人教版八年级下册英语Unit7-第2课时-(-3a-4c)课件.ppt--（课件中不含音视频）

1、R R八年级下册八年级下册Unit 7 Whats the highest mountain in Whats the highest mountain in the world?the world?Section A 3a-4cSection A 3a-4csouthwesternthickincludefreezingconditionpopulationancientachievementWords Reviewin the face ofachieveforcenatureEven thoughpopulationdesertchallengebasketballbasketballs

2、wimmingswimmingtennistennisrock climbingrock climbing1.1.What sport do you like?What sport do you like?2.Which of the following sports do you think is the 2.Which of the following sports do you think is the most dangerous?most dangerous?Lead-inWhat might be the dangers of mountain What might be the

3、dangers of mountain climbing?climbing?freezing weather freezing weather conditionsconditionstoo many too many peoplepeoplehave to fight with have to fight with dangerous animalsdangerous animalshard to take in airhard to take in airthick cloudsthick cloudshard to find the hard to find the way homewa

4、y homeLook at the title and the picture of the passage.Predict what will be talked about in the passage.*People like to climb the People like to climb the Qomolangma.Qomolangma.*There are many dangers in There are many dangers in Qomolangma climbing.Qomolangma climbing.Qomolangma the Most Dangerous

5、Qomolangma the Most Dangerous Mountain in the World?Mountain in the World?3aRead the article and match each paragraph Read the article and match each paragraph with the main ideas.with the main ideas.Spirit of climbersAchievements of climbersFacts and dangersParagraph 1Paragraph 2Paragraph 3One of t

6、he worlds most dangerous sports is mountain One of the worlds most dangerous sports is mountain climbing,and one of the most popular places for this is climbing,and one of the most popular places for this is the Himalayas.The Himalayas run along the the Himalayas.The Himalayas run along the southwes

7、tern part of China.Of all the mountains,southwestern part of China.Of all the mountains,Qomolangma rises the highest and is the most famous.Qomolangma rises the highest and is the most famous.It is 8,844.43 meters high and so is very dangerous to climb.Thick clouds cover the top and snow can fall ve

8、ry 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.adj.厚的；浓的厚的；浓的adj.极冷的；冰冻的极冷的；冰冻的n.条件；状况条件；状况The first people to reach the top were Tenzing The first people to reach the top were Tenzing Norgay and

9、 Edmund Hillary on May 29Norgay and Edmund Hillary on May 29，1953.The first Chinese team did so in 19601953.The first Chinese team did so in 1960，while the first woman to while the first woman to succeedsucceed was Junko was Junko Tabei from Japan in 1975.Tabei from Japan in 1975.Why do so many clim

10、bers risk their lives?One of the Why do so many climbers risk their lives?One of the main reasons is main reasons is that that people want to people want to challengechallenge themselves themselves in the face of in the face of difficulties.The spirit of these difficulties.The spirit of these climbe

11、rs shows us that we should never climbers shows us that we should never give upgive up trying trying to to achieve achieve our dreams.It also shows that humans can our dreams.It also shows that humans can sometimes be stronger than the sometimes be stronger than the forces forces of nature.of nature

12、.面对（困难、问题等）面对（困难、问题等）放弃放弃 Why do so many climbers risk their lives to Why do so many climbers risk their lives to climb Qomolangma?climb Qomolangma?Do you know the spirit of these climbers?Do you know the spirit of these climbers?DiscussionDiscussionlPeople want to challenge themselves in the face o

13、f People want to challenge themselves in the face of difficulties.difficulties.lThe climbers never give up trying to achieve their The climbers never give up trying to achieve their dreams.dreams.lHumans can sometimes be stronger than the forces Humans can sometimes be stronger than the forces of na

14、ture.of nature.3bRead the article again and complete the chart.Read the article again and complete the chart.heavy snowfreezing weather conditionsheavy storms1960 the first Chinese team reached the top 1975 Junko Tabei from Japan was the first woman to reach the top.one of the most popular placesthe

15、 higheststronger than the forces of nature3cAnswer the questions using information from the Answer the questions using information from the article.article.1.Where are the Himalayas?The Himalayas run along the southwestern part of China.It is 8,844.43 meters high.2.How high is Qomolangma?3.Why do so

16、 many people try to climb this mountain 3.Why do so many people try to climb this mountain even thougheven though it is dangerous?it is dangerous?Because people want to challenge themselves in the Because people want to challenge themselves in the face of difficulties.face of difficulties.We should

17、never give up trying to achieve our dreams We should never give up trying to achieve our dreams and humans can sometimes be stronger than the forces and humans can sometimes be stronger than the forces of nature.of nature.4.What does the spirit of the climbers tell us?Language points1.It is also ver

