1、=【 ;精品教育资源文库 】 = Unit 13 Were trying to save the earth! Section A (1a 2d) 【学习目标】 1. 学习并掌握下列单词： litter, bottom, fisherman, coal, public, ugly, advantage, cost, wooden, plastic 2. 能正确使用以下常用表达： the bottom of, be full of, used to do sth., play a part in doing sth., clean it up, be badly polluted, too mu
2、ch rubbish and waste, turn? into , cut down, take the bus or subway, instead of, remember to do sth., make a difference, lead to 3. 能熟练掌握并使用下列重点句式： 1) Even the bottom of the river was full of rubbish. 2) It used to be so clean! 3) Everyone in this town should play a part in cleaning it up! 4) The ai
3、r has become really polluted around here. Im really getting worried. 5) To cut down air pollution, we should take the bus or subway instead of driving. 6) Our actions can make a difference and lead to a better future! 【重点难点】 Talk about pollution and environmental protection. Use what we have learned
4、 to talk about pollution and environmental protection. 【新知预习】 I. 根据句意及词首字母完成单词。 1. Even the b_ of the river was full of rubbish. 2. People are l_ in the river. 3. Other a_ of bike riding are that its good for health and it doesnt cost anything! 4. I never take w_ chopsticks or plastic forks when I b
5、uy takeaway food. 5. Our actions can make a d_ and lead to a better future! 【课堂探究】 1. used to? =【 ;精品教育资源文库 】 = (1) used to的意思是 “ 过去经常 ” ，其中的 to是不定式符号，不是介词，所以其后接动词原形(不接动名词 )。如： He used to live in Paris. 他过去一直住在巴黎。 (2) used to 与 be used to 的用法比较 used to 意为 “ 过去经常 ” ，其中的 to 是不定式符号，后接动词原形。 如： He used t
6、o live in Paris. 他过去一直住在巴黎。 be used to 意为 “ 习惯于 ” ，其中的 to是介词，后接动名词。 如： He is used to living in the country. 他已习惯于住在乡下。 【针对练习】 用 used to和 be used to填空 I _ get up late, but now I _ getting up early. 2. should的用法： should 后接动词原形。 1）表示“应该，应当” You should help your mother with the housework. 你应该帮你母亲做家务。 2）
7、表示“可能，该 (=will probably) ” He should arrive soon他可能很快就到了。 3) should与 ought to的比较 除表示“万一”“竟然”等只能用 should 外，表示“应该，应当”“可能”等，两者可互换，只是 ought to 的语气稍重。如： You ought to/should work harder than that. 你应当更努力地工作。 should 强调主观看法，而 ought to 强调客观要求。如： We ought to go and see my mother in hospital tomorrow, but I do
8、n t think we will. 我们按理应当在明天去看看住院的母亲的，但我主认为我们不会去。 【针对练习】 Everyone in this town_ play a part in cleaning it up! 【达标练习】 I. 单项选择。 ( ) 1. My father _ a doctor, but now he is a writer. A. was used to be B. used to be C. is used to be D. was used to being ( ) 2. Look! _ people_? A. Does, litter B. Are, li
9、ttering C. Did, litter D. Were littering ( ) 3. Our actions can _ and lead to a better future. A. be made a difference B. make a difference C. be made a different D. make a different =【 ;精品教育资源文库 】 = ( ) 4. So far, the air _ really polluted around here. I m really _worried. A. has become; getting B.
10、 have become; getting C. has been becoming; got D. has been becoming; got ( ) 5. We think that everyone _ use public transportation. A. must B. should C. could D. might II. 用所给单词的适当形式填空。 1. It used to _ (be) so clean! 2. People are _ (litter) in the river. 3. Everyone in this town should _ (play) a
11、part in cleaning it up! 4. I used to be able to _ (see) stars in the sky. 5. I think simple things like _ (bring) a bag to go shopping can help. III. 根据所给汉 语完成英语句子。 1. 甚至在河的底部也充满了垃圾。 Even the bottom of the river _ _ _ rubbish. 2. 这个城镇的每个人都应该参与到清扫它当中来 Everyone in this town should _ _ _ _ cleaning it
12、up! 3.为了减轻污染，我们应该乘坐公交车或者地铁而不是开车。 To _ _ air pollution, we should take the bus or subway instead of driving. 4. 我一年前就开始那样做了。 I _ _ that a year ago. 5. 我们的行动能够产生影响并且能引领未来更好的发展。 Our actions can _ _ _ and _ _ a better future! IV. 根据句意及首字母提示填空完成对话。 A: Jason and Susan, what are your ideas for (1) s_ these
13、 problems? B: Well, to cut down air pollution, we should take the bus or subway instead of driving. C: Yeah, or ride a bike. Other advantages of bike riding are that its good (2) f_ health and it doesnt cost anything! A: Great ideas! What about waste (3) p_? B: Remember to throw (4) r_ in the cans a
14、nd keep public places clean and beautiful for everyone. A: So together, our actions can make a (5) d_ and lead to a better future! 1._ 2._ 3._ 4._ 5._ =【 ;精品教育资源文库 】 = Time, Time again, I ask myself （请写出这节课你的收获，完成下面的反思） 【学后反思】 _ 九 年级英语第 13单元学案参 考 答案及解析 第一课时 【新知预习】 1.bottom 2.littering 3.advantages 4
15、. wooden 5. difference （解析略） 【课堂探究】 used to, am used to ; should 【达标练习】 I. 1.B used to 意为 “ 过去经常 ” ，其中的 to 是不定式符号，后接动词原形。 2.B Look!提示用现在进行时。 3.B 情态动词后边要用动词原形。 4.A So far提示用现在完成时。 5.B 情态动词的考察。 should 应该 must 必须 could 能够 might 可能性较小。 II. 1. be used to 后跟动词原形。 2.littering 对现在进行时的考察。人们正在扔垃圾。 3.play 情态动词
16、后加动词原形。 4.see be able to+动词原形。 5.bringing 介词 like+动名词。 III. 1.was full of 2.play a part in 3. cut down 4.started doing 5. make a difference ,lead to（解析略） IV. 1. solving 解决问题，介词 for后面跟 doing。 2. for be good for sth. 对 ? 好。 3. pollution 废物污染。 4. rubbish 扔垃圾。 5. Difference make a difference.固定搭配。 =【 ;精品教育资源文库 】 = 【 163 文库：各类精品优质课，公开课课件 ppt;教案，教学设计，各类试题复习资料，工作文档等上百万资源。】 【平台地址： 】
