英语八下Unit全单元.pptx

Whats the highest mountain in the world?Whats the largest desert in the world?Whats the longest river in the world?Lead inHow high is Qomolangma?Its 8,844 meters high.The height of Qomolangma is 8,844.43 meters.The highest mountain in the world is 8,844.43 meters high.The longest riverthe NileThe biggest salt lakesthe Caspian Sea The biggest desert in the worldthe SaharaHow big is the Sahara?Its about 9,600,000 square kilometers in size.The biggest desert in the world is about 9,600,000 square kilometers in size.1a Match the facts you know.Qomolangmaabout 9,600,000 square kilometers in sizeThe Sahara1,025 meters deepThe Caspian Sea6,671 kilometers longThe Nile 8,844.43 meters high1b Listen and complete the sentences.1.Qomolangma is _ than any other mountain in the world.2.The Sahara is _ desert in the world.3.The Caspian Sea is _ of all the salt lakes.4.The Nile is _ river in the world.higherthe biggestthe biggestthe longest_The Yangtze River is about _ kilometers long and the Yellow River is _kilometers long._ China has the biggest population in the world.Its a lot bigger than the population of the US._ China is over _ years old.It has a much longer history than the US.The US is not even _ years old._ China is almost as big as the US,but it is the biggest country in Asia.2a Listen and number the facts1-4 in the order you hear them.6,300 5,000 5,464 30014322b Listen again and fill in the blanks in 2a with the numbers in the box.1 The Yangtze River is about _ kilometers long and the Yellow River is _kilometers long.4 China has the biggest population in the world.Its a lot bigger than the population of the US.3 China is over _ years old.It has a much longer history than the US.The US is not even _ years old.2 China is almost as big as the US,but it is the biggest country in Asia.63005,4645,0003002c Make conversations using the information in 2a.Did you know that China is one of the oldest countries in the world?Yes,I did.Its much older than my country.2d Role-play the conversation.3a Read the article and match each paragraph with the main ideas.Pragraph1 Spirit of climbersPragraph2 Achievements of climbersPragraph3 Facts and dangers3b Read the article again and complete the chart.Paragraph 1Paragraph 2Paragraph 1&3List four dangers for climbersList three achievementsList four comparisonsthick clouds1953-Tenzing Norgay and Edmund Hillary were the first to reach the topmost dangerous sportsnow,freezing weather and heavy storms1960-the first Chinese team1975-the first womanthe popular placesthe highest mountainthe most famous 3c Answer the questions using information in the article.1.Where are the Himalayas?2.How high is Qomolangma?3.Why do so many people try to climb this mountain even though it is dangerous?4.What does the spirit of the climbers tell us?They run along the southwestern part of China.8,844.43 metres high.Because people want to challenge themselves in the face of difficulties.We should never give up trying to achieve our