八年级下Unit2 SectionA 1a-2d.docx

Unit 2 Ill help clean up the city parks. Section A 1a2d 教学设计 一、学习目标1.重点词汇用法及短语动词用法。2.学会应用“I could”、“I hope to”等句型,向别人提供帮助。二、重点、难点 ：重点词汇用法及短语动词用法。三、教学步骤（一）导入检查学生预习情况： 翻译下列词组：1. 打扫_ 2. 分发_ 3.使高兴；振奋_ 4. sick children 5. at the food bank 6. after-school study program 7. 想出_ 8. 推迟_ 9. 张贴_ 10. 分发_ 11. 打电话_ 12. 清洁日_13. care for _ 14. used to_ 15. help out_（二）学习课文1. Do you think volunteering is great?2. What will you do if you are a volunteer? Please give some examples.Step1. 看课本1a, 看图片中你能帮助别人的方式。然后列出其他方式，完成1a。Step2. 听读说训练：1. 听一听，填一填，完成1b。2. 朗读1b,勾画有用的表达法: clean up；cheer up; give out; at the food bank 3. 练习上面图片中的对话，然后使用1b中的信息编写对话,完成1c。4.一群学生正在策划一个城市公园清洁日。听录音，并勾出他们为告诉人们关于城市清洁日要做的事，完成2a。5.朗读2b中的句子，再听一遍录音，并填空，完成2b。6.用2a和2b中的信息编写对话，完成2c。7.分角色表演对话，勾画出其中的重点短语，完成2d。Step3.解释重点句型、短语1. You could help to clean up the city parks.1) help作动词,“帮助”。help sb. to do sth.意为：帮助某人做某事如:He often helps me to study English.2) help作名词，“帮助”。 如: Thanks for your help. 谢谢你的帮助。3) clean 可用作形容词，意为“清洁的，干净的”，此外clean 可用作动词，用于以下词组：clean up 打扫清洁或收拾整齐，整理。clean out 打扫某物内部（如：房间，抽屉，箱子等）clean-up （名词）打扫，清洁。练一练：Its time for you to _ your bedroom.I will help you _ the school.Tomorrow is _ day, everyone should try to do some cleaning.2. sick和ill的用法区别sick是形容词,生病的,同义词是ill。区别在于sick在句中可做 定语和表语,而ill只能做表语。如: His father was /sick yesterday, so he didnt go to work.他的父亲昨天病了,因此他没有去上班。Tom has looked after the sick girl for a week. 汤姆照顾那个生病的小女孩已经一星期了。当ill意为坏的,恶劣的时,在句中可做定语。如: He is an ill child. 他是一个坏孩子。3. We need to come up with a plan for the City Park Clean -up Day. 我们需要为城市公园清洁日想出一个计划。解析come up with =think up 想出短语think about 考虑 think of 想起 think over 仔细考虑谚语 Think before you act 三思而后行 We need_(想出) a plan. My mother came up with a good idea which we all agreed to.A. thought about B. thought up C. thought hard4. They told me stories about the past and how things used to be. 他们给我讲过去的故事，并告诉我过去事情是什么样子的。(1) use v.使用useful adj. 有用的 use up 用完Studying English is_ (use).(2) use sth. to do sth. 用某物做某事We use Internet _ (find) information.(3) used to do sth. 过去常常做某事，表示过去做过的事现在已经不做，只用于过去时态。 My mother used_（tell）us story when we were young. He used to _short and _ short hair when he was young. A. have; be B. be; have C. be; be D. have; have(4) be /get used to doing sth. 习惯于做某事My grandpa is used _ (live) in country. He used to wear glasses . But now he is used to wearing contact lenses. 他以前常戴（框架）眼镜，但现在习惯戴隐形眼镜。 (5) be used to do sth. 被用来做某事 =be used for doing sth. Stamps is used _ (post) letters.My brother used to _ up late, but now he is used to _ up early. A. get; get B. getting; get C. get; getting D. getting; getting Keys are used _ the door. A. to open B. to opening C. open D. opening5. Yeah, a lot of old people are lonely. 是的，很多老年人都很孤独。解析alone / lonely 辨析：(1) alone = by oneself adj. 单独的，指无人陪伴的客观事实，不带感情色彩。He often walks alone to home.(2) lonely 指人孤独的，寂寞的，强调主观感受；也可指某个地方是荒凉的The old man lives _，but he never feels _. A. alone; lonely B. lonely; alone C. alone; alone D. lonely; lonelyMy little sister is afraid to stay at home alone. A. quietly B. lonely C. all the time D. by herself He did the work all by himself. A. already B. together C. alone D. lonely四、课后作业 （一） 用所给词的适当形式填空。1. Lets cheer _ (they) up, ok?2. Id like _ (visit) my English teacher tomorrow.3. Ill feel good about _