Unit 4 Section A 1a-1d 课件 2026-2027学年人教版英语八年级上册

Unit 4 Amazing Plants and Animals Section A 1a-1d Learning objectives After this lesson, you’ll be able to: use superlatives to describe and compare plants and animals. recognize the diversity of plants and animals worldwide and appreciate the wonder of nature. develop students’ ability to observe, compare, and think critically about the characteristics of different plants and animals. Let’s talk about the picture. 1. What can you see in the photo? I can see some _____________ and two _________. 2. What are they doing? The bees are _____________________. 3. What do you think of when you see the photo? I think it shows the _________ of nature and the close ___________ among plants, animals, and people. rape flowers bees collecting nectar (花蜜) beauty connection connection n. 联系 /kəˈnekʃn/ Let’s learn some new plants and animals. moss moss /mɒs/ n. 苔藓 blue whale redwood tree cheetah redwood /ˈredwʊd/ n. 红杉；红木 cheetah /ˈtʃiːtə/ n. 猎豹 4 1a Look at the plants and animals. Use the words in the box to talk about them. moss blue whale redwood tree cheetah beautiful big fast heavy large long old small tall short What do you think of the… I think it’s … 5 1b Listen to the conversation and number the plants and animals in 1a. moss blue whale redwood tree cheetah 1 2 3 4 6 Let’s write the superlatives of the adjectives. beautiful big fast heavy large long old small tall short most beautiful biggest fastest heaviest largest longest oldest smallest tallest shortest 写出下列形容词的最高级！ 7 Let’s put these superlatives into the correct boxes. 1. 一般情况下，在词尾加-est。 2. 以e结尾，在词尾加-st。 3. 以重读闭音节结尾，双写词尾加-est。 4. 以“辅音+y”结尾，变y为i加-est。 5. 多音节词和部分双音节词，词前加most。 most beautiful biggest fastest heaviest largest longest oldest smallest tallest shortest 8 1c Listen again. Match the words with the plants and animals in 1a. moss: _________ blue whale: ______ redwood tree: ____ cheetah: ______ heaviest largest most beautiful oldest fastest tallest D A , B F C, E Check the answers: A: What’s amazing about the moss? B: It’s (one of) the oldest plant(s) / animal(s) in the world. 9 Listen and fill the blanks. 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 ______________ animal in the world? Emma: It’s the ___________, right? Yaming: Right. It’s also ________________ animal on earth. Next question. Which animal runs _____________? Emma: Oh wait! I just read about it. The __________ runs the fastest. Yaming: Right again! And I think it’s _____________________ animal in the world. Emma: I completely agree with you. the largest the heaviest the fastest the most beautiful blue whale cheetah Conversation 1 10 Listen and fill the blanks. Conversation 2 Yaming: Now let’s answer the questions about plants. What is ___________ plant in the world? Emma: Hmm, I’m not sure. Do you have any idea? Yaming: Well, I think moss is __________ 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 ___________ in the world? Emma: The ______________, right? Yaming: Yes! I hope I can see some one day. the oldest one of the tallest redwood tree 11 Complete these sentences and learn the sentence patterns. The blue whale is _____________ animal in the world. the largest The blue whale is _____________ animal in the world. the heaviest The redwood tree is ______________ plant in the world. the tallest The cheetah is _________________ animal in the world. the most beautiful _______ + _____ + ______ + _______________ + in / of 范围. “……是……中最……的” 主语 be the 形容词最高级 12 Complete these sentences and learn the sentence patterns. The moss is one of __________ plants in the world. the oldest 2. _______ + _____ + _________ + ____ + _______________ + ___________ + in / of 范围. “……是……中最……的之一” 主语 be one of 形容词最高级 the 名词复数 The cheetah runs __________ among all land animals. (the) fastest 3. _______ + ____________ + ______ + _______________ + among / in / of 范围. “在……中最……” 主语 实义动词 (the) 副词最高级 13 1d Ask and answer questions about the plants and animals in 1a. Amazing plants and animals! What’s the amazing about the blue whale? It’s the largest / biggest animal in the world. 14 Amazing plants and animals! giraffe elephant eagle sloth (树懒) cactus (仙人掌) rafflesia(大王花) lotus (荷花) bamboo 15 Amazing plants and animals! Word Bank short long tall slow fast small large big beautiful old sharp clean quiet lazy smart giraffe The giraffe is ____________ animal in the world. elephant The elephant is ____________ animal among all land animals. eagle The eagle has ____________ eyes among birds. sloth The sloth is ____________ mammal (哺乳动物). the tallest the heaviest the sharpest the slowest 16 Amazing plants and animals! Word Bank short long tall slow fast small large big beautiful old sharp clean quiet lazy smart cactus The cactus can live in ____________ places. rafflesia The rafflesia is ____________ flower in the world. lotus The lotus has ____________ leaves after rain. bamboo The bamboo grows ____________ among all plants. the driest the biggest the cleanest (the) fastest What’s the most amazing plant or animal in your heart? 17 The most amazing plant and animal in your heart! There are different kinds of animals and plants in the world. Let me tell the most amazing plant and animal in my heart. The most amazing plant is ______. It’s the ______ plant in the world. Besides, the most amazing animal is _______. It’s the _______ animal among all _____. Plants and animals are so amazing! They’re our good friends. 18 Let’s watch a video about how ecosystem works. 19 用括号内词语的适当形式填空。 1. Biology is my favourite subject because I have an interest in _______ (plant) and animals. 2. Which city is the ________________ (beautiful), Beijing, Shanghai or Fuzhou? 3. China is the _____________ (big) Asian country and it has a long history. 4. The room was ____________ (complete) dark when the lights suddenly went out. plants most beautiful biggest completely null 108541.555 null 106007.43 $