【公开课】人教新目标版八下Unit 7《What's the highest mountain in the world？》SectionA 2d&Grammar Focus-4c 课件+素材包

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人教版 八年级下册2d&Grammar focus-4cUnit 7 What’s the highest mountain in the world?1.能正确运用形容词副词的比较级和最高级进行事物间的比较；2.能用大数描述和谈论自然地理概述。3.进一步掌握比较级最高级的构成及运用。4. 了解我国的悠久历史、灿烂文化和大好河山。It is a man-made object.(人造的)He who has never been to the Great Wall is not a true man.(不到长城非好汉) 中国的长城共有近一万公里，东起河北秦皇岛的山海关，西到嘉峪关，这是明代修筑长城的两个最大关口，北京境内的长城有600余公里，比较著名的有八达岭长城、金山岭长城、司马台长城、慕田峪长城、居庸关长城和箭扣长城等。Read 2d and answer the following questions.1. How long is the Ming Great Wall?2.Which is the most famous part of the Ming Great Wall?3. Why did the ancient emperors build the wall?4. What does the guide say about the wall?If we’re only talking about the parts from the Ming Dynasty, it’s about 8,850 kilometers long.Badaling part of the wall.The main reason was to protect their part of the country. It's quite tall and wide. It's the longest wall in the world. The ancient emperors built it to protect their parts of the country.There are no man-made objects as big as this.Badaling is the most famous part of the Ming Great Wall.= It is the biggest man-made object. =It’s bigger than any other man-made object.Guide: Feel free to ask me anything on today's Great Wall tour.Tourist 1: How long is the wall?Guide: Ah, the most popular question! If we're only talking about the parts from the Ming Dynasty, it's about 8, 850 kilometers long. This makes it the longest wall in the world.Tourist 2: Wow, that's amazing! Why did the ancient emperors build the wall? （可以）随便（做某事）,其后接动词不定式。 n. & v. 旅行；旅游 n. 墙 adj. 令人大为惊奇的；令人惊喜（惊叹）的 adj. 古代的；古老的 n. 旅行者；观光者Guide: The main reason was to protect their part of the country. As you can see, it's quite tall and wide. As far as I know, there are no other man-made objects as big as this.Tourist 3: Is Badaling part of the Ming Great Wall?Guide: Yes, it's the most famous part. v. 保护；防护 adj. 宽的；宽阔的 就我所知 adj. 人造的不定式短语作表语1. Feel free to ask me anything on today’s Great Wall tour. (教材 P50 2d)tour在此处作可数名词，还可以作动词用。They went on a tour around Europe last year. ( n.)We toured Italy for our holiday last year. ( v.)【拓展延伸】tour (v.) + 后缀 -ist → tourist (n.) 旅行者；观光者The tourists (n.) toured (v.) Hong Kong for holidays. They all enjoyed their tour (n.).2. Wow, that’s amazing. (教材 P50 2d)amazing一般用于修饰事物，amazed（感到惊奇的）常用于修饰人。 be amazed at 意为“对……感到惊讶”。The amazing magic show made me feel so amazed.I’m amazed at his rapid progress.经典例句【拓展延伸】类似的以 -ing（令人……），-ed（感到……）结尾的形容词：interesting/interested, surprising/surprised, relaxing/relaxed, moving/moved, tiring/tired, boring/bored, exciting/exited, …3. The main reason was to protect their part of the country.(教材 P50 2d)protect此处用作及物动词, protect… against/from…“保护……免于……”。protection作不可数名词，意为“保护；防卫”。Are we doing enough to protect the environment?He wears sunglasses to protect his eyes against/from the strong sunlight.It’s parents’ duty to provide protection for their children.Let's feel free ______ about the Great Wall. If we are only talking about the parts from ______ ________, it is about 8,850 ______________. This makes it ______________ in the world. The ancient emperors built it _________ their part of country. ___ we can see, It's quite ____ and ____. There are no other man-made _______ as ____as it. And Badaling is _______________ part of the Great Wall.to talkkilometers longthe longest wallto protecttallwideobjectsbigthe most famousAsMing DynastyFill in the blanks according to the conversation.Guide: Feel free to ....Tourist 1: How long ...?Guide: Ah, the ...! If .... This ...Tourist 2: Wow,...! Why ...?Guide:The main reason was ... As .... As far ....Tourist 3: Is ...?Guide : Yes, ... Role-play the conversation.根据课本内容,完成下列句子。 1. 世界上哪座山最高？ What’s the _______ mountain in the world?2. 珠穆朗玛峰最高。 Qomolangma.3. 珠穆朗玛峰多高？ ____________ is Qomolangma?4. 它高8,844.43米。它比任何一座山都高。 It’s 8,844.43 meters _____. It’s _______ than ____________mountain.highestHow highhighhigherany other5. 世界上哪一个咸水湖最深？ Which is the _________ salt lake in the world?6. 在所有的咸水湖中里海最深 The Caspian Sea is the ________ ______ _______the salt lakes.7. 你知道中国是世界上最古老的国家之一吗? Did you know that China is one of the________ _________ in the world. 8. 是的。它比美国历史悠久的多。 Yes, I did. It’s _______ ________ than the US.deepestdeepestof alloldest countriesmucholder大数字的表达和读法大于1000的基数词的表达法：①从数字的右端向左数，每三位数加一个逗点；②第一个逗点前的数为thousand（千）， 第二个逗点前的数为million（百万）， 第三个逗点前的数为billion（十亿）。