有可能抑制火焰长达两个小时或更多”。故填which。
[解析] 考查介词。固定搭配suffer frm…意为“遭受……”。故填frm。
10. ___________
[解析] 考查非谓语动词。分析句子结构可知, bunkers和动词design之间为被动关系, 所以用过去分词作后置定语。故填designed。
[2020浙江杭州高二期中] BSme f yu may play Ant Frest, 1_________ game n Alipay. Users cllect “energy” t make their “trees” grw. When the “energy” 2_______________ (reach) a certain level, sme 3_____________________ (rganize) and cmpanies will plant a real tree in a desert area f China. And nw it seems that the natin’s effrts t make a greener wrld have paid 4___________ .Accrding t a study 5_________________ (publish) in the jurnal Nature Sustainability, China and India are 6______
rganizatins
________ (main) respnsible fr making Earth greener ver the past tw decades. The study has fund that since 2000 Earth’s green leaf area has increased by 5 percent, r ver 5 millin square kilmeters, 7_____________ is an area equal t the ttal area f the Amazn rainfrest. China and India accunt fr ne 8_____________ (three) f the increased greening, but cntain nly 9 percent f the planet’s land area cvered in vegetatin （植被）. China was the majr cntributr, adding 25 percent t this increase, 9_________________ India added 6.8 percent. There is n 10_______________ (deny) that
China is ne f the mst successful cuntries in greening the desert.
[解析] [语篇解读] 本文是一篇说明文。文章介绍了中国为建设一个绿色世界所做的巨大努力。考查冠词。此处用不定冠词表泛指, 表示“一、一个”。
2. __________
[解析] 考查时态和主谓一致。此处是一般现在时, 主语“energy”是单数, 谓语动词用第三人称单数形式。
3. ________________
[解析] 考查名词。根据前面的sme可知, 此处用名词复数形式。
[解析] 考查固定搭配。pay ff(某行动)取得成功, 带来好结果。
5. ____________
[解析] 考查非谓语动词。此处用过去分词短语作定语, 修饰名词 study, 表被动。
6. _________
[解析] 考查副词。此处用副词修饰形容词respnsible。