(
课件网) Unit7 What's the highest mountain in the world SectionA(Grammar Focus-4c) 语法公开课 一、语言能力 词汇: ocean, the Pacific Ocean 二、学习能力 复习并掌握形容词和副词三个等级原级；比较级和最高级的用法。 三、思维品质 鼓励学生仔细观察并善于发现总结规律 四、文化意识 通过本节课学习,提高同学们对于保护濒危野生动物的意识。 Enjoy the following song,discuss what the name of song is. stronger 原级：strong 最高级： strongest 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. Grammar Focus：翻译 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. 世界上最高的山是什么？ 珠穆朗玛峰是多高？ 它比任何其他山脉高。 世界上哪个盐湖最深？ 里海是世界上最深的盐湖。 是的，它比美国古老 你知道中国是世界上最古老的国家之一吗？ 语法探究1：如何询问和表达物体的长度、宽度、高度、深度等呢？ 观察并总结: 回答：It's 8,844.43 meters high. _____+_____+_____(long, high, wide, deep…)构成 基数词 度量词 长\高\宽\深 主+be+ 1．—What’s the _____ of the building —It’s 236 metres _____. A.high; high B.height; height C.high; height D.height; high 2．这张桌子有5米长。 The desk is . 3．这块岩石长5米，宽2米。 The rock is five meters long and_____. five meters long 2 meters wide 句型:How+long (wide, high, deep, big, heavy…)+谓语+主语+其他？ What’s the highest mountain in the world Qormolangma. 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. 此句型用比较级表达最高级含义 Grammar Focus：找出比较级和最高级 形容词和副词的原级,比较级,最高级 原级 Positive form 比较级Comparative form 最高级Superlative form 没有比较含义,“……” 两者间比较,“更……” 三者及三者以上比较,“最……” 注意：某些形容词和副词只用原级，如：perfect，excellent，dead等。 一、形容词、副词比较级和最高级变化规则 ①直接加 -er 或 -est tall—_____—_____ long—_____—_____ ②以不发音的字母e结尾的单词直接加 -r 或 -st ③以“辅音字母+y” 结尾,把y变为i,再加 -er 或- est nice—_____—_____ heavy—_____—_____ taller tallest longer longest nicer nicest heavier heaviest ④辅元辅，且重读双写辅音字母再加 -er或 -est ⑤部分双音节词和多音节词 比较级：more+多音节形容词副词原级 最高级：most+多音节形容词副词原级 big—_____—_____ slowly—_____—_____ beautiful—_____—_____ bigger biggest more slowly most slowly more beautiful most beautiful 巧记：大big红red胖fat瘦thin湿wet热hot悲sad 原级 比较级 最高级 good / well better best bad/badly worse worst many/much more most little less least old older/elder oldest / eldest far farther (更远)/ further (进一步的) farthest / furthest 不规则变化：两多两好两坏病 ... ...
