人教版八年級下冊英語Unit7-第2課時-(-3a-4c)課件

1、R八年級下冊Unit 7 Whats the highest mountain in the world?Section A 3a-4cR八年級下冊Unit 7 Whats the highsouthwesternthickincludefreezingconditionpopulationancientachievementWords Reviewsouthwesternthickincludefreeziin the face ofachieveforcenatureEven thoughpopulationdesertchallengein the face ofachieveforce

2、natubasketballswimmingtennisrock climbingWhat sport do you like?2. Which of the following sports do you think is the most dangerous?Lead-inbasketballswimmingtennisrock c人教版八年級下冊英語Unit7_第2課時-(-3a-4c)What might be the dangers of mountain climbing?freezing weather conditionstoo many peoplehave to fight

3、 with dangerous animalshard to take in airthick cloudshard to find the way homeWhat might be the dangers of mLook at the title and the picture of the passage. Predict what will be talked about in the passage.*People like to climb the Qomolangma.*There are many dangers in Qomolangma climbing. Qomolan

4、gma the Most Dangerous Mountain in the World?Look at the title and the pict3aRead the article and match each paragraph with the main ideas. Spirit of climbersAchievements of climbersFacts and dangersParagraph 1Paragraph 2Paragraph 33aRead the article and match eOne of the worlds most dangerous sport

5、s is mountain climbing, and one of the most popular places for this is the Himalayas. The Himalayas run along the southwestern part of China. Of all the mountains, Qomolangma rises the highest and is the most famous. One of the worlds most dangerIt is 8,844.43 meters high and so is very dangerous to

6、 climb. Thick clouds cover 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.adj. 厚的；濃的adj. 極冷的；冰凍的n. 條件；狀況It is 8,844.43 meters high andThe first people to reach the t

7、op were Tenzing Norgay and Edmund Hillary on May 29，1953.The first Chinese team did so in 1960，while the first woman to succeed was Junko Tabei from Japan in 1975.The first people to reach the Why do so many climbers risk their lives? One of the main reasons is that people want to challenge themselv

8、es 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 that humans can sometimes be stronger than the forces of nature.面對（困難、問題等）放棄Why do so many climbers risk t Why do so many climbers risk their lives to climb

9、Qomolangma ? Do you know the spirit of these climbers?DiscussionPeople want to challenge themselves in the face of difficulties.The climbers never give up trying to achieve their dreams.Humans can sometimes be stronger than the forces of nature. Why do so many climbers risk 3bRead the article again

10、and complete the chart. 3bRead the article again and cheavy 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 higheststronger than the forces of natureheavy snow196

11、0 the first Chin3cAnswer the questions using information from the 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?3cAnswer the questions using i3. Why do so many people try to climb this mountain even tho

12、ugh it is dangerous?Because people want to challenge themselves in the face of difficulties.We should never give up trying to achieve our dreams and humans can sometimes be stronger than the forces of nature.4. What does the spirit of the climbers tell us?3. Why do so many people try tLanguage point

13、s1. It is also very hard to take in air as you get near the top. It is + adj. + to do sth. 做某事是的 it 作形式主語放在句首，而把真正的主語放在句尾。常用于此句型的形容詞有：important; difficult; dangerous; necessary; useful; possibleLanguage points1. It is also v2. take intake in 為固定短語，意為“吸入；吞入（體內）”。（1）收留；留宿（2）充分理解；掌握（3）欺騙；使上當take in 的幾種

14、常見含義：2. take intake in 為固定短語，意為“吸入；3. succeed v. 實現目標；成功 succeed in doing sth. 成功做某事fail to do sth. 做某事沒有成功 例：如果你努力工作，你就會成功。 If you work hard, youll succeed.3. succeed v. 實現目標；成功 succe拓展：succeed的不同形式名詞形式 success 作不可數名詞，意為“成功”。 作可數名詞，意為“成功的人或事”。2. 形容詞形式 successful3. 副詞形式 successfully拓展：succeed的不同形式名詞

15、形式 success2.4.One of the main reasons is that people want to challenge themselves in the face of difficulties. 除that外，可以引導表語從句的詞有because, what, who, whom, whose, when, where等。表語從句補充說明4.One of the main reasons is t5. challenge v. / n. 挑戰(zhàn)；考驗 challenge sb. to sth. / to do sth. 向某人挑戰(zhàn) （尤指在對方不情愿時）強烈建議某人做某

16、事例：邁克硬逼著要和我下一盤棋。 Mike challenged me to a game of chess.people want to challenge themselves in the face of difficulties. 5. challenge v. / n. 挑戰(zhàn)；考驗 ch拓展：challenge 作名詞的常見用法face a challenge 面臨挑戰(zhàn)meet the challenge of 迎接的挑戰(zhàn)accept / take up a challenge 接受挑戰(zhàn)mount a challenge 發(fā)起挑戰(zhàn)a challenge to 對的質疑拓展：chall

