人教PEP版八年级下册英语同步课件-Unit 7-Section A(Grammar focus-4c) 34页

Unit 7 What's the highest mountain in the world? 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. 1. —世界上最高的山峰是哪个？ — 珠穆朗玛峰。 — What’s ____________ mountain in the world? — Qomolangma. Fill in the blanks according to Grammar Focus. the highest 2. —珠穆朗玛峰有多高？ —它有8844.43米高。它比别的山都 高。 — How high is Qomolangma? — It’s _________________. It’s _______ than any other mountain. 8844.43 meters high higher 3. —世界上最深的咸水湖是哪个？ —里海是世界上最深的咸水湖。 — Which is ___________ salt lake in the world? — The Caspian Sea is _________________________________. the deepest the deepest of all the salt lakes 4. —你知道中国是世界上最古老的国家 之一吗？ —我知道。中国比美国古老。 — Did you know that China is ______________________ in the world? — Yes, I did. It’s much older than the US. one of the oldest countries 我们已经学习过形容词和副词的比较级和最高级的构成及基本用法。下 面我们进一步学习与其相关的其他知识点。 ◆形容词和副词比较级的修饰语 1. 比较级前可加much, a lot, a bit, a little, any, no, some, even, still等词修 饰。如： You must work much faster. You look a lot happier than you did yesterday. He was too tired to walk any further. This book is even more useful than that one. 2. 比较级前还可加其他表示数量的词。如： My sister is ten years younger than me. We reached here two days earlier than the others. ◆形容词和副词最高级的其他用法 1. 形容词最高级可被second, third等序数 词修饰。如： The building is the second tallest in this city. 2. 形容词最高级常用于句型“one of +the+ 形容词最高级+可数名词的复数形 式”，意为“最……之一”。如： Liu Li is one of the most popular girls in our class. 3. 形容词和副词的比较级和最高级可以互 相转换。如： Jane is taller than the other girls / any other girl in the club. = Jane is the tallest girl in the club. 1. 比较级考点 ① 比较级修饰问题 a little, a bit, even, still, much, a lot, far 等可修饰比较级。 e.g. Tom is a little taller than Jim. This book is much more interesting than that one. ② the+比较级 e.g. Lucy is the fatter of the two girls. ③ “a/an + 比较级” 表示“又一，再一” e.g. Lily has a doll, but she wants a bigger one. ④ 隐性比较（没有than的情况） e.g. Who runs faster, Lucy or Lily? You’d better come earlier next time. He worked hard last term, but he works even harder this term. ⑤ 越来越...... a. 比较级+and+比较级 b. the+比较级+句子，the+比较级+句子 e.g. It’s getting colder and colder. The more you exercise, the better you are. 2. 最高级考点 说明：形容词的最高级前必须加the；副 词的最高级前省略the。 ① 范围问题 e.g. Tom is the tallest student in the class. Spring is the best season of the year. ② “......之一”问题 e.g. Beijing is one of the biggest cities in the world. ③ “the+序数词+最高级” e.g. I think he is the second tallest boy in his class. 3. 比较级和最高级的转换 e.g. Tom is the tallest student in the class. = Tom is taller than any other student in the class. = Tom is taller than all the other students in the class. = No other students are taller than Tom. 总结：① any other + 名词单数 the other + 名词复数 ② 否定 + 比较级 = 最高级 比较级 + 极限 = 最高级 同级比较 ① as + adj./adv. + as e.g. She is as thin as Lily. He writes as carefully as Linda. ② not + as/so + adj./adv. + as e.g. Tony didn’t run so fast as Carter. Fill in the blanks with the correct forms of the words in the box. big much popular long old high 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. longest longer high popular 3. No ocean in the world is as ________ as the Pacific Ocean. 4. Although Japan is _________ than Canada, it is _________ smaller. big much popular long old high big older much Write two comparisons about two topics. Write true facts. e.g. Two river: ________________ and ____________________ __________________________________________ __________________________________________ __________________________________________ the Yangtze River the Amazon River The 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 animals: ___________ and _________ 1. ___________________________________ 2. ___________________________________ _____________________________________ Monkey Dog A dog is bigger than a monkey. A monkey is smaller than a dog, but it climbs a tree faster than a dog. Two cities: ___________ and _______________ 1. ___________________________________ 2. _____________________________________ _______________________________________ Singapore Kuala Lumpur Kuala Lumpur is as modern as Singapore. Singapore is bigger than Kuala Lumpur and has a larger population than Kuala Lumpur. Write 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 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? the Nile the Yangtze River the Yellow River 6,671km 6,300km 5,500km The Yellow River is long. The Yangtze River is a lot _______ than the Yellow River. The Nile is ____________ of all. longer the longest I. Complete the sentences using the information in the forms. The Yangtze River is not ____ long ____ the Nile. = The Yangtze River is not _______ than the Nile. as as longer the Nile the Yangtze River the Yellow River 6,671km 6,300km 5,500km Mount Tai is high. Mount Huang is a little _______ than Mount Tai. Qomolangma is ____________ of all. Qomolangma Mount Huang Mount Tai 8,848m 1,864m 1,545m Mount Tai is not ___ high ___ Qomolangma. = Mount Tai is not _______ than Qomolangma. higher the highest as as higher 1. The population of Singapore is large. 2. The population of Malaysia is much ______ than that of Singapore. 3. The population of China is _________ of all. Singapore Malaysia China 4,000,000 20,000,000 1300,000,000 larger the largest 4. The population of Singapore is not _____ large ____ that of China. 5. The population of Singapore is not _______ than that of China. Singapore Malaysia China 4,000,000 20,000,000 1300,000,000 as larger as Ⅱ. 根据句意，用括号内所给单词的适当形 式填空。 1. The snow here was ______ (thick) than that over there. 2. I think mountain climbing is ______________ (dangerous) than running. 3. Of all the boys, Dave is the _____________ (outgoing). 4. Which mountain rises _________ (high), Mount Tai, Mount Huang or Mount Tianzi? 5. This road is almost as _____ (long) as that one. thicker more dangerous most outgoing highest long Ⅲ. 根据汉语意思完成英语句子，每空一词。 1. 我觉得滑冰是最受欢迎的运动之一。 I think skating is ___ __ ___ ____ _______ ________. 2. 这只熊猫看上去比那只壮得多。 This panda looks _____ ________ than that one. 3. 马比猫重许多倍。 The horse weighs _____ _____ ____ _____ the cat. one of the most popular sports much stronger many times more than 4. 在这里双龙湖比其他任何湖都深。 Shuanglong Lake is ______ ____ ___ _____ lake here. 5. 格林城与阳光城一样古老。 Green City is __ ___ __ Sun City. deeper than any other as old as 最高级用于三者或三者以上之最，常与in, of 或 among 等表示范围的介词短语连用。 形容词最高级前要加定冠词 the e.g. I am the best of the three. He is the thinnest boy in my class. 副词最高级前可以不加定冠词 the e.g. In my family, Jim goes to bed the latest. 最高级和比较级有时可以互相转换, 但要注意 比较的范围。 1. Memorize the important structure. 2. Make some sentences using as … as, ... times … than, less than, more than.