dreams.Grammar形容词和副词的形容词和副词的比较级和最高级比较级和最高级形容词和副词的比较级和最高级（规则变化）形容词和副词的比较级和最高级（规则变化）单音节词和少数多音节词单音节词和少数多音节词一般在词尾加一般在词尾加-er 或或-est原级原级 比较级比较级 最高级最高级highstrongfastslowhigher higheststronger strongestfaster fastestslower slowest以字母以字母e结尾的词，加结尾的词，加-r 或或-st原级原级 比较级比较级 最高级最高级finelatefiner finestlater latest以以“辅音字母辅音字母+y”结尾的双音节词，先改结尾的双音节词，先改“y”为为“i”，再加，再加-er或或-est原级原级 比较级比较级 最高级最高级easyluckyearlyeasier easiestluckier luckiestearlier earliest多音节词和部分双音节词在词前加多音节词和部分双音节词在词前加more或或most原级原级 比较级比较级 最高级最高级deliciousinterestingeasily carefullymore delicious most deliciousmore interesting most interestingmore easily most easilymore carefully most carefullybetter bestworse worstmore mostless leastfarther farthestfurther furthest（不规则变化）（不规则变化）原级原级 比较级比较级 最高级最高级good/well bad/badlymany/muchlittlefar1.Qomolangma is 8,844.43 meters high.珠穆朗玛峰高珠穆朗玛峰高8 844.43米。米。The Caspian Sea is 1,025 meters deep.里海深里海深1 025米。米。The Nile is 6,671 kilometers long.尼罗河长尼罗河长6 671千米。千米。知识点精讲知识点精讲 【自主领悟自主领悟】数词数词+meters(kilometers)+long(high/tall/wide/deep/thick/heavy.),是是英英语语中中表表示示计计量量的的方方法法,其其中中表表示示人、树的高度用人、树的高度用tall,表示物体的高度用表示物体的高度用high。例如例如:My English teacher is 1.82 meters tall.我的英语老师高一米八二。我的英语老师高一米八二。【归纳拓展归纳拓展】英语中表示计量的其他方法英语中表示计量的其他方法长长、宽宽、高高还还可可以以用用复复合合形形容容词词,即即“数数字字+量量词词(单单数数)+long/wide/high.”表表达达,中中间间加加连连字字符符,常常用用作作定定语语。例例如如:This is a ten-meter-wide street,and the traffic is busy.这这条路宽十米条路宽十米,交通繁忙。交通繁忙。【活学活用活学活用】黄河长黄河长5 464千米。千米。The Yellow River is 5,464.死海约深死海约深392米。米。The Dead Sea is about 392.The mountain is 1,500 meters high.(改为同义句改为同义句)It is amountain.答案答案:kilometers longmeters deep1,500-meter-high2.China has the biggest population in the world.中国有世界上最多的人口。中国有世界上最多的人口。【自自主主领领悟悟】population意意为为“人人口口”,为为不不可可数数名名词词,在在表表示示人人口口“多多”“”“少少”时时,用用large(big)和和small修修饰饰。特特指指某某一一地地区区或或某某一一国国家家的的“人人口口”时时,其其前前常常加加定定冠冠词词the。例例如如:The population of my hometown is small.我家乡的人口很少。我家乡的人口很少。【归纳拓展归纳拓展】population的不同用法的不同用法population作作主主语语时时,谓谓语语动动词词常常用用单单数数形形式式,但但如如果果有有分分数数或或百百分分数数等等修修饰饰时时谓谓语语动动词词用用复复数数形形式式。问问某某地地人人口口多多少少常常用用Whats the population of.?例例如如:Whats the population of South Africa?南非的人口是多少南非的人口是多少?【活学活用活学活用】加拿大的人口是多少加拿大的人口是多少?_ _ of Canada?印度人口相当多。印度人口相当多。The population of India _ so _.新加坡四分之三的人口是中国人。新加坡四分之三的人口是中国人。Three quarters of the population in Singapore _Chinese.答案答案:Whats the populationis;large/bigare3.China is over 5,000 years old.It has a much longer history than the US.中国有五千多年的历史中国有五千多年的历史,比美国历史要长得多。比美国历史要长得多。【自自主主领领悟悟】表表示示两两者者比比较较时时用用比比较较级级,longer是是形形容容词词long的的比比较较级级,修修饰饰比比较较级级常常用用much,a lot或或是是a little等等。例例如如:The room is much cleaner than that one.这这个个房房间间比比那那个个干干净净得多。得多。【归纳拓展归纳拓展】比较级的重要用法比较级的重要用法(1)“比比较较级级+and+比比较较级级”或或“more and more+形形容容词词或或副副词词的的原原级级”结结构构表表示示事事物物特特征征的的逐逐渐渐递递进进,常常翻翻译译为为“越越来来越越”。例例如如:When spring comes,the weather gets warmer and warmer.当春天到来时当春天到来时,天气变得越来越暖和。天气变得越来越暖和。(2)“the+比比较较级级.,the+比比较较级级.”结结构构表表示示“越越,越越”。例例如如:The healthier you are,the happier you will be.你越健康你越健康,你就会越幸福。你就会越幸福。【活学活用活学活用】汤姆每天锻炼汤姆每天锻炼,身体比以前强壮多了。身体比以前强壮多了。Tom exercises every day and he is than before.