广东省河源市中英文实验学校九年级英语上册Unit2Savingtheearth.Topic2Alltheseproblemsarevery

1、Un it 2 Savi ng the earth.Topic 2 All these problems are very seriousSection B 讲学稿(无答案)模块一：温故知新学习内容英汉互译，写出单词或短语。1.结果2. 一天天3. 粗鲁的(adj.)4.举止；行为(n.)5.一开始,初期/6.消失，灭亡7.重要性 (n.):重要的(adj.)_8.( ) Could you please tell me_in today s newspaper? - Sorry,_A. someth ing special; special no thi ngB. special somet

2、h ing; special nothingC. someth ing special; nothing specialD. special someth ing ; nothing special模块二：自主学习(独立进行)预时 20 分钟(Self-study & Self-exploration)学习内容摘记Step 1 词汇学习-请将 P35-36 的新单词在抄写本上每个抄写6 遍，中文一遍。Step 2 短语学习-请同学们在课本上找出下列短语，英汉互译。(要求:短语在课本上划出) What bad weather !砍伐：降低，减少结果大量肥沃的土地变成 stop the w

3、ind from blow ing the earth away(此句的句型：stop sb. fromdoing sth. )prevent the water from washing the earth away(句型：preve nt sb. fromdoing sth.)8产生：形成9关掉：关上【链接】打开：开大10记得要做某事记得做过某事:关小Step 3 课文学习1、 理解课文 P35-1a 对话，并写出树的三个作用(Trees functions)2、 你知道沙尘暴是怎样形成的吗？课本P36-1C，给图片标序号，完成沙尘暴的形成过程。3、 水对人类是非常重要的。请认真阅读P36

4、-2，理解保护和节约水的方法。rStep 4 句型及词的用法学习-知识点归纳。4.1. People havecut down too many trees.译：Tcut down 砍伐；降低；减少：cut 的现在分词：【链接】1) cut sth. in halves把某物切成两半2) cut sth into pieces把某物切成碎片翻译：请把这个苹果切成两半。过去式:过去分词：4.2. As a result, a lot of rich land hascha nged in to=tur ned intodesert.译T(1)change into =变成Eg: Water ha

5、s cha nged into steam.水变成了蒸汽。(2) changeinto =把变成译：寒冷的天气把水变成了冰。4.3. Trees can s top/preve nt the wi nd (from )blowi ngthe earth away.【归纳】：阻止某人/某物做某事译：4.4. And a lot of watercan be saved by forests.译：【分析】can be saved 为含情态动词的被动语态结构，其结构为 “贮存：保留，保存”之意。,save为【链接】save 作动词时，还有挽救，节约”的意思。翻译：我们必须节约每滴水。小组内成员互查完

6、成情况并给予等级评定：模块三：交流研讨(小组交流、合作、展示)预时 30 分钟(Cooperation , Explorati on & Show)研讨内容摘记Step 5 听读(10)课堂评价要素：1、听课本 P35-1a 的短文，然后回答下面两个听力冋题。1、合理评价组员，1） What are they talking about?全员参与 有序2） What causes this kind of bad weather?1-少、1/ J展示；Step 6 合作2、书写规范，工整大组长组织，组员共同探讨下面研讨内容，并形成统一的组内意见；美观，双色毛运用得当；【研讨内容】3 发

7、咅清晰 声咅讨论一：核对模块二 Step 2 归纳本课时的重点短语或句型。3、发曰清晰，声曰讨论一：核对模块一 Step 3 课文学习与出树的三个作用(Tree sfunctions);洪亮；沙尘暴的形成过程；各组齐读P35-1a , P36-2 部分的课文材料 2-3 遍。4、面向全体，自然讨论三：核对模块二Step 4 句型及词的用法学习-知识点归纳。大方，肢体语言运用得当；Step 7 展示【大组展示方案】展示生动活泼，展示任务一：讨论二，模块二 Step3 课文学习-读 P35-1a ;建议：本组读，与其他组 PK 要带动班级朗读气氛。还可以背诵PK 等；独具特色。展示任务二：模块二

8、Step3 课文学习-读 P36-2 部分的课文；建议：本组读，与其他组 PK 要带动班级朗读气氛。还可以背诵PK 等；展示任务三：讨论三，模块二 Step 4 句型及词的用法学习-知识点归纳。建议：将本组答案在白板上展示，并解释短文含义。小组内成员互查完成情况并给予等级评定：模块四：教师精讲 (预时 10 分钟，认真听讲并记录要点)训练内容摘记1、stop/ keep/ prevent sb. from doing sth2、中译英帮助学生背诵可课文。3、 根据字母或首字母提示完成短文。（多媒体核对）Trees are very useful to us. They can help us

9、pthe wind from blow ing theearth away and stop the sfrom movi ng towards the rich land. Trees also swater from running away. They can keep a great dof water. So we must stop peoplefrom cdown too many trees. Otherwise a lot of rich land will change into d,lonly sand. We must get rid of （摆脱）this kind

10、of bad b.教学反思：_模块五：当堂训练(预时 20 分钟)一、用所给词适当形式填空。1.What bad weather! The wind is blowing _ (strong)and the rain is raining(heavy).2. Forests can stop the water from _ (wash) the earth away.3. They (cut) dow n too many trees since last year.4. Remember _ (turn ) off lights when you leave your room.5. It

11、 s very _(importanee) to protect our environment.二、单项选择。()1. My hometow n has cha nged_a new one ithe last three years.A. in B. to C. with D. i nto()2. All the stude nts have gone on a field trip. There is_in the classroom.A. somebody B. an ybody C. everybody D. n obody()3. I m tired of eating wes t

12、ern fast food. Could you give me_ to eat? Sure.What about jiaozi?A. nothing else new B. someth ing else newC. everyth ing new else D. anythingelse new()4. Her pare nts tried to stop her_him, but they failed.A. see B. see ing C. to seeD. to see ing()5.- Would you please_ your radio? Your father is sl

13、eeping.r- Sorry, I ll do it right now.A. turn off B. blow off C. turn on D. blow away()6. Remember_ off the light before you leave the room.A. turni ng B. turn C. to turn D. turns()7. Eat ing too much is_ to your health.A. useful B. helpful C. harmful D. wo nderful()8. Parents should preve nt the childre n_tak ing medici ne by themselves.A. about B. from C. with D. of()9._we were quite tired,_ we still went o