2014八年级英语下册unit7_what’s_the_highest_mountain_in_the_world全单元课件 (3)

1、Unit 7Whats the highest mountain in the world?Section A 1a-2dLanguage Goal:Talk about geography and natureQomolangma about 9,600,000 square kilometers in sizeThe Sahara 1,025 meters deepThe Caspian Sea 6,671 kilometers longThe Nile 8,844.43 meters high 1a. Match the facts you know.1. Qomolangma is_

2、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.1b. Listen and complete the sentences.higherthe biggestthe deepestthe longest1c. Use the information in 1b to make conversations.A: What is th

3、e highest mountain in the world? B: Qomolangma.A: What is the biggest desert in the world? B: Sahara.A: What is the deepest salt lake in the world? B: Caspian sea.Pair workA: What is the longest river in the world? B: Nile._ The Yangtze River is about _kilometers long and the Yellow River is_ kilome

4、ters long._ China has the biggest population in the world. Its a lot bigger than the population of the US.2a. Listen and number the facts 1-4 in the order you hear them.6,3005,0005,46430024_ China is over _ years old. It has a much longer history than the US. The US is not even_ years old._ China is

5、 almost as big as the US, and it is the biggest country in Asia.132b. Listen again and fill in the blanks in 2a with the numbers in the box._ 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 th

6、e population of the US.6,3005,0005,464300246,3005,464_ 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, and it is the biggest country in Asia.135,000300A: Did you know that China is one of the oldest countries in t

7、he world?B: Yes, I did. Its much older than my country.2c. Make conversations using the information in 2a.Group workGuide： Feel free to ask me anything on todays Great Wall tour.Tourist 1：How long is the wall?Guide： Ah, the most popular question! If were only talking about the parts from the Ming Dy

8、nasty, its about 8,850 kilometers long. This makes it the longest wall in the world.2d. Role-play the conversation.Tourist 2: Wow, thats amazing! Why did the ancient emperors build the wall? Guide: The main reason was to protect their part of the country. As you can see， its quite tall and wide. As

9、far as I know, there are no man-made objects as big as this.Tourist 3: Is Badaling part of the Ming Great Wall?Guide: Yes, its the most famous part.3a. Read the article and match each paragraph with the main ideas. Qomolangma the Most Dangerous Mountain in the World?One of the worlds most dangerous

10、sports is mountain climbing, and one of the most popular places for this is the Himalayas. The Himalayas run along the southwestern part ofChina. Of all the mountains, Qomolangmarises the highest and is the most famous. It is 8,844.43 meters high and so is very dangerous to climb. Thick clouds cover

11、 the top and snow can fall very hard. Even more serious difficulties include freezing weather conditions and heavy storms. It is also very hard to take in air as you get near the top.The first people to reach the top were Tenzing Norgay and Edmund Hillary on May 29,1953. The first Chinese team did s

12、o in I960, while the first woman to succeed was Junko Tabei from Japan in 1975.Why do so many climbers risk their lives? One of the main reasons is because people want to challenge themselves in the face of difficulties. The spirit of these climbers shows us that we should never give up trying to ac

13、hieve our dreams. It also shows that humans can sometimes be stronger than the forces of nature.Paragraph 1 Spirit of climbersParagraph 2 Achievements of climbers Paragraph 3 Facts and dangersParagraph 1List four dangers for climbers:thick cloudsSnow slide;Freezing weather conditions;Heavy storm;3b.

14、 Read the article again and complete the chart.Paragraph 2List three achievements:1953 - Tenzing Norgay and Edmund Hillary were the first to reach the top;1960 - The first Chinese team did so; 1975 the Japanese Junko Tabei succeeded doing so.Paragraphs 1 & 3List four comparisons: most dangerous spor

15、t;most popular places;the highest mountain;the most famous mountainWhere are the Himalayas?2. How high is Qomolangma?3c. Answer the questions using information from the article.The Himalayas run along the southwestern part of China.It is 8,844.43 meters high.3. Why do so many people try to climb thi

16、s mountain even though it is dangerous?4. What does the spirit of the climbers tell us?One of the main reasons is because people want to challenge themselves in the face of difficulties. The spirit of these climbers shows us that we should never give up trying to achieve our dreams. It also shows th

