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课件网) Unit 4 Amazing Plants and Animals 八年级英语人教版·上册 Section A (1a-Pronunciation) 一、新课引入 Do you know them kangaroo lion cheetah 一、新课引入 Compare their speed! fast faster the fastest 一、新课引入 talk about some more amazing animals or plants Free talk 二、新课讲解 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 beautiful big fast heavy large long old small tall short moss: _____ redwood tree: _____ blue whale: _____ cheetah: _____ 二、新课讲解 Language points old 旧的；年老的 old是读音以元音音素开头的单词，修饰单数名词时，其前若用不定冠词，则用an。 Mr Green is very old; he is an old man. 格林先生很老了，他是位老人。 This bike is very old. 这辆自行车很旧。 二、新课讲解 Language points 【拓展】elder作形容词，意为“年纪较长的”，其反义词为younger (较年轻的)。 His elder son Tom became a lawyer. 他的大儿子汤姆当了律师。 【辨析】elder与older 词汇 含义 用法 elder 年纪较大的 (指人) 用来比较年龄大小，尤其是兄弟姐妹之间的关系，只能作定语，不能与than连用 older 年龄较大的 (指人)；更旧，较旧的 (指物) 在句中既可作定语，也可作表语，还可与than连用 Listen to the conversations and number the plants and animals in 1a in the order you hear them. 1b 二、新课讲解 moss redwood tree blue whale cheetah 1 2 3 4 Conversation 1 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. 二、新课讲解 Listen and check the answer. on earth 在地球上；世界上 read about 读到；查阅到 agree with sb 同意某人的看法 Conversation 2 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 oldest plants. It appeared on earth around 470 million years ago ... Oh, look here. I’m correct! Emma: Interesting! Let’s go on! Yaming: Which kind of tree is the tallest in the world Emma: The redwood tree, right Yaming: Yes! I hope I can see some one day. 二、新课讲解 Listen and check the answer. one of the + 形容词最高级 + 可数名词复数 最……的……之一 one day 某一天 cheetah: _____ blue whale: _____ 二、新课讲解 Listen again. Match the words with the plants and animals in 1a. Some have two answers. 1c beautiful big fast heavy large long old small tall short A. heaviest B. largest C. most beautiful D. oldest E. fastest F. tallest moss: _____ redwood tree: _____ D A, B F C, E Conversation 1 Emma: Hi, Yaming. What are you doing Yaming: Hi, Emma. I’m startin ... ...
