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课件网) Section A (1a~2e) Unit 4 Amazing Plants and Animals Section A What can plants and animals do Look at the plants and animals. Use the words in the box to talk about them. 1a beautiful big fast heavy large long old small tall short moss: _____ blue whale: _____ heavy, large, long small, old beautiful big fast heavy large long old small tall short redwood tree: _____ cheetah: _____ beautiful, big, fast beautiful, tall Listen to the conversation and number the plants and animals in 1a in the order you hear them. 1b moss blue whale redwood tree cheetah 1 2 3 4 1c Listen again. Match the words with the plants and animals in 1a. Some have two answers. A. heaviest D. oldest B. largest E. fastest C. most beautiful F. tallest moss: _____ blue whale: _____ redwood tree: _____ cheetah: _____ B A E C D F 构成方法 例词 单音节词和部分双音节词 一般情况下，词尾加 -est tall → tallest fast → fastest 以字母 e 结尾的词，词尾加 -st large → largest late → latest 重读闭音节词尾只有一个辅音字母时，双写尾字母，然后加 -est big → biggest thin → thinnest 以 “辅音 + y” 结尾的双音节词，变 y 为 i , 然后加 -est heavy → heaviest early → earliest Let’s learn 形容词和副词的最高级的构成 （规则变化） 构成方法 例词 单音节词和部分双音节词 一般情况下，词尾加 -est tall → tallest fast → fastest 以字母 e 结尾的词，词尾加 -st large → largest late → latest 重读闭音节词尾只有一个辅音字母时，双写尾字母，然后加 -est big → biggest thin → thinnest 以 “辅音 + y” 结尾的双音节词，变 y 为 i , 然后加 -est heavy → heaviest early → earliest 多音节词和部分双音节词 词前加 most beautiful → most beautiful carefully → most carefully 原级 比较级 最高级 good / well better bad / badly worse many / much more little less far farther / further 形容词和副词的最高级的构成 （不规则变化） best worst most least farthest / furthest Let’s learn 最高级，意为 “最……”。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其他几个。 后面可用带有of、in、among的短语等来说明比较的范围。例如： The blue whale is the largest and heaviest animal in the world. The cheetah runs (the) fastest among all land animals. 2. 形容词最高级前一般要加定冠词the，副词最高级前的the可以省去。 Emma: Hi, Yaming. What are you doing Yaming: Hi, Emma. I’m starting a test on animals and plants. Emma: Sounds fun. Let’s take it together. Yaming: OK. First question. What’s the largest animal in the world Emma: It’s the blue whale, right Yaming: Right. It’s also the heaviest animal on earth. Next question. Which animal runs the fastest Emma: Oh wait! I just read about it. The cheetah runs the fastest. Yaming: Right again! And I think it’s the most beautiful animal in the world. Emma: I completely agree with you. Conversation 1 Listen and repeat. Then role-play the conversations. Yaming: Now let’s answer the questions about plants. What is the oldest plant in the world Emma: Hmm, I’m not sure. Do you have any idea Yaming: Well, I think moss is one of the ... ...
