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1、A: What do you usually do at weekends?B: I usually .Kangkang, Jane, Maria and Michael are planning a picnic for Sunday.Where are they going?What can you see there?We can see bees and butterflies dancing.beebutterfly a place withbeautiful flowersmany hillsgreen treesIt was.grassThe flowers and grass
2、have gone! Look! There are several chemical factories pouring waste water into the stream.There are several chemical factories pouring waste water into the stream.有几家化工厂正在往小溪里排有几家化工厂正在往小溪里排放废水。放废水。 There bedoing sth 有有在做某事在做某事e.g. 看！有一些男生在操场上打篮球。看！有一些男生在操场上打篮球。Look! There are some boys playing baske
3、tball on the playground.1b Listen to 1a and mark the words with P (Past) or N (Now)._ beautiful _ butterflies _ dirty _ grass _ terrible _ factory _ bees _ fresh _ clean _waste waterPPNPNNPPPN1a Listen, look and say.1c Read 1a and complete the sentences in the table. Then retell 1a to your partner.b
4、eautiful placelots of flowers and grassfresh and the water was cleanbees and butterflies dancingThe flowers and grassso dirtyterriblechemical factorieswaste waterEverythingAct 1a out with your partners.(Kangkang, Jane and Michael are planning a picnic for Sunday.)Kangkang, where _ we go?What _ the W
5、est Hill? I _ there two years ago. It was a _ place. There were lots of _ and _. The air was _ and the water was _, and you could _ bees and butterflies _.Sounds great! _ go there.(_ Sunday, they come to the West Hill.)Oh, what a _! The flowers and grass _. The water is so dirty. It _ terrible. What
6、 has happned here?What a _! Look! there are _ chemical factories _ waste water _ the stream.Everything _.Do you still want to _ here?Of course not.shallaboutwentbeautifulflowersgrassfreshcleanseedancingLetsOnmesshave gonesmellsshameseveralpouringintohas changedhave a picnicUseful expressions看见看见.正在正
7、在.真是一团糟！真是一团糟！已经消失已经消失很难闻很难闻真遗憾，好可惜！真遗憾，好可惜！有有.在（做）在（做）.把把.倒入倒入.一切都已经改变。一切都已经改变。see . doing sth.What a mess!have gone = have disappearedsmell terribleWhat a shame!There be . doing sth.pour . into .Everything has changed.2 Work in pairs. Look at the pictures and make up conversations similar to the e
8、xample with your partner.Example:A: There were lots of flowers and grass when I visited the village last year.B: But now the flowers and grass have gone.A: What has happened here?B: The villagers have destroyed them.lake/fishfactory/pollutehill/ treesfarmers/cut downvillage/flowers and grassvillager
9、s/destroyA: There were.B: But now . have .A: What has happened here?B: The.have/has.3 A. Listen to the sentences and number the pictures.1. People _ _ _ too many trees, so I dont have enough leaves to eat.2. I live in trees but now many trees _ _.3. I like leaves and grass, but now they _ _. 4. I _
10、_ hungry for months because of less bamboo.5. Human polluted the sea, so I _ _ _.6. The water _ _ many years ago. But it _ _ _ for me to live in now.B. Listen again and complete the sentences.have cut downhave gone have disappearedhave beendont live happilywas cleanis too dirty单项选择单项选择( ) 1. Look! T
11、here are some boys _ on the playground. A. play football B. are playing football C. playing football D. plays 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
12、do it again. A. waste B. throw C. play D. leaveCDA用所给动词的适当形式填空。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 because
13、of the pollution.5. Where have they been? They _ (be) to the Great Wall. They _ (have) a good time there the day before yesterday.readinghave gonehas changedto eathave beenhad1. Express exclamation: What a mess! What a shame! Oh, my goodness!2. Know the differences between Simple Past and Present pe
14、rfect. It was a beautiful place. Everything has changed.1. Some words: bee, butterfly, mess, shame, several, pour, waste, destroy, pollute, goodness2. Some phrases: see sb. doing sth. pourinto.3. Some sentences: There aredoing Earth Song4 Work in groups and talk about pollution in a place you are familiar with. The following sentences may help you.ago, it was Now, have/ has gone. What has happened? Everything has changed. Oh, my goodness!Thank you.