现在学生有越来越多的作业。现在学生有越来越多的作业。The students have homework now.你越努力学习你越努力学习,你取得的成绩就会越好。你取得的成绩就会越好。Theyou study,grades you can get.答案答案:much strongermore and moreharder;the better4.Of all the mountains,Qomolangma rises the highest and is the most famous.在所有的山峰中在所有的山峰中,珠穆朗玛峰是最高最有名的。珠穆朗玛峰是最高最有名的。【自自主主领领悟悟】三三者者或或三三者者以以上上进进行行比比较较:最最高高级级+表表示示范范围围的的状状语语,其其意意义义是是“某某人人、某某事事在在某某个个范范围围内内最最”。使使用用这这种种结结构构时时注注意意,形形容容词词的的最最高高级级前前面面一一般般来来说说要要加加定定冠冠词词the。of后后接接名名词词,用用来来说说明明“最最高高级级的的范范围围”,其其实实也也是是“比比较较对对象象”;而而in直接加一个范围。直接加一个范围。例如例如:Mary is the smartest student in our class.玛丽是我们班最聪明的学生。玛丽是我们班最聪明的学生。【归纳拓展归纳拓展】形容词最高级的不同用法形容词最高级的不同用法(1)“one of+the+最最高高级级+名名词词复复数数”表表示示“最最的的之之一一”。例例如如:Deng Jiaxian is one of the most famous Chinese scientists.邓稼先是中国最著名的科学家之一。邓稼先是中国最著名的科学家之一。(2)“the+序序数数词词+形形容容词词最最高高级级+名名词词单单数数”表表示示“第第几几最最的的”。例例如如:India has the second largest population in the world.印度是世界上人口第二多的国家。印度是世界上人口第二多的国家。【活学活用活学活用】Zhang Hua is the(tall)of all the girls.France is one of the(big)countries in Europe.Africa is the second (large)continent in the world.答案答案:tallestbiggestlargest5.The first woman to succeed was Junko Tabei from Japan in 1975.第一个成功的女人是第一个成功的女人是1975年日本的田部井淳子。年日本的田部井淳子。【自自主主领领悟悟】succeed为为动动词词,意意为为“成成功功”。常常见见搭搭配配:succeed in(doing)sth.“成成功功做做成成某某事事”。例例如如:He succeeded in working out the problem.他成功解决了这个问题。他成功解决了这个问题。【归纳拓展归纳拓展】succeed变形记变形记 success不可数名词不可数名词,意为意为“成功成功”Success depends on our efforts.成功取决于我们的成功取决于我们的努力。努力。可数名词可数名词,意为意为“成成功的人或事功的人或事”The movie was a great success.电影很成功。电影很成功。successful形容词形容词意为意为“成功成功的的”,在句中作定语在句中作定语或表语或表语Jackie Chan is a successful actor.成龙是一名成功的成龙是一名成功的演员。演员。successfully副词副词,意为意为“成功地成功地”,在句中作状语在句中作状语I finished that difficult work successfully.我成功我成功地完成了那份困难的工作。地完成了那份困难的工作。【活学活用活学活用】选词填空选词填空:success/successful/succeed/successfully。(A)Just as the saying goes,“Failure is the mother of_”.(B)Cheer up,Jim.I believe you can be _ in the speech.If we have no knowledge,we cannot_ _ _(成功完成成功完成)any work.答案答案:(A)success(B)successfulsucceed in finishing6.We should never give up trying to achieve our dreams.我们从不应该放弃尽力去实现梦想。我们从不应该放弃尽力去实现梦想。【自自主主领领悟悟】(1)give up“放放弃弃”,后后常常跟跟名名词词代代词词或或动动词词-ing形形式式作作宾宾语语。give up是是“动动词词+副副词词”结结构构的的短短语语,宾宾语语是是代代词词时时,要要置置于于give与与up之之间间。例例如如:Hold on your dreams and never give them up,children.孩孩子子们们,一一定定要要坚坚持持自自己己的的梦梦想想永不放弃。永不放弃。(2)achieve是是及及物物动动词词,意意为为“达达到到;完完成成;成成功功”。主主语语一一般般是是人人,后后常常接接愿愿望望、理理想想、梦梦想想和和目目标标等等。例例如如:Beckham finally achieved his dream.贝克汉姆最终实现了他的梦想。贝克汉姆最终实现了他的梦想。【归纳拓展归纳拓展】常见由常见由give构成的短语构成的短语【活学活用活学活用】这是一个获得教育的好机会。你不应该放弃它。这是一个获得教育的好机会。你不应该放弃它。Its a good chance to get education.You shouldnt_ _ _.史密斯先生下定决心要戒烟。史密斯先生下定决心要戒烟。Mr.Smith made a decision to_ _ _.答案答案:give it upgive up smoking.用所给词的适当形式填空用所给词的适当形式填空1.Many_(tour)come here to visit the big tree every year.2.India is one of the_(old)countries in Asia.3.The population of China_(be)the biggest in the world.4.Mountain Tai is a lot_(high)than any other mountain in Shandong.5.Dale didnt go to the party.The main reason was_(study)for the test.