17、enge 作名詞的常見用法face a ch6. achieve v.達到；完成；成功 achieve 表示“實現”時，與realize, come true 同義,但come true 為不及物動詞短語， 而另外兩個均為及物動詞。achieve adj. achievable 可達到的 n. achievement 成就；成績The spirit of these climbers shows us that we should never give up trying to achieve our dreams. 6. achieve v.達到；完成；成功 ach7. force n.力；

18、力量 the forces of nature 自然力量the force of an explosion 爆炸力force 還可用作動詞，意為“強迫；迫使”force sb. to do sth. 迫使某人做某事例：他們強迫他離開小鎮(zhèn)。 They forced him to leave the small town.It also shows that humans can sometimes be stronger than the forces of nature.7. force n.力；力量 the forces GrammarFocusGrammar練習：I think this

19、is the second _ story book of all!A. interestingB. more interestingC. much interestingD. most interesting練習：I think this is the second 一、形容詞、副詞的比較級和最高級概述： 英語中的形容詞和副詞有三個等級，即原級、比較級和最高級。 比較級主要用于兩者之間作比較。 最高級主要用于三者或三者以上進行比較。一、形容詞、副詞的比較級和最高級概述：規(guī)則變化直接加 -er 或 -esttall_ long_以不發(fā)音的字母e結尾的單詞直接加 -r 或 -st以“輔音字母+y

20、”結尾，把y變?yōu)閕，再加 -er 或- estnice_heavy_tallertallestlongerlongestnicernicestheavierheaviest規(guī)則變化直接加 -er 或 -esttall_重讀閉音節(jié)（末尾只有一個輔音字母） 雙寫輔音字母再加 -er或 -est部分雙音節(jié)詞和多音節(jié)詞 分別在原級前加more構成比較級和most構成最高級 big_slowly_beautiful_ _biggerbiggestmore slowlymost slowlymore beautifulmost beautiful重讀閉音節(jié)（末尾只有一個輔音字母）部分雙音節(jié)詞和多音節(jié)詞不規(guī)

21、則變化不規(guī)則變化（1）在形容詞最高級前通常用the，在副詞最高級前 可用the，也可省略。（2）比較級前常用的修飾語有 far，even，a lot，a bit，much等。使用比較等級應注意的幾點：（1）在形容詞最高級前通常用the，在副詞最高級前使用比較等二、英語中四位及四位以上數的表達與朗讀1000以上的基數詞的表示法： 先從右至左數，每三位數加一個逗點（即以此把數目分為若干段）。 第一個逗點前的數為 thousand（千）； 第二個逗點前的數為 million（百萬）； 第三人逗點前的數為 billion（十億）。二、英語中四位及四位以上數的表達與朗讀1000以上的基數詞的9,883

22、nine thousand, eight hundred and eighty-three65,359sixty-five thousand, three hundred and fifty-nine9,883 265,468two hundred and sixty-five thousand, four hundred and sixty-eight60,263,150 sixty million, two hundred and sixty-three thousand，one hundred and fifty265,4681. 英語沒有“萬”這個單位，要表示“萬”須借用 thousa

23、nd，如“一萬”用“十個千（ten thousand）” 表示，“十萬”用“百個千（one hundred thousand）”表示。2. 在hundred后通常加上連詞and。若讀數中沒有hundred， 則在thousand后加and。注意：1. 英語沒有“萬”這個單位，要表示“萬”須借用 注4aFill in the blanks with the correct forms of the words in the box.big much popular long old highThe Amazon River is one of the _ rivers in the world.

24、 Its a little _ than the Yangtze River.longestlonger4aFill in the blanks with the 2. Qomolangma is 8,844.43 meters _. 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, it is _ smaller.highpopularbigold

25、ermuchbig much popular long old high2. Qomolangma is 8,844.43 mete4bWrite two comparisons about two topics. Write true 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 a

26、s the Amazon River.4bWrite two comparisons about Two cities: _ and _1. _. 2._ _ .Shanghai SydneyShanghai is as modern as SydneyShanghai is much smaller than Sydney. Sydney isalmost 2 times as big as ShanghaiTwo cities: _ and _Two animals: _ and _1. _. 2. _ _ .a fishA shark is bigger than a fish.A fi

27、sh is smaller than a shark. A shark eats more than a fish.a sharkTwo animals: _ and4cWrite five questions using comparisons. Then ask your partner your questions. 1. _2. _3. _4. _5. _What is the highest building in our city? What is the biggest supermarket in our city? Who is the tallest student in our class?Who is the shortest student in our class? Who sings the best in our class?4cWri