18、y hard to take in air as you get near the top.It is+adj.+to do sth.做某事是做某事是的的 it it 作形式主语放在句首，而把真正的主语放在句尾。作形式主语放在句首，而把真正的主语放在句尾。常用于此句型的形容词有：常用于此句型的形容词有：important;difficult;dangerous;necessary;useful;possible2.take intake in 为固定短语，意为为固定短语，意为“吸入；吞入（体内）吸入；吞入（体内）”。（1 1）收留；留宿）收留；留宿（2 2）充分理解；掌握）充分理解；掌握（3

19、3）欺骗；使上当）欺骗；使上当take in 的几种常见含义：的几种常见含义：3.succeed v.实现目标；成功实现目标；成功 succeed in doing sth.成功做某事成功做某事fail to do sth.做某事没有成功做某事没有成功 例：如果你努力工作，你就会成功。例：如果你努力工作，你就会成功。If you work hard,youll succeed.拓展：拓展：succeed的不同形式的不同形式1.名词形式名词形式 success 作不可数名词，意为作不可数名词，意为“成功成功”。作可数名词，意为作可数名词，意为“成功的人或事成功的人或事”。2.形容词形式形容词形式

20、 successful3.副词形式副词形式 successfully4.One of the main reasons is that people want to challenge themselves in the face of difficulties.除除that外，可以外，可以引导表语从句引导表语从句的词有的词有because,what,who,whom,whose,when,where等。等。表语从句表语从句补充说明补充说明5.challenge v./n.挑战；考验挑战；考验 challenge sb.to sth./to do sth.向某人向某人挑战挑战 （尤指在对方不情

21、愿时）强烈建议某人做某事（尤指在对方不情愿时）强烈建议某人做某事例：迈克硬逼着要和我下一盘棋。例：迈克硬逼着要和我下一盘棋。Mike challenged me to a game of chess.people want to challenge themselves in the face of difficulties.拓展：拓展：challenge 作名词的常见用法作名词的常见用法face a challenge 面临挑战面临挑战meet the challenge of 迎接迎接的挑战的挑战accept/take up a challenge 接受挑战接受挑战mount a chal

22、lenge 发起挑战发起挑战a challenge to 对对的质疑的质疑6.achieve v.达到；完成；成功达到；完成；成功 achieve 表示表示“实现实现”时，与时，与realize,come true 同义同义,但但come true 为不及物动词短语为不及物动词短语，而另外两个均为及而另外两个均为及物动词。物动词。achieve adj.achievable 可达到的可达到的 n.achievement 成就；成绩成就；成绩The spirit of these climbers shows us that we should never give up trying to a

23、chieve our dreams.7.force n.力；力量力；力量 the forces of nature 自然力量自然力量the force of an explosion 爆炸力爆炸力force 还可用作动词，意为还可用作动词，意为“强迫；迫使强迫；迫使”force sb.to do sth.迫使某人做某事迫使某人做某事例：例：他们强迫他离开小镇。他们强迫他离开小镇。They forced him to leave the small town.It also shows that humans can sometimes be stronger than the forces o

24、f nature.GrammarGrammarFocusFocus练习：练习：I think this is the second _ story book of all!A.interestingB.more interestingC.much interestingD.most interesting一、形容词、副词的比较级和最高级一、形容词、副词的比较级和最高级u 概述：概述：英语中的形容词和副词有三个等级，即英语中的形容词和副词有三个等级，即原级、原级、比较级比较级和和最高级最高级。比较级比较级主要用于主要用于两者之间两者之间作比较作比较。最高级最高级主要用于主要用于三者或三者以上三者

25、或三者以上进行比较。进行比较。u 规则变化规则变化直接直接加加-er 或或-esttall_ long_以以不发音的字母不发音的字母e结尾的单词直接结尾的单词直接加加-r 或或-st以以“辅音字母辅音字母+y”结尾，结尾，把把y变为变为i，再加，再加-er 或或-estnice_heavy_tallertallestlongerlongestnicernicestheavierheaviest重读闭音节重读闭音节（末尾只有一个辅音字母末尾只有一个辅音字母）双写辅音字母双写辅音字母再加再加-er或或-est部分双音节词和多音节词部分双音节词和多音节词 分别在原级前分别在原级前加加more构成比较

26、级和构成比较级和most构成最高级构成最高级 big_slowly_beautiful_ _biggerbiggestmore slowlymost slowlymore beautifulmost beautifulu 不规则变化不规则变化（1）在形容词最高级前通常用）在形容词最高级前通常用the，在副词最高级前，在副词最高级前 可用可用the，也可省略。，也可省略。（2）比较级前常用的修饰语有）比较级前常用的修饰语有 far，even，a lot，a bit，much等。等。u 使用比较等级应注意的几点：使用比较等级应注意的几点：二、英语中四位及四位以上数的表达与朗读二、英语中四位及四位以