答案答案:1.tourists2.oldest3.is4.higher5.to study知识点精练知识点精练 6.Sunshine Theater is one of the (expensive)theaters in town.7.Zhujiang River is the(long)in Guangdong Province.8.Of all the salt lakes,the Caspian Sea is the (deep).答案答案:6.most expensive7.longest8.deepest.句型转换句型转换1.This is a 2,500-meter-long river.(改为同义句改为同义句)This river is 2,500.2.The US is not as large as Russia.(改为同义句改为同义句)Russia is the US.3.The population of Australia is 19,300,000.(对对画画线线部部分分提提问问)the population of Australia?答案答案:1.meters long2.larger than3.What is4.The Great Wall is the longest wall.(改为同义句改为同义句)The Great Wall is any other wall.5.Qomolangma is the highest mountain in the world.(对对画画线线部分提问部分提问)the highest mountain in the world?答案答案:4.longer than5.What is.完成句子完成句子1.长城纵贯中国北方地区。长城纵贯中国北方地区。The Great Wall_ _the northern part of China.2.这些工人因为吸入了太多灰尘生病了。这些工人因为吸入了太多灰尘生病了。These workers fell ill because they _ _ too much dust.答案答案:1.runs along2.took in3.这些士兵在敌人面前很勇敢。这些士兵在敌人面前很勇敢。These soldiers were brave_ _ _ _the enemies.4.每人都会实现梦想每人都会实现梦想,只要他尽力。只要他尽力。Everyone can _ his _ if he tries his best.答案答案:3.in the face of 4.achieve;dreamI.单项选择单项选择1.My brother is _ more outgoing than me.A.many B.little C.much2.October 12th was one of _ days in 2008.Shenzhou-VII was launched(发射）发射）successfully.A.exciting B.more exciting C.the most exciting3.Which city is _,Beijing,Shanghai or Fuzhou?A.beautiful B.more beautiful C.the most beautiful当堂达标测试当堂达标测试 4._ children there are in a family,_ their life will be.A.The less；the better B.Fewer；richer C.The fewer；the better5.Mobile phones are very popular now and they are _ than before.A.cheap B.cheaper C.the cheapest6.In our city,its _ in July,but its even _ in August.A.hotter；hottest B.hot；hot C.hot；hotter7.Jacks handwriting is as _ as Mikes.A.good B.better C.best8.We can do the work better with _ money and _ people.A.little;few B.less;fewer C.fewer;less9.Jim is the tallest student in our class and Tom is the second _ one.A.tall B.taller C.tallestyoungernewerheavierthe heaviesthigherthe highestolderyoungerthe youngestthe oldestII.Finish the sentences with the right forms of the adjs.1.Kate is youngbut Joe is _.2.My shoes are new.My sisters are _ than mine.3.Her bag is heavy,and his is _ than hers.But yours is _ of all.4.Toms kite is high.Jims is _ than Toms.Mikes is _ of them all.5.Bill is seven.John is nine and Tom is eleven.Tom is _ than John and Bill.Bill is _ than John.Bill is _ and Tom is _ of the three.hungryhungrierthe nicestheavierheaviesthardharderthe hardestbetterIII.Complete the sentences with the right forms of the words.1.Jim is very _.Li Lei is _ than Jim.(hungry)2.Kates mooncakes are _ of all.(nice)3.Your box is _ than mine.But his is the _ of the three(heavy).4.Unit 2 is quite _.Unit 3 is _ than Unit 2.Its _ in Module 1.(hard)5.This TV play is _ than that one.(good)busythe busiestearlierbestfarimportantthe most beautifulworse6.My mother is very _.She is _ in my family.(busy)7.Lingling gets to school _ than the others.(early)8.She speaks English _ in our class.