17、at humans can sometimes be stronger than the forces of nature.1. Feel free to ask me anything on todays Great Wall tour. 在今天的长城游中，大家尽管问我任何问题，不要拘束。 feel free是英语口语中一个常用表达。若有人让你feel free to do something,就是让你无需拘束，只管按照自己的意愿去做某事。e.g. A: Can I use your bathroom? 我可以用一下你的卫生间吗？ B: Yes, feel free.可以，请随意。Langu

18、age points2. As far as I know, there are no man-made objects as big as this. 据我所知，再没有像它这样大的人造物体了。as far as I know 是一个固定的表达方式，还可以说so far as I know，意思是“据我所知”。例如：As far as I know, Jacks got twin sisters.就我所知，杰克有一对孪生姐妹。Theyre not coming today, so far as I know.他们今天不来了 就我所知是这样的。3. the Ming Great Wall 明长城

19、“明长城”是指明朝时期为了防御北方游牧民族的骚扰，历时一百多年在北部地区 修筑的军事防御工程。这段长城东起辽宁虎山，西至甘肃嘉峪关，从东向西横贯多个省、 直辖市、自治区，全长约8850千米，是现存历代长城遗迹中最完整、最坚固的。4. Even more serious difficulties include freezing weather conditions and heavy storms.更加严峻的困难包括极冷的天气状况和巨大的风暴。1）difficulty既可作可数名词也可作不可数名词，在此用作可数名词。作可数名词时, difficulty通常用作复数，表示具体概念，即：各种各样的

20、“困难；难题；难事”。例如：People learning a new language may face some difficulties.人们学习一门新的语言 时可能会遇到一些困难。If you have any difficulties, you can call me for help.如果你遇到任何困难，给我打电话求助好了。作不可数名词时，difficulty可译作“困难；艰难；辛苦；费劲”，例如：He had great difficulty in finding a new job. 他找新的 工作费了很大劲。.We found the house without diffic

21、ulty. 我们轻而易举地找到广那座房子。2）include表示“包括；包含”，是一个及物动词。例如：Does your price of the bike include this light?你们的车价包含这盏车灯吗？5. The spirit of these climbers shows us that we should never give up trying to achieve our dreams.这些登山者的精神向我们表明：我们绝不应该放弃实现自己梦想的尝试。1）give up doing something 的意思是“放弃做某事；半途而废”He gave up learn

22、ing a third language after he got the job.他找到工作之后就放弃了对第三门语言的学习。2 ) achieve our dreams 相当于make our dreams come true其中动词achieve表示“（通过努力）实现；取得；获取；达到（梦想、成绩、成功、目的)”等。例如：He achieved great success in a short time.他用很短的时间取得了极大的成功。Lin Tao achieved very good exam results.林涛考试取得了 很好的成绩。一 写出下列单词的比较级和最高级1. good2

23、. comfortable3. big4. happy5. cheap6. many7. difficult8. little 1. good 2. comfortable 3. big 4. happy 5. cheap 6. many 7. difficult 8. littlebetter bestmore most bigger biggesthappier happiestcheaper cheapestmore mostmore most less least 1. Lily gets up _ (early) than Lucy. 2. Which goes _ (slowly)

24、, Tom or Jim? 3.This book is _ (interesting) than that one.earliermore slowly more interesting二 根据所给词的适当形式填空 4. She works _ (careful) in her school. 5. Who goes to bed _ (late) Jim, Tom or Jack? 6. I think turkey is _ (delicious) of all. the most carefully latestthe most deliciousHomework Can you th

25、ink of more examples to show isthe mostin the world? Compete with yourclassmates. Unit 7Whats the highest mountain in the world?Section A Grammar FocusGrammar FocusWhats the highest mountain in the world?Qomolangma.How high is Qomolangma?Its 8,844.43 meters high. Its higher than any other mountain.W

26、hich is the deepest salt lake in the world?The Caspian Sea is the deepest of all the salt lakes.Did you know that China is one of the oldest countries in the world?Yes, I did. Its much older than the US.4a. Fill in the blanks with the correct forms of the words in the box.1. The Amazon River is one

27、of the _ rivers in the world. Its a little _ than the Yangtze River.2. Qomolangma is 8,844.43 meters_. big much popular long old highlongestlongerhigh Its one of the most_ places for serious mountain climbers.3. No ocean in the world is as _ as the Pacific Ocean.4. Although Japan is _ than Canada, i