27、上数的表达与朗读u 1000以上的基数词的表示法：以上的基数词的表示法：先从右至左数，每三位数加一个逗点（即以此把先从右至左数，每三位数加一个逗点（即以此把数目分为若干段）。数目分为若干段）。第一个逗点前第一个逗点前的数为的数为 thousand（千）（千）；第二个逗点前第二个逗点前的数为的数为 million（百万）（百万）；第三人逗点前第三人逗点前的数为的数为 billion（十亿）（十亿）。9,8839,883 nine thousand,eight hundred and eighty-three65,359sixty-five thousand,three hundred and f

28、ifty-nine265,468two hundred and sixty-five thousand,four hundred and sixty-eight60,263,150 sixty million,two hundred and sixty-three thousand，one hundred and fifty1.英语没有英语没有“万万”这个单位，要表示这个单位，要表示“万万”须须借用借用 thousand，如，如“一万一万”用用“十个千（十个千（ten thousand）”表示，表示，“十万十万”用用“百个千（百个千（one hundred thousand）”表示。表示。2.

29、在在hundred后通常加上后通常加上连词连词and。若读数中没有。若读数中没有hundred，则在则在thousand后加后加and。u 注意注意：4aFill in the blanks with the correct forms of the Fill in the blanks with the correct forms of the words in the boxwords in the box.big much popular long old high1.The Amazon River is one of the _ rivers in the world.Its a l

30、ittle _ than the Yangtze River.longestlonger2.Qomolangma is 8,844.43 meters _2.Qomolangma is 8,844.43 meters _._.It It s one of s one of the most _ places for serious mountain climbers.the most _ places for serious mountain climbers.3.No ocean in the world is as _ as the Pacific Ocean.3.No ocean in

31、the world is as _ as the Pacific Ocean.4.Although Japan is _ than Canada,it is _ 4.Although Japan is _ than Canada,it is _ smaller.smaller.highhighpopularpopularbigbigolderoldermuchmuchbig much popular long old high4bWrite two comparisons about two topics.Write Write two comparisons about two topics

32、.Write true factstrue facts.Two rivers:_ and _the Yangtze Riverthe Amazon RiverThe Amazon is longer than the Yangtze,but the Yangtze is the longest river in China.The Yangtze River is almost as long as the Amazon River.Two cities:_Two cities:_ and _and _1._1._.2._2._ _ _.Shanghai SydneyShanghai Sydn

33、eyShanghai is as modern as SydneyShanghai is as modern as SydneyShanghai is much smaller than Sydney.Sydney isShanghai is much smaller than Sydney.Sydney isalmost 2 times as big as Shanghaialmost 2 times as big as ShanghaiTwo animals:_Two animals:_ and _ and _1._.1._.2._2._ _ _.a fisha fishA A shark

34、 is bigger than a fish.is bigger than a fish.A fish is smaller than a shark.A shark eats more than a A fish is smaller than a shark.A shark eats more than a fish.fish.a sharka shark4cWrite five questions using comparisons.Write five questions using comparisons.Then ask your partner your questions.Th

35、en ask your partner your questions.1._1._2._2._3._3._4._4._5._5._What is the highest building in our city?What is the highest building in our city?What is the What is the biggest supermarket in our citybiggest supermarket in our city?WhWho o is the is the tallest student in our class?tallest student

36、 in our class?WhWho o is the shortest student in our class?is the shortest student in our class?Who sings the best in our class?Who sings the best in our class?Exercise 1.1.Fish take _ oxygen through their gills.Fish take _ oxygen through their gills.A.up B.into C.in D.for A.up B.into C.in D.for2.Th

37、ere are so _ toys in the shop that I cant decide 2.There are so _ toys in the shop that I cant decide which to buy.which to buy.A.such B.many C.more D.that A.such B.many C.more D.that3.The policeman showed great bravery _ danger.A.in the face B.in the front of C.in the face of D.before4.It is said t

38、hat it is _ today as yesterday.Shall we 4.It is said that it is _ today as yesterday.Shall we go skating this afternoon?go skating this afternoon?A.the hottest B.as hot A.the hottest B.as hot C.hottest D.hotter C.hottest D.hotter If I had not been born Napoleon,I would have liked to have been born A

39、lexander.如果今天我不是拿破仑的话，我想成为亚历山大。Never underestimate your power to change yourself!永远不要低估你改变自我的能力！Living without an aim is like sailing without a compass.生活没有目标，犹如航海没有罗盘。A man is not old as long as he is seeking something.A man is not old until regrets take the place of dreams.只要一个人还有追求，他就没有老。直到后悔取代了梦想，一个人才算老。