③读的时候通常在hundred后加and，如果百位数为0，则在thousand后加and。26742, 674thousandandtwo thousand six hundred and seventy-fourhundred1. 从数字右端向左数，每三位数加一个逗点；2. 第一个逗点前的数为thousand（千）；3. 读的时候通常在hundred后加and。1835708918,357,089millionandeighteen million, three hundred and fifty-seven thousand, and eighty-ninethousand1. 从数字右端向左数，每三位数加一个逗点；2. 第一个逗点前的数为thousand（千）；第二个逗点前的数为million（百万）；3. 读的时候通常在hundred后加and，如果百位数为0，则在thousand后加and。32, 304, 4103, 121, 078, 506401, 450, 048302.54 1, 078.306_________ million _____________________ thousand _______________________.thirty-twothree hundred and fourfour hundred and ten_______ billion ________________________ million _________________ thousand __________________.threeone hundred and twenty-oneand seventy-eightfive hundred and six___________________ million ___________________ thousand ______________.four hundred and onefour hundred and fiftyand forty-eight____________________ point __________.three hundred and twofive four_____thousand _______________ point _____________.oneand seventy-eightthree zero six2, 002_____ thousand and ______.twotwoLead in说明人或事物的特征、性质、状态，常用来修饰名词或不定代词的词放在名词、代词之前，作定语，起修饰限定作用 放在系动词之后，做表语作宾补，放在宾语之后，常与make、stay、keep等动词连用。 The beautiful girl is my sister.We are healthy.you must keep your eyes closed.形容词表示行为特征或性状特征的词。主要修饰动词、形容词、其他副词或全句。在句子中做状语 放在动词后修饰V，做状语放在形容词前修饰形容词放在句子开头，修饰整个句子，作状语副词He came in quickly.He is very cool.Unluckly, I did't have time to go to Disneyland .形容词和副词的比较级和最高级一、比较级和最高级的构成1. 规则变化2. 不规则变化“比较级+than any other+可数名词单数”=“比较级+than the other+可数名词复数”表示“比其他任何……都……”, 表示最高级含义， 可与表示最高级的句子进行转换。My father is the tallest one in my family.=My father is taller than any other member in my family.=My father is taller than the other members in my family.可用于修饰形容词和副词比较级程度的副词（短语）有：much, a little, even, a lot, a bit, far等。二、比较级的用法1.（the + ）最高级 + in/of 短语该结构意为“……中最……的”。I think spring is the best time of a year.Tom works (the) hardest in Class 3.2. one of the + 最高级 + 可数名词复数 + in/of 短语该结构意为“……中最……的……之一”。Hangzhou is one of the most beautiful cities in the world.of与in都有“在......当中”的意思。但它们有严格的区别。用of的时候,主语同of后面的词是指同一类的人或物。而用in的时候,主语同in后面的词是指不同类的人或物。二、最高级的用法3. the + 序数词 + 最高级 + 可数名词单数 + in/of 短语该结构意为“……在……中是第几……的……”（从第二开始）。China is the third largest country in the world.4. Which/Who … + 最高级, A, B or C?该结构意为“A，B，C中，哪个/谁最……？”。Which is the biggest, Beijing, Shanghai or Guangzhou?【特别提醒】(1)最高级前有物主代词、名词所有格等修饰时，其前不加the。The Yangtze River is China’s longest river.(2)当most表示“非常”时，其前不加the。It is a most useful book.1. The Amazon River is one of the _________ rivers in the world. It’s a little ________ than the Yangtze River.2. Qomolangma is 8,844.43 meters _______. It’s 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.bigmuchpopularlongoldhighlongestlongerhighpopularbigoldermuch 太平洋 n. 大海，海洋Make comparisons according to the table.The Nile River is the longest river in the world.No river in the world is as long as the Nile River. The Amazon River is one of the longest rivers in the world.The Amazon River is a little longer than the Yangtze River.The Nile River is much longer than the Yellow River.e.g. Two rivers: the Yangtze River and the 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 cities: ________________ and _______________________________________________________________________________________________________________________________________________________________Two animals: ________________ and _______________________________________________________________________________________________________________________________________________________________SingaporeKuala LumpurKuala Lumpur is as modern as Singapore.Singapore is bigger than Kuala Lumpur and has a larger population than Kuala Lumper.RabbitSnail A rabbit is bigger than a snail.A snail is a lot smaller than a rabbit, and it runs much slower than a rabbit.1. ________________________________________________________2. ________________________________________________________3. ________________________________________________________4. ________________________________________________________5. ________________________________________________________What is the highest building in our city?What is the busiest subway station in our city?What is the largest shopping mall in our city?Which is the biggest park in our city?Which is the longest road in our city?Thank You