人教版英语八年级上册Unit4 SectionA1a-1d课件

Unit 4 Amazing Plants and Animals Section A What can plants and animals do ?学习目标1，识记关于植物的词汇2，听懂并提取有关动植物的信息3，理解并运用形容词和副词的最 高级结构，描述动植物的奇特 之处3，正确认读元音音素ei ai ɔi……Look and say What can you see in the picture ?I can see the moss on the stone .What do you know about it ?It is one of the oldest plants in the world .Look and say What can you see in the picture ?I can see a blue whale in the sea .What do you know about it ?It is the biggest animal in the world .Look and say What can you see in the picture ?I can see a cheetah in the picture .What do you know about it ?It runs the fastest in the world .Look and say What can you see in the picture ?I can see many redwoods in the forest.What do you know about it ?They are the highest plants in the world . beautiful big fast heavy largelong old small tall short 1aLook at the plants and animals .Use the wordsin the box to talk about them1, 蓝鲸是世界上最大的动物————————————2，红松是世界上最强壮的植物——————————————3，……….1bListen to the conversations and number theplants and animals in 1a in order you hear them12341bListen to the conversations and number theplants and animals in 1a in order you hear them1234听力材料Ella: Oh, what's that, Chen Jie? It's so beautiful! Chen Jie: Thanks. It’s a folding fan. I bought it last year. Ella: Oh! It has a painting of bamboo on it. Chen Jie: Yeah. Bamboo is one of the most popular subjects in Chinese paintings. It’s a symbol of goodness in Chinese culture. Ella: I didn’t know that before. So, where did you get that fan? Chen Jie: At the Bamboo Sea in Sichuan,the largest and oldest bamboo forest in China. I learnt lots of interesting things when I was there. Ella: Really? Like what? Chen Jie: Well,bamboo is one of the fastest-growing plants . Some bamboo can grow almost one metre in one day. Also, it’s one of the most useful plants in the world. People can use it to build houses and make tools and instruments . Ella: Oh, that's interesting. I remember pandas love to eat bamboo too, right? Chen Jie: Exactly ! Actually we eat bamboo shoots too. They're really delicious. 折扇One of …之一（后面跟形容词最高级+名词复数）…的象征，制造工具形容词与副词比较级和最高级构词法： 直接在形容词或副词后加 er 或 est 如： fast-fast er -fast est 2. 以 e 结尾的单词 , 只用在词后加 r 或 st 如： fine-fin er –fin est 3. 重读闭音节 , 辅元辅结构的单词 , 双写最后一 个字母再加 er 或 est 如 : thin-thin ner -thin nest 4. 以 辅音字母加 y 结尾的词，变 y 为 i 再加 er 或 est如： happy-happ ier -happ iest 5.多音节词或部分双音节词，在词前加 more 或 most6. 特殊情况1cListen again .Match the words with the plants and animals in 1a .Some have two answers.A .heaviest B . largest C . Most beatifulD . Oldest E . fastest F . talLestDB AECF1dAsk and answer questions about the plans And animals in 1a课堂练习1，An elephant is ________(big) than horse.2,This is the ______(cute) animal I have ever seen3,Bamboo is one of the ____________（受欢迎的）subjects in Chinese painting.4,______(苔藓）is one of the oldest plantsIn the world.5,_________(蓝鲸）are the largest animals in the sea biggercutestmost popularMossBlue whales家庭作业1，认真识记本节课的词汇2，运用形容词和副词的比较级和最高级 描述你所了解的动植物