内蒙古巴彦淖尔市乌中旗二中九年级英语上册《Unit 2 Saving the Earth Topic 3 What kinds of things can we do to protect the environment Section B》学案（无答案） 仁爱湘教版.doc

九年级英语上册unit 2 saving the earth topic 3 what kinds of things can we do to protect the environment section b学案（无答案）学习目标1 学习用ought to 句型提建议。2从身边的小事做起，师生一起保护环境，做一个环保人。 课前预习2. 预习1a、1b，翻译重点短语和句型1)一名环保使者 _ _ _ 2)应该 _ _ 3)关掉（灯，） _ _ 4) 代替 _ _ 5) 短距离旅行 6)节能 _ _ 7) 减少空气污染 _ _ _ 8)easier said than done 9)actions speak louder than words 10）减少废品_ _ 11) 节约用电 _ _12) 日常生活 _ _3. 语言点导学:（1）ought to :情态动词，无人称和时态变化，后接动词原形，意为“应该，应当”。 e.g. we ought to work hard. 否定式在ought前加not；疑问式ought提前。教师备课栏及学生笔记栏教师备课栏 及学生笔记栏e.g.: you （不应该）go to bed so late .想一想: ought to的反意疑问句中,附加疑问句部分用 _ we ought to go out now, _ we ? (2) turn off 关掉，关闭（设备）；切断（水，电或煤气） will you _ the television _, please?链接：turn on _; turn up _ turn down _(3) may i have your attention, please? 请（大家）注意了！ = attention, please? 这是通知的开头语，用来引起注意。(4) the clean-up starts at 9:30 a.m. and finishes in the afternoon. 清洁活动从上午九点半开始，到下午结束。clean-up n.清扫；清除（污染物）；清理这里的“starts” 是用一般现在时表将来，表示按日程将要发生的动作或事件，或者事先安排好的动作。常用于这种情况的动词有：arrive, begin, come , start, end, leave, go, stop, return, finish, stay, open, close 等。句中常有表示将来时间的状语。e.g. - when does this term begin? - it begins next week.(5) on time 意为“准时”; in time 意为“及时”。 he gets to school every day _luckily, the doctor went there _. he was saved.课堂活动 1.预习检测 2.学习并练习ought to句型。3. read 1a, then answer the following question:if you want to be a greener person, what should you do？discuss: what else should we do?_4.熟读1a，填空。 michael would like to be a _ _(环保使者). first, he _ _(应当) turn off the lights when he (离开) a room. second, hed better walk or ride a bike （代替）taking a bus or taxi if he is （短距离旅行）.that will （节能）and （减少空气污染）.third, he should _ _ _ _（带一个布袋）when he goes shopping and cant use (塑料袋) . （说起来容易做起来难）.it depends on actions. (事实胜于雄辩).5.在书上完成1b。 6. read 2a and answer the questions:(1) what are the children going to do tomorrow? (2) when does the clean-up start and finish?(3)what will they do after lunch?课后巩固1. well go to the beach to clean the rubbish tomorrow. please get to school _. a. on time b. in time c. at times d. have a g教师备课栏及学生笔记栏教师备课栏 及学生笔记栏for long.3. he is driving a car _ (低速)。4. a farmer in england used animal waste _(run) his car.5. animal waste is used for _(produce) biogas in many places.6. china is one of the first countries _(send) man-made satellite in the world ii . 用所学过的并列连词填空。iii . 根据短文意思，用“reduce ，reuse ，recycle” 填空。_ means “ use less ” .dont waste things. this saves money and reduces pollution and waste going into the environment. _ means “use again”, use things for as long as possible .when we buy things , make sure that they last a long time . _ means “change things into som