(well)9.Lucy jumped quite _.(far)10.I think English is as _ as Chinese.(important)11.This picture is _ of the four.(beautiful)12.Lucy did _ than Lily.(bad)the Nilethe Yangtze Riverthe Yellow River6,6716,3005,464The Yellow River is long.The Yangtze River is a lot_ than the Yellow River.The Nile is _ _ of all.The Yangtze River is not_ long _ the Nile.=The Yangtze River is not _ than the Nile.longerthe longestas aslongerIV.根据表格完成下面的句子。根据表格完成下面的句子。Mount Tai is high.Mount Huang is a little _ than Mount Tai.Qomolangma is _ _ of all.Mount Tai is not_ high _ Qomolangma.=Mount Tai is not _ than Qomolangma.QomolangmaMount HuangMount Tai8,848.431,8641,545higherthe highestas ashigherSingaporeMalaysiaChina4,000,00020,000,0001300,000,000The population of Singapore is large.The population of Malaysia is much_ than that of Singapore.The population of China is _ _ of all.The population of Singapore is not_ large_ that of China.The population of Singapore is not_ than that of China.largerthe largestaslargerasHomeworkPlease remember the important phrases and preview the next lessonIt takes three generations to make a gentleman.十年树木，百年树人。十年树木，百年树人。Unit 7 Whats the highest mountain in the world?Section BLead inWhats your favorite animal?Why do you like it?An elephant weighs 5,000 kilos.An elephant is 350 cm tall.It eats 150 kilos of food a day.Use the language in the box to help you make sentences.A panda weighs 100 kilos.A panda is 150 cm tall.(standing on two legs)It eats 10 kilos of food a day.Example sentence:This elephant weighs many times more than this panda.(200 cm taller/shorter,weigh much more/less,eat much more/less,eat many times more)1b Listen and check()the numbers you hear._ 100 _16 _20 _50_ 120 _0.1 _0.2 _1501c Listen again and complete the sentences.1.At birth,a baby panda is about _to _ kilos.2.At birth,a baby panda is about _cm long.3.A baby panda is not black.It is _ and it has no _.4.A panda can live up to _to _ years.1d Take turns telling your classmates about pandas.A:A baby panda cannot see.B:An adult panda weighs many times more than a baby panda.2b Scan the article to find out what these numbers mean:10,12,200,2,0000.Scanning2c Scan the article again and write short answers to the questions.1.What is Lin Weis job?2.What do the baby pandas eat for breakfast?3.What do adult pandas eat?4.Why are pandas endangered?5.What is one way of saving pandas?She is a panda keeper.Milk.Bamboo.Because there was less bamboo for the pandas.The children sing songs or make artwork about pandas and other wild animals.2d Complete the sentences using words and phrases from the passage.keeperspreparemanyillnessforestschildren in citiesendangeredChinese governmentplanting more bamboo3a Read the following words ad phrases about whales.Put them in the correct place in the chart.Huge.Live in the sea.Eat small fish and other sea life.Sing songs and jump high out of the water.Humans catch and whales parts Rules and stop3b Write a paragraph about whales and why they need to b