广东省河源市中英文实验学校八年级英语《Unit4 Topic1 Plants and animals are important to us. Section C P81-82第3课时》讲学稿（无答案）

课题 Unit4 Topic1 Plants and animals are important to us. Section C P81-82第3课时 学习目标与要求： 1)通过课文内容复习形容词比较级和最高级的用法；2)谈论地球上水资源和热带雨林的基本状况以及它们对于地球上生物的重要性。3)增强学生保护水资源和森林资源的意识；模块一：自主学习（独立进行）预时30分钟(Self-study & Self-exploration)学法指导&学习内容随堂笔记 Step 1 诵读天地培养语感 (12)1、科代表组织本班同学齐读P128，P81-82页的单词。2、水是生命之源，那你知道水对植物、动物及人类的重要性吗？你了解热带雨林吗？你知道水与热带雨林有什么样的关联? 带着这些问题，请打开课本，先跟读录音P81-1a，P82-2a的内容 1-2遍，并尝试理解短文含义。教师适当点拨一些短语及翻译，学生在短文中做好相关笔记。 跟读后，全班起立，按组群读1a，2a。Step 2自主学习 (16)1. 1.再次自读P81-1a，完成1b；自读P82-2a，完成2b。2.根据 P81，82课本上的信息，在课本划出下列词组或句型，并抄下来，看谁找得又快又准确；翻译下列词汇、短语或句型（从课本中查找，并在文中划出）1.成百万千上万的_ _ _ _ 2. 覆盖(v.)_3.越来越小_ _ _ 4.形成，组成，构成_ _ 5.珍惜每一滴水_ _ _ _ _6.在地球上_ _ 7. 用填满_ _ 8.事实上_ _9.地球的肺_ _ _ _ _10. 使空气更清新_ _ _ _3.自主完成下面知识点归纳，并在课本上划出相应的知识点。不懂的在交流研讨时提出，并认真倾听。(一) Rainforests cover 6% of the earths surface.热带雨林覆盖地球表面的百分之六。【归纳】：1) cover意为“_”； 2)“地球”的表达_ _； 请记住：当表达“世界上独一无二的事物时，前一定要有the”。如：太阳：the sun；月亮the moon 【练一练】（ ）_ sun is much bigger than _ earth. A. The; the B. / ；/ C. A；an D. The；/(二)Thousands and thousands of animals live in rainforests.成百万上千万的动物栖息在雨林中。【归纳】表达“千”的单词是：_；那么表达“百”呢？_根据上面例句可以发现：“成百万上千万的”的短语为：_想想：如何表达以下短语：成百上千的_ _；成千上万的_ _【链接】两千本书 two thousand books ； 四百个学生four hundred students思考：“与具体数字相连时”，hundred，thousand后面是加s，还是不加s ？_ 几千人 a few/ several thousand people (注意：thousand有没有加s)思考：hundred，thousand被_和_修饰时，hundred，thousand也不加s。【练一练】( )1. _visitors come to visit the Great Wall every year. A. Two thousand of B. Thousand of C. Thousands of D. Two thousands of( ) 2. There are several _ students in our school. A. hundred B. hundred of C. hundreds of D. hundreds(三)But, now, rainforests are becoming smaller and smaller, so we should protect them.但是现在雨林变得越来越小。因此，我们应该保护它们。【归纳】表达“越来越小”_ 英语中，表达“越来越”的结构是：_+ and +_【练一练】：越来越胖_； 越来越强壮_【链接】She became more and more interested in music. 她对音乐越来越感兴趣了。【思考】interested是多音节词，当多音节的形容词表达“越来越”时，该如何表达? _ _ _ + _【练一练】：越来越漂亮_； （beautiful） 越来越重要_； （important）Step 3 核对 (2)三人小组相互检查课本上P81-1b，P82-2b的练习完成情况；小声交流，并相互评定等级。（1-5）。 口诀：有s就有of； 无s就无of互评等级：_(1-5)模块二：交流研讨（小组合作、展示、精讲）预时27分钟(Cooperation , Exploration , Show & Improvement)展示内容&展示建议评价方案Step4 合作大组长组织，组员共同探讨下面研讨内容，并形成统一的组内意见；（12）【研讨内容】讨论一：模块一Step2.3知识点归纳讨论二：朗读课文P81-1a;讨论三：朗读课文P82-2a;Step5 展示（15）【大组展示方案】展示任务一：讨论一:模块一Step2.3知识点归纳建议：将本组的答案在白板上展示（字体要大、要工整、要清晰），并能带动全班同学和你们一起齐读出这些重点知识。展示任务二：讨论二：朗读课文P81-1a;朗读建议：组员齐上台，以多种方式朗读课文，争取调动全班的朗读氛围，朗读流利有感情，展示自然大方。（读的方式：领读、分角色读、一口气PK读等）展示任务三：讨论三：朗读课文P82-2a;朗读建议：组员齐上台，以多种方式朗读课文，争取调动全班的朗读氛围，朗读流利有感情，展示自然大方。（读的方式：领读、分角色读、一口气PK读等课堂评价要素：1、 合理评价组员，全员参与，有序展示；2、 书写规范，工整美观，双色笔运用得当；3、 发音清晰，声音洪亮；4、 面向全体，自然大方，肢体语言运用得当；5、 展示生动活泼，独具特色。模块三：练习训练（独立完成）预时3分钟(Practice & Consolidation)根据刚才讲学稿上知识的归纳，完成右侧的翻译。1. 用盖住_ 2. 越来越漂亮_3. 成千上万的_ 4. 地球_ _5. 越来越小_ 教学反思： 河源中英文实验学校两段五环讲学稿（8英）执笔 刘寒燕 审核 教研组长 授课周次 第16周 班级 姓名 课题Unit4 Topic1 Plants and animals are important to us. Section C P81-82第3课时【日日清检测】1.