八年級(jí)下冊(cè)u(píng)nit7SectionA課件

1、 Unit 7 Whats the highest mountain in the world？ Section AThe second longest riverin the world -Do you know its name? -It is Amazon. -Do you know how long it is? -Its about 6,500 kilometers long.The worlds highestmountain in the world.Do you know howhigh it is?It is 8,844 metershigh. QomolangmaDo yo

2、u know Sahara is the biggest desert in the world?Yes, it is about 9,600,000 square kilometers in size. Saharasize n.1. 大小大小CUWhats the size of the park?2. 尺碼尺碼,號(hào)號(hào)CThis shirt is your size.The worlds deepest salt lake The Caspian SeaDo you know that how deep the worlds deepest Salt lake?Yes, it is 1,0

3、25 meters deep.The longest river in Asia. The Yangtze RiverDo you know that the Yangtze River is the longest river in Asia?Yes, it is 6,300 kilometers long. Its 8,844 meters high. 它有它有8,844米高。米高。 It is meters high (long, wide). 它它米高（長(zhǎng)米高（長(zhǎng),寬寬)?！坝卸嚅L(zhǎng)（寬，高有多長(zhǎng)（寬，高）”時(shí)，時(shí)，將數(shù)詞和數(shù)量單位放在表示長(zhǎng)寬將數(shù)詞和數(shù)量單位放在表示長(zhǎng)寬高的形容詞前高的

4、形容詞前翻譯句子翻譯句子 1.這張桌子兩米長(zhǎng)，一米寬。這張桌子兩米長(zhǎng)，一米寬。2.這座山有這座山有1500米高。米高。 3.這棟樓這棟樓120米高。米高。4.這本字典有五厘米厚。這本字典有五厘米厚。5.這個(gè)湖有多深？這個(gè)湖有多深？ 1025米深。米深。The table is two meters long and one meter wide.The mountain is 1,500 meters high.The building is 120 meters tall.The dictionary is five centimeters thick.How deep is the lak

5、e? Its 1,o25 meters deep. 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.1b. Listen and complete the sentences.higherthe biggestthe deepestthe longest1c. Use the informati

6、on in 1b to make conversations.A: What is the 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.A: What is the longest river in the world? B: Nile._ The Yangtze River is about _kilometers l

7、ong 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.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 U

8、S is not even_ years old._ China is 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

9、the world. Its a lot bigger than the 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

10、is one of the oldest countries in the world?B: Yes, I did. Its much older than my country.2c. Make conversations using the information in 2a.1 Feel free to ask me anything on todays Great Wall tour.在今天的長(zhǎng)城游中，大家盡管隨意問(wèn)我任在今天的長(zhǎng)城游中，大家盡管隨意問(wèn)我任何問(wèn)題。何問(wèn)題。feel free to do sth 隨意做某事隨意做某事Can I use your bathroom?Yes,

11、 feel free.2 ancient adj.古代的古代的 古老的古老的My grandmother often tells me old ancient stories.3 protect v.保護(hù)保護(hù)Sunglasses are used for protecting our eyes in the sun.4 As far as I know, there are no man-made objects as big as this.據(jù)我所知，再?zèng)]有像它這樣在的人造物體據(jù)我所知，再?zèng)]有像它這樣在的人造物體了。了。as far as I know 據(jù)我所知據(jù)我所知As far as I

12、 know , Tom has a twin sister.5 achievement n.成就成就 成績(jī)成績(jī) achieve v.This is a wonderful achievement in Chinese history.6 southwestern adj. 西南的西南的 southwest n.Our hometown is in the southwestern part of this city.7 thick adj.厚的厚的 濃的濃的There is thick fog in the morning in this mountain area.8 Even more s

13、erious difficulties include freezing weather conditions and heavy storms.更加嚴(yán)峻的困難包括極冷的天氣狀況和巨大的更加嚴(yán)峻的困難包括極冷的天氣狀況和巨大的風(fēng)暴。風(fēng)暴。1）difficulty 困難困難 If you have any difficulties, you can call me for help.We found the house without difficulty.2）include v. 包括包括Our subjects include Chinese , English math and so on

