广东省河源市中英文实验学校九年级英语上册 Unit 2 Saving the earth.Topic 1 Pollution causes too many problems Section A讲学稿（无答案） 仁爱版

Unit 2 Saving the earth.Topic 1 Pollution causes too many problems Section A讲学稿（无答案）模块一：温故知新学习内容摘 记复习现在完成时态中，瞬间动词与延续性动词的转换。1. His grandfather _(die) for ten years.2. The film _(begin) for 5 minutes.3. I _(borrow) the book for three days.4. The factory _(open) for 3 years.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 1.请将 P25-26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）曾经去过某地 _ 看见某人/某物正在做某事_某地有某人/ 某物正在做某事_ 一切都变了_ 野炊_土壤污染_ 空气/水/ 噪音污染_/_/_到处乱扔_ 对某人要求严格_垃圾影响我们的环境_Step 3 课文学习 1.理解课文P25-1a，自己读2-4遍。2. 课本P26-3a，认真看图片，然后将它们与所给的单词或短语匹对。然后用3a中的单词或短语完成3b部分的句子。Step 4 句型及词的用法学习-知识点归纳。4.1. The flowers and grass have gone! 鲜花和绿草都消失了。 go 在此处为不及物动词，意为“不复存在；不见了”Eg: The pain has gone. 疼痛消失了。4.2. Look, there are several chemical factories pouring waste water into the stream. 看，有几个化工厂正往小溪里排放废水。【归纳】(1)表达“有某人或某物正在做某事”的句型： _ _+ sth. / sb. + _ sth 【拓展】 There are no people to go there. 没有人要去那儿。 There were few machines to help us do farm work in the past. 过去几乎没有机器帮我们做农活。通过上面两个例句可归纳：表达“有某人/某物（将要/经常/过去）做某事，有做某事的人/物”的结构为： _ _sb./sth _ sth.(2) 表达“ 把倒入; 向投入”的结构：_. _.【拓展】 Pour away the dirty water. 把脏水倒掉。表达“倒掉”的短语：_【练一练】( ) 4.2.1. There is a man _ you at the school gate now.A. to wait B. waiting C. waiting for D. waits ( )4.2.2. There will be no time _ shopping this weekend. A. go B. going C. to go D. going to4.3. People pour waste water into rivers and lakes, so人们往河里、湖里倾倒废水，因此 Its a waste of time. 这是浪费时间。 Dont waste electricity. Turn off the lights when you go out. 别浪费电，出去时关掉灯。【归纳】waste 这个词可以做动词、名词、形容词。请观察上面三个例句，判断三个句子分别是什么词性：句中，是_(词性)，意为：_句中，是_(词性)，意为：_句中，是_(词性)，意为：_当充当动词时，其反义词是：_(节约)4.4. Light pollution is harmful to eyes. 光污染对眼睛有害。 The factory polluted the rivers nearby. 这家工厂污染了附近的河流。【归纳】句中， pollution 是_(词性) ，意为“污染”，是不可数名词。通过句，其动词是：_【练一练】( ) 3.4.1 . Dont throw rubbish into the rivers. You may _ them.A. pollute B. pollution C. polluted D. polluting(2)【拓展】 Sweet food is harmful to childrens teeth. 甜食对孩子们的牙齿有害。 = Sweet food does harm to childrens teeth.【归纳】表达“对某人/某物有害”的结构：_ _ _ sb/ sth. = _ _ _sb./sth. 小组内成员互查完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35分钟 (Cooperation ，Exploration &Show)研讨内容摘 记Step 5 听读（10） 1.教师播放P25-1a的对话，学生跟读。 Step 6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；【研讨内容】 讨论一：核对模块二Step 2 归纳本课时的重点短语或句型。讨论二：核对模块二 Step 4句型及词的用法学习-知识点归纳。讨论三：核对课本P26-3a，3b的内容。Step 7 展示 【大组展示方案】展示任务一：讨论一：模块二Step 2 归纳本课时的重点短语或句型。建议：将本组答案在白板上展示，并带读其他同学的学习气氛。展示任务二：讨论二：模块二 Step 4句型及词的用法学习-知识点归纳部分的(4.1 ；4.2）。建议：将本组答案在白板上展示，并解释短文含义。展示任务三：讨论二：模块二 Step 4句型及词的用法学习-知识点归纳部分的(4.3， 4.4）。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；展示生动活泼，独具特色。模块四：教师精讲（预时7分钟，认真听讲并记录要点）训练内容摘 记课本P25-1b，直接引语与间接引语的转换。教学反思：模块五：当堂训练（预时20分钟）一、 根据句意及首字母提示完成句子。1.The fish smells terrible. It has g_ bad. 2. We call a small narrow river a s_.3.We have a lot of work to do every day. We are as busy as a b_.4.Please b_ deeply if you feel nervous.5.The river isnt clear now because the factory has p_ much w_ water into it.6.Playing computer games too much can i_ your study.二、 单项选择。( ) 1. Reading in bed is harmful _ our eyes. A. at B. to C. in D. on( ) 2.Kangkang said he _ bees dancing here in the future.A. will see B. see C. sees D. would see( ) 3. We _ it with our noses. A. smell B. look C. sound D. taste( ) 4. _ pollution can cause trouble. A. Much too B. Too much C. Few D. Too many( ) 5. Oh, _! Youve made so many mistakes. A. bad luck B. my goodness C. I hope not D. of course( ) 6. Time is knowledge, and time is money; dont _ it, please.A. influence B. influences C. wasted D. waste( ) 7. Were too tired. Lets go out and _ the fresh air. A. breathe B. breath C. to breathe D. to breath( ) 8.The government has done _ to stop the pollution, so the air becomes fresh again.A. useful something B. nothing C. something useful D. anything useful( ) 9.Dont let me _ your decision. You should make it all by yourself. A. cause B. reach C. influence D. get( ) 10. Too much sweet food is _ to your health. Youd better have more vegetables and fruits. A. friendly B. harmful C. useful D. important( ) 11. The teacher asked me to hand in our exercise books to her after class. - _ I left mine at home.A. Forget it! B. Oh, my goodness! C. Dont mention it! D. Good luck!( ) 12. He says he _ Shanghai twice. A. have been to B. has been in C. have been in D. has been to( ) 13. I saw Jack _ soccer there when I walked past the playground. A. to play B. playing C. played D. play提高题（选作）三、阅读理解。When you go shopping ,people in the shop give you at least one plastic bag to carry what youve bought. They are so common that we dont often give them a second thought. There may come a time when plastic shopping bags are no longer used. A small town called Coles Bay, in Tasmania, an island off the south coast of mainland Australia, is making itself an environmental role model by becoming the countrys first plastic bag-free town.Every year Australians use more than 6 billion plastic bags. More than a half of these come from supermarkets. Since it takes years for the bags to biodegrade(生物分解),tens of millions of them end up pollution the environment. They kill about 100 000 sea-birds and animals every year, because the sea-birds and animals mistake the bags for food.Pollution caused by plastic bags is a big headache for countries all over the world. In Chinas capital alone, an average(平均的)of 6 billion plastic bags are used every single day.( )1. When you go shopping in a store, you can often get _. A. free food B. free drink C. plastic bags to carry things D. bags of goods( )2. Coles Bay is becoming an environmental role model town because _. A. it is very beautiful B. it lies on a beautiful island C. people can go there freely D. people there refuse to use plastic bags to protect the environment( )3. Every year over