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课件网) Unit 4 Amazing Plants and Animals Section A Grmmar Focus (3a-3c ) What can plants and animals do Think and Talk Last class, we mainly talked about one plant -- bamboo. Do you remember anything about bamboo Think and Talk the growth of bamboo Bamboo is one of the fastest-growing plants. Some bamboo can grow almost one metre in one day. cultural meaning Bamboo is one of the most popular subjects in Chinese paintings. It’s a symbol of goodness in Chinese culture. It’s one of the most useful plants in the world. People can use it to build houses and make tools and instruments the uses of bamboo Think and Talk moss Moss is one of the _____plants on earth The redwood is the _____ in the world. oldest tallest redwood tree Think and Talk blue whale The blue whale is the _____ animal in the world. It’s also the _____animal on earth. cheetah The cheetah runs the _____. Yaming thinnks it is the _____ animal in the world. largest heaviest fastest most beautiful Think and Talk fastest-growing = oldest = most popular = tallest = most useful = largest = heaviest = fastest = most beautiful = fast___-growing est old___ est _____ popular most tall___ est _____ useful most large___ st heavy--___--___+____ y fast___ est _____ beautiful most i est 3a Read the sentences and notice the words in bold. The blue whale is the largest and the heaviest animal in the world. The biggest land animal in the world is the African elephant. The cheetah runs the fastest among all land animals. I think the most useful plant in the world is bamboo. It is perhaps the most interesting plant in the world. These are adjectives. These are adverbs. 只有_____词和_____词才有最高级形式。 形容 副 3a What are the ways to form a superlative adjective or adverb The blue whale is the largest and the heaviest animal in the world. The biggest land animal in the world is the African elephant. The cheetah runs the fastest among all land animals. I think the most useful plant in the world is bamboo. It is perhaps the most interesting plant in the world. 最高级比较必须要有_____。 范围限制 _____-- largest large _____-- heaviest heavy ____-- biggest big ____-- fastest fast _____-- most useful useful _____-- most interesting interesting Grammar Points 最高级的用法 用 法 表示三者或三者以上（人或事物）的比较，其中一个在某一方面超过比其它几个 一般后面可用带有_____,_____,_____的短语等来说明比较范围。 形容词的最高级前面一般要加定冠词_____,副词最高级前的_____ 可以省略。 in of among the the Grammar Points 最高级的构成 构成方法 最高级 单音节词和部分双音节词 一般情况下，比较级词尾加-_____ tallest；oldest；fastest 以字母____结尾的词，比较级词尾加-___ largest；latest 重读闭音节词尾只有一个辅音字母时,先_____该辅音字母，然后比较级词尾加-___ biggest；fattest；thinnest 以“辅音字母+ ___”结尾的双音节词，先把___改为___，然后比较级词尾加-___ easiest；heaviest；earliest 多音节词和部分双音节词 词前加_____构成比较级 most beautiful；most popular 最高级级规则变 ... ...