14、.9 freezing adj. 冰凍的冰凍的It is freezing outside, and put on your winter coat.10 condition n. 條件條件 狀況狀況The piano was in good condition.11 take in Large fish takes in small fish in the sea .12 succeed v.成功成功 success n. successful adj. successfully adv.I hope she will succeed soon by working hard.13 chal

15、lenge v.挑戰(zhàn)挑戰(zhàn)It is a big challenge for the girl to do housework by herself.The boy challenged his friend to a fight after school.14 in the face of 面對(duì)面對(duì)They showed their courage in the face of difficulty.15 The spirit of these climbers shows us that we should never give up trying to achieve our dreams

16、.這些登山者的精神向我們表明：我們決不應(yīng)該這些登山者的精神向我們表明：我們決不應(yīng)該放棄實(shí)現(xiàn)自己的夢(mèng)想的嘗試。放棄實(shí)現(xiàn)自己的夢(mèng)想的嘗試。1）give up doing sth 放棄做某事放棄做某事He gave up smoking after he got out of the hospital.2）achieve our dream實(shí)現(xiàn)。實(shí)現(xiàn)。=make our dream come trueHe achieved great success in a short time.16 force n. 力量力量The army was the most important force in th

17、e country. 17 nature n. 大自然大自然The beauty of nature makes people forget trouble.longestlongerhighpopularbigoldermuchReview adj n long length wide width deep depth high height tall tallness thick thickness 。的高度。的人口。的長(zhǎng)度。的速度每小時(shí)人造建筑the height of the population ofthe length ofthe speed ofper hourman-made

18、structures你能寫(xiě)出它的同義句嗎你能寫(xiě)出它的同義句嗎 ？The mountain is 1,500 meters high.The mountain is 1,500 meters in height.The height of the mountain is 1,500 meters.世界最高的山最長(zhǎng)的河第二長(zhǎng)河最大的沙漠竹林最普遍的動(dòng)物人口最密集的地方最古老的文明國(guó)家之一像。一樣the worlds highest mountainthe highest mountain in the worldthe longest riverthe second longest riverth

19、e biggest desertbamboo foreststhe most common animalsthe most populated placeone of the oldest civilizationsasas1) The Sahara is the biggest desert in the world.形容詞最高級(jí)前通常必須用定冠詞形容詞最高級(jí)前通常必須用定冠詞 the，副詞最高級(jí)前可不用。副詞最高級(jí)前可不用。形容詞形容詞most前面沒(méi)有前面沒(méi)有the，不表示最高，不表示最高級(jí)的含義，只表示級(jí)的含義，只表示非常非常。It is a most important problem

20、.=It is a very important problem.Grammar 注意注意: 使用最高級(jí)要注意將主語(yǔ)包括在比使用最高級(jí)要注意將主語(yǔ)包括在比較范圍內(nèi)。較范圍內(nèi)。(錯(cuò)錯(cuò)) Tom is the tallest of his three brothers.(對(duì)對(duì)) Tom is the tallest of the three brothers.2) 下列詞可修飾最高級(jí)，下列詞可修飾最高級(jí)，by far, far, much, mostly, almostThis hat is nearly / almost the biggest.注意：注意：a. very可修飾最高級(jí)可修飾最高級(jí)

21、,但位置與但位置與much不同。不同。This is the very best.This is much the best.b. 序數(shù)詞通常只修飾最高級(jí)。序數(shù)詞通常只修飾最高級(jí)。Africa is the second largest continent.3) 句型轉(zhuǎn)換：句型轉(zhuǎn)換：Mike is the most intelligent in his class.Mike is more intelligent than any other students in his class.4) 否定詞語(yǔ)否定詞語(yǔ)+比較級(jí)比較級(jí)，否定詞語(yǔ)否定詞語(yǔ)+ so as結(jié)構(gòu)表示最高級(jí)含義。結(jié)構(gòu)表示最高級(jí)含義。Nothing is so easy as this.=Nothing is easier than this.=This is the easiest thing.1. -Which is _ season in Beijing? (2003年年) -I think its autumn.A. good B. better C. best D. the best 該題的核心詞