28、t is_smaller.popularbigoldermuche.g. Two rivers：_ and _4b. Write two comparisons about two topics. Write true facts. the Yangtze Riverthe Amazon RiverThe Yangtze River is almost as long as the Amazon River.The Amazon is longer than the Yangtze, but the Yangtze is the longest river in China.Two citie

29、s：_ and _1._2._ _Two animals：_ and _1._ 2._ _Pair work4c. Write five questions using comparisons. Then ask your partner your questions._What is the highest building in our city?Who is the oldest people in our city?What is the most popular street in our city?What is the most delicious food in our cit

30、y?Where is the busiest road in our city?Grammar Focus(一)数词 Numeral数词是用来表示事物的数目和顺序的词。数词的分类：1.基数词2.序数词3.分数词今天我们先来学习一下基数词。1. 复习1100以内的所有数字。2. 掌握百、千、万、十万、百万的表达法。1、1-19的基数词 one 1 two 2 three 3 four 4 five 5 six 6 seven 7 eight 8 nine 9 ten 10 eleven 11 twelve 12 thirteen 13 fourteen 14 fifteen 15 sixteen

31、 16 seventeen 17 eighteen 18 nineteen 192、2090等十位数twenty 20thirty 30forty 40fifty 50sixty 60seventy 70eighty 80ninety 90 twenty-one 21 twenty-two 22 其它的十位数照此类推，如： thirty-one 31 forty-two 42 seventy-five 75 ninety-six 963、百、千、万 百 hundred 100 one hundred 200 two hundred 以此类推 千 thousand 1 000 one thous

32、and 2 000 two thousand英语里没有“万”这一单位，万也用thousand表示。如：10 000 ten thousand 一万20 000 twenty thousand 两万 4、十万、百万十万的说法是： 100.000 a (one) hundred thousand 200.000 two hundred thousand million 百万 a (one) million 1,000,000 two million 2,000,000 以此类推 8,000,000 eight million练一练345100118,657,421three hundred and

33、 forty-fiveone thousand (and) oneeighteen million, six hundred and fifty-seven thousand, four hundred and twenty-oneThe project lasted 5 years and cost 2 billion dollars.2. The Chinese have been making paper for two thousand years.3. One thousand pounds is a lot of money.表示确定数量时 用基数词+ hundred，thousa

34、nd，million，billion多位基数词读法457890608389three hundred and eighty-ninefour hundred and fifty-seveneight hundred and ninetysix hundred and eight 1）101999的三位数由“百位数and+两位数组成”。 如：325three hundred and twenty-five 102 one hundred and two635 six hundred and thirty-five2)三位数以上的数，从个位往前数，每三位数加一个逗号，从后往前数的第一个逗号代表th

35、ousand, 第二个逗号代表million, 第三个逗号是billion，注意这几个词不能用复数形式，后也不能加and。例如： 2,648 two thousand, six hundred and forty-eight 16,250,064 sixteen million, two hundred and fifty thousand, sixty-four 确切数目与不确切数目的表达：hundred, thousand, million, billion等前面有基数词，表示确切数目时，用单数，后直接接复数名词；如：three hundred books one hundred peop

36、le five thousand students seven million starts表示不确切数目时，这类词后加-s且与of连 用。如： hundreds of people thousands of students millions of birds billions of lions注意：这类短语中，名词前如有定冠词、指 示代词或形容词性物主代词时，可加of, 但 表示的是范围。如：two hundred of the workers工人中的二百（人）Grammar Focus(二)形容词的比较级和最高级 comparatives and superlatives with ad

37、j. and adv.short-shortersmall-smallernicenicersafesafer-bigthinheavyheavierhappyhappier找规律：bigbiggerthinthinnerdelicious more delicious interesting more interesting important more important carefullymore carefully quicklymore quickly slowlymore slowlyeasily more easily找规律：大多数形容词和副词有三个等级：原级、比较级、最高级。一

38、、形容词比较级的构成 1.构成的不规则变化: 2.构成的规则变化:形容词和副词的比较级 1. 构成的不规则变化:e.g. good / well better best bad / badly worse worst many / much more most little less least far farther / further farthest/ furthest2. 构成的规则变化:1) 单音节词和少数双音节词一般在词尾 后加-er 构成比较级 或-est构成最高级. 如： 原级 比较级 最高级 cold colder coldest bright brighterbrighte