朗读课文和单词(5);2.训练答题：独立完成(15) ;3、互动(整理提高)(10)4.教师点拨(5)基础题。根据首字母提示完成句子。1. Dont swim in this l_. Its dangerous. 2. We should p_ the wild animals.3. In f_, he cant speak English at all. 4. Please save every d_ of water on earth.5. Its d_ here. Please turn on the light.发展题。单项选择。( ) 1.More than five _ people are there.A. thousands B. thousand C. thousands of D. thousand of ( ) 2. She eats too much and becomes _ than before. She wants to lose weight now.A. fat B. fatter C. fat and fatter D. fatter and fatter( ) 3. There are too many boy students in this school. They _66% of the student number. A. make sure B. make for C. make up D. make from( ) 4. _ , humans _live without water. A. In fact; must not B. In fact; can not C. As we know; should not D. As we know; need not( ) 5. The TV is _ for people to watch clearly.A. small enough B. enough small C. large enough D. enough large提高题。一、阅读理解。Do you know why different animals or pests (害虫) have their special colors？Colors on them seem to be used mainly (主要地) to protect themselves.Some birds like eating locusts (蝗虫), but birds cannot catch them easily. Why? Because locusts change their colors according to the colors of crops (庄稼). When crops are green, locusts look green. But as the harvest time comes, locusts change to the same brown color as crops have. Some other pests with different colors from plants are easily found and eaten by others, so they have to hide (隐藏) themselves and appear (出现) only at night.If you study animal life, youll find the main use of coloring is to protect themselves. Bears, lions and other animals move quietly through forests. They cannot be easily seen by hunters (猎人). This is because they have colors much like the trees.A kind of fish in the sea can send out a kind of very black liquid (液体) when it faces danger. While the liquid spreads out, its enemies (敌人) cannot find it, so it can escape (逃跑) at once. That is why it can live long, though it is not strong at all.( )1.From the passage we learn that locusts _.A.are small animalsB.are easily found by birdsC.are dangerous to their enemiesD.change their colors to protect themselves( )2.How can pests with different colors from plants keep out of danger?A.They run away quickly.B.They have the colors much like their enemies.C.They hide themselves by day and appear at night. D.They have to move quietly.( )3.Bears and lions can keep safe because _.A.they have the colors much like the trees B.they move quietlyC.they like brown and grey colors D.they live in forests( )4.Why can the kind of fish live long?A.Because it is very big and strong.B.Because it can send out a kind of very black liquid to help it escape from its enemies.C.Because it can send out a kind of liquid to kill its enemies. D.B