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课件网) Unit 7 What’s the highest mountain in the world? Section A Grammar Focus -4c To learn to use comparatives and superlatives with adjectives and adverbs To learn new words: the Pacific Ocean… Teaching goals Can you introduce Qomolangma —the Most Dangerous Mountain in the world? Qomolangma Facts Achievements Spirits Description: 1)danger: _____ 2)popularity: _____ Location: _____ Height:_____ Weather: _____ _____ 1953: _____ 1960: _____ 1975: _____ the world’s most dangerous the most popular place for… southwestern part of China 8844.43 meters thick clouds、snow hard、freezing weather… the first people to reach the first Chinese team…. the first woman to … chanllenge themselves never give up be stronger than nature Reason: _____ Spirit: _____ Review Can you translate the following sentences? 长江大约长6,300千米。 The Yangtze River is about 6,300 kilometers long. Review Can you translate the following sentences? 黄河长5,464千米。 The Yellow River is 5,464 kilometers long. Review Can you translate the following sentences? 明朝的长城大约有8,850千 米长。 The Great Wall in Ming dynasty is about 8,850 kilometers long. Review Can you translate the following sentences? 珠穆朗玛峰高8,844.43米， 所以攀登起来很危险。 Qomolangma is 8,844.43 meters high and so is very dangerous to climb. Grammar Focus 朗读“语法聚焦”中的问句和答语， 读一读含“数字”的短语。 2.观察并总结： 8,844.43 meters high，1,025 meters deep， 6,671 kilometers long，这些都是用： + + (long, high, wide, deep…)构成的 3.练一练： （1）2500米深 ， （2）35千米宽 . 基数词 量词 长/高/宽/深 2500 meters deep 35 kilometers wide Grammar Focus What's the highest mountain in the world? Qomolangma. How high is Qomolangma? It's 8,844.43 meters high. It's higher than any other mountain. Which is the deepest salt lake in the world? The Caspian Sea is the deepest of all the salt lakes. Did you know that China is one of the oldest countries in the world? Yes, I did. It's much older than the US. Discussing： 1. 比较级 最高级的构成. 2. 比较级的用法及注意事项。 3. 最高级的用法。 Discussing： 大多数形容词和副词有三个等级： 原级、比较级、最高级。 形容词和副词比较级 最高级的构成 1.构成的规则变化: (1)词前 (2)词尾 2.构成的不规则变化: 1. 形容词、副词比较级和最高规则变化和不规则变化。 规则变化 1) 一般情况下，单音节或双音节的形容词 （或副词）比较级＋er ， 最高级＋est 如： clever－cleverer－cleverest few－fewer－fewest small－smaller－smallest等。 2) 以e结尾的词，比较级＋r，最高级＋st 即可。 如： nice－nicer－nicest cute－cuter－cutest large－larger－largest 3) 以辅音字母＋y结尾的变y为i＋er或est 如: easy－easier－easiest happy－happier－happiest 再如：early , busy , heavy , dirty , lazy也如此。 4) 元音+辅音（重读）双写＋er 或 est fat－fatter－fattest 2. thin－thinner－thinnest 3. hot－hotter－hottest 4. red－redder－reddest 5. wet－wetter－wettest 6. big－bigger－biggest 5) 多音节和部分双音节的词＋more构成比较级，＋the most构成最高级。如： beautiful ... ...