39、st young younger youngest2) 以字母 e 结尾的词只加 r 或-st 构成 比较级和最高级。 原级 比较级 最高级 nice nicer nicest fine finer finest large larger largest3) 重读闭音节词末尾只有一个辅音字母时, 先双写这个辅音字母, 再加-er或-est。如: big bigger biggest thin thinner thinnest 4) 以“辅音字母+ y”结尾的双音节词， 先改y为i, 再加-er或-est。如： easy easier easiest happy happier happiest

40、5) 多音节词和部分双音节词在词前加more 或most。如： delicious more delicious most delicious interesting more interesting most interesting importantmore important most importantcarefullymore carefully-most carefullyquicklymore quickly most quicklyslowlymore slowly most slowlyeasily more easily most easily形容词最高级的构成A: tal

41、l short quick thick light cool warm quiet wild calm the - esttalltallertallestB: heavy easy tidy dry busy happy healthy hungry earlyy - i- estC: large late nice- st biggestD: bighothottestthin “双写”thinnestwet wettest fatfattestAdjective delicious dangerous interesting popular beautiful careful frien

42、dly the most - adj .Adjective better best farlittle worse worstmore mostfarther farthestless leastgoodwellbadbadlymany much 1. good 2. comfortable 3. big 4. happy 5. cheap 6. many 7. difficult 8. little better best more comfortable most comfortable bigger biggest happier happiest cheaper cheapest mo

43、re most more difficult most difficult less least用法：英语中三者或三者以上相比较，表示“最” 这样的最高程度概念时，要用 “the+最高级” 的结构表示。这种句式一般带有表示比较的介词短语，比如: in our class, of the three 等。例如：Wang Lin is the tallest in our class. This theater is the cheapest of the three.注意使用最高级时应注意以下几点： 形容词的最高级 (1) 表示 “最之一” 的句式，要用 one of the +形容词最高级+复

44、数名词。例如: Jingjiang Hotel is one of the biggest hotels in our city. Lisa is not one of my best friends. (2) 当最高级前面有物主代词或名词所有格时， 不加定冠词 the。例如：Tom is Lucys best friend. Tuesday is her busiest day.(3) 最高级前可加序数词。例如：The Yellow River is the second longest river in China.(4) 形容最高级修饰作表语或介词宾语的名词，代词时，被修饰的词往往省略。

45、例如：He is the laziest (student) in our class.2. 形容词比较级和最高级的构成 规则变化一般情况下，单音节或双音节的形容词比较级直接加-er, 最高级直接加-est。如： clevercleverercleverest cheapcheapercheapest fewfewerfewest smallsmallersmallest youngyoungeryoungest b. 以-e 结尾的形容词，比较级+ -r,最高级+ -st。如： largelargerlargest nicenicernicest cutecutercutestc. 以辅音字

46、母+y结尾的形容词，变y为i +er或+est。 busybusierbusiest heavyheavierheaviest easyeasiereasiest happyhappierhappiest dirtydirtierdirtiestd. 以重读闭音节结尾，末尾只有一个辅音字母结 尾的词，双写最后一个辅音字母，再加+er或 +est。 如： bigbiggerbiggest thinthinnerthinnest fatfatterfattest hothotterhotteste. 多音节和部分双音节形容词，需在原级前+more 构成比较级，+ most 构成最高级。如： imp

47、ortantmore importantmost important beautifulmore beautiful most beautiful difficultmore difficultmost difficult 3. 不规则变化：原级比较级最高级 good /well better best bad /ill worse worst little less least many /much more most far farther /further farthest /furthest old older /elder oldest /eldest最高级规则变化口诀：最高级，很容

48、易，一般词尾加est。(cheap-the cheapest)词尾若有哑音e, 直接就加st。(close-the closest)重读闭音节, 单辅音字母要双写。(big-the biggest)辅音字母加y, 记得把y变为i。(friendly-the friendliest) 多音节，考考你，the most到底加哪里？(popular-the most popular)1.We are going to the Green Restaurant for lunch. (就划线部分提问) _ you going for lunch? 2. Sam is the shortest in h

49、is class. (改为同义句)Sam is _ than _ _ student in his class.Sam is _ than _ _ students in his class.Sam is _ than_ _ in his class.3. How do you like Screen City? (改为同义句) _ do you _ Screen City?Where areshorterany otherWhatthink ofshorterthe otheranyone elseshorter练习：改写句子The Comparative Superlative Degre

