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1、,Unit 2 Saving the Earth Topic 1 Pollution has caused too many problems . Section A,Have you ever had a picnic?,Kangkang, Jane, Maria and Michael are planning a picnic for Sunday. They will go to the West Hill.,What can you see there?,We can see bees and butterflies dancing.,bee,butterfly,Is the Wes
2、t Hill beautiful?,Guess,We can see,What can you see in the Picture 1?,Step 1 Questions and answers,The flowers and grass have gone!,Oh, my goodness. What a mess!,Look! There are several chemical factories pouring waste water into the stream.,= have disappeared.,Is it beautiful now? What has happened
3、 there?,P27 1a mp3,倒出；倾泻 pour into 把倒入 e.g. Pour red wine into the glass.,1b Listen to 1a and mark the words with P (Past) or N (Now). _ beautiful _ butterflies _ dirty _ grass _ terrible _ factory _ bees _ fresh _ clean _waste water,P,P,N,P,N,N,P,P,P,N,1c Read 1a and complete the sentences in the t
4、able. Then retell 1a to your partner.,beautiful place,lots of flowers and grass,fresh and the water was clean,bees and butterflies dancing,The flowers and grass,so dirty,terrible,chemical factories,waste water,Everything,mess 肮脏，杂乱，困境 shame 羞耻，羞愧 several 几个，数个 waste 废弃的，丢弃的，无用的；浪费 pollute 污染 pour 倒出
5、，倾泻，不断流出 destroy 摧毁，破灭,预习导纲,一.读P27 1a 对话，并划出下列短语。 1.为星期天计划一次野餐_ 2.许多花和草_ 3.看到蜜蜂和蝴蝶在飞舞_ 4.多乱呀 _ 5.闻起来难闻_ 6. 多可惜呀_ 7.几家化工厂_ 8.把污水排进小溪_,二.读下列句子，翻译并探究： 1.The flowers and grass have gone! 译：_ 探究：go在此处为不及物动词, 丢失, 失窃”。 试一试：我的自行车不见了，我找不到它了。 My bike _ _,I cant find it.,2.Look! There are several chemical fact
6、ories pouring waste water into the stream.译：_ 探究： There be + sth./sb. doing sth. 为固定句型, 意为“_ ”。 several意为_, 近似a few, 后接_复数。 waste意为“_”, 可作动词/名词。 waste ones words 白费口舌 Its a waste of time. 这是浪费时间。 waste water 废水 试一试：1. Look! There is a little boy _(cry) in the street. 2.There are some people _(wait)
7、for the bus at the bus stop.,短语及句式： 1. see sb doing 2.There be+sb/sth+doing sth 3.pourinto，cut down 4.What has happened here? 5.The flowers and grass have gone.,Exercises,单项选择 ( ) 1. Look! There are some boys _ on the playground. A. play football B. are playing football C. playing football D. plays
8、football ( ) 2. Im sorry I cant go shopping with you. I am ill. _ A. What a mess! B. What a shame! C. What a pity! D. B and C ( ) 3. Dont _ water. We must save every drop of it. Sorry, I wont do it again. A. waste B. throw C. play D. leave,C,D,A,1. Smoking is harmful _ ones health. A. in B. at C. on
9、 D. to 2. Its only _ of time to speak to her. A. a waste B. waste C. to waste D. wasted 3. There are 30 students _ in this class. A. read B. reading C. read D. reads 4. I feel it is our duty not _ our environment. A. pollute B. polluted C. pollution D. to pollute 5. They _ London on Friday. A. reach
10、ed B. got C. arrived D. arrived to,Exercises,D,A,B,D,A,Exercises,用所给动词的适当形式填空。 1. When I entered the room, I saw Maria _ (read) a Chinese book. 2. What a shame! The flowers and trees in the park _ (go). 3. Everything _ (change) in the past few years. 4. Pandas dont have enough bamboos _ (eat) now be
11、cause of the pollution. 5. Where have they been? They _ (be) to the Great Wall. They _ (have) a good time there the day before yesterday.,reading,have gone,has changed,to eat,have been,had,summary,We learn:,1. Express exclamation: What a mess! What a shame! Oh, my goodness! 2. Know the differences b
12、etween Simple Past and Present perfect. It was a beautiful place. Everything has changed.,We can:,1. Some words: bee, butterfly, mess, shame, several, pour, waste, destroy, pollute, goodness 2. Some phrases: see sb. doing sth. pourinto 3. Some sentences: There aredoing,1.-Are you going anywhere? -I_
13、 about visiting my sister, but I have changed my mind. A. think B. have thought C. will think D. thought 2.(2013河南，24)What_ the noise, Bill? Sorry, I broke my glass. A. is B. was C. has been D. will be 3.(2012河南，32)Id like to introduce my best friend to you, Peter. Thank you, Lucy. But we_ already.
14、A. meet B. met C. will meet D. have met 4.（ 2011河南，33）Excuse me, where is Mr Browns office? Sorry, I_ here for only a few days. A. work B. worked C. have worked D. will work 5.(2010河南，26)Joe, my close friend, moved to Beijing years ago, and I_ him since then. A. dont see B. didnt see C. havent seen D. wont see,14. plan some exciting adventures 计划令人激动的冒险活动 15. go on a cycling trip 进行骑车游 16. spread over 散开 17. on both sides of the way 在路的两旁 18. be in pairs 成双成对 19. kneel down 跪下 20. two and a half hours 两个半小时