50、es of Adjectives & Adverbs总 结 形容词和副词比较级和最高级late later - latestearly earlier earliestbigbigger- biggestfluently/difficultmore, most重读闭音节、末尾只有一个辅音字母双写加 er 或 est单音节词在词尾比较级加- er或最高级加- est以e结尾的词，只需加r 或st以辅音字母加 y 结尾双音节词变 y 为 i 加 er 或 est部分双音节和多音节词在原级前加 more 或 most少数以er,ow 结尾的双音节词加-er -esttalltaller- talle

51、st clevercleverer-cleverestcheap, cold, small, warm, young, highfine, nice, safehappy, busy, dirty, easy, lazy, prettyfat, hot, red, thin, wet, sad narrow, yellow quickly, slowly, useful, careful, popular, modern, 形容词和副词比较级和最高级构成 (规则变化)不规则变化 good / well better - best much / many more - most bad / ba

52、dly / ill worse worst little less least far farther/ further farthest furthest old older/ elder oldest / eldest形容词和副词比较级的用法 1.Who runs faster, he or she?2.He runs faster than she.3.He runs much faster than she.4.He becomes healthier and healthier.5.The more you exercise, the healthier you will be.6.

53、She is less healthy than he.1.表示两者之间的选择, 可用“Which/Who + 比较，or?”.2.表示两者之间的比较，通常用连词 than 引导， 表示“更一些”3.much/far/a lot, even ,still ,a little/a bit 修饰比较级,表示程度.Who runs faster, he or she?He runs faster than she.He runs much faster than she.4. “比较级+and+比较级”表示“越来越”5. “the+比较级 , the + 比较级”表示“ 越, 越 ” 6. 表示不及

54、另一方时，用“less+原级+than” (双音节和多音节词)He becomes healthier and healthier.The more you exercise, the healthier you will be.She is less healthy than he.He is healthier than she.Shanghai is becoming more and more modern.1.比较级 + and +比较级 越来越2.the+比较级 , the + 比较级 越, 越 3._you are, _mistakes you will make. (你越仔细，

55、做错的题目就越少） 4. _you eat, _youll be.(你吃得越多,就越胖)5. Alice writes well. Mary writes _ than she. (甚至更好）The more carefulthe fewerThe morethe fatter1.The girl becomes _. (越来越漂亮）more and more beautiful2. The weather is getting _. (越来越槽糕）worse and worseeven / still better1.表示三者或三者以上比较,可用”Which/Who +最高级,or ?”表示

56、.2. 最高级+of/among (同类比较) in (范围比较)4.one of +形容词最高级+名词复数表示“最 之一”3. 序数词修饰最高级形容词和副词的最高级的用法Who is the tallest, Tom , Mike , or Jack?Tom is the tallest of the three.Mike is the second tallest student in our class.Jack is one of the tallest students in our class.Tom runs (the) fastest in our class. 3. Lin

57、Tao is _ in the class because he never gets to school on time. （最懒的学生之一）4. Edison was_ in the world. (最伟大的发明家之一）one of the laziest studentsone of the greatest inventorsThe Yangtze River is_ river in the world. (第三长河）the third longest2. The Atlantic is _ ocean in the world. ( 第二大洋）the second biggestE

58、xercise:一、翻译句子：二、同义句转换 1. Flat A is more expensive than Flat B Flat B is _ _ than Flat A. Flat B is _ _ Flat A. Flat B is not _ _ _ Flat A.2. I prefer maths to English. I like maths _ English.better than3.He is the tallest student in the class. He is _ in the class.taller than any other studentany o

59、ther +名词单数lessexpensivecheaperthanasexpensiveas 1.Hainan is a very large Island .It is the second _ island in china. (large)2.Our teacher is as _ as before. (busy).3.He is _ among us. (careful)4.Li Lei jumped far _ than Jim. (far)5.The busier he is, the _ he feels. (happy)6.I think Yao Ming is one o

60、f _ basketball players in NBA. (hot)busythe most carefulfartherhappierlargestthe hottest三、完成句子Homework Practice with your classmates to speak and write large numbers. Write some number cars and put them in your room. Whenever you see, read them quickly.Unit 7Whats the highest mountain in the world?S