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1、Topic 1 Pollution has caused too many problems.Section A一、学习目标：1、会正确使用一般过去时与现在完成时，了解两种时态的区别。2、掌握以下生词、短语：bee, butterfly, moss, shame, several, pour, stream, bamboo, What a mess! What a shame, pourinto3、了解污染，要学会保护环境。二、自主预习：Task 1：用动词的正确时态填空：1、I _(see) the film last week. It _(be) interesting.2、I _ eve
2、r _(see) the film. I dont want to go to day.3、My father _(be) a teacher twenty years ago. But now he _(be) an office worker.4、My father _(be) a teacher for twenty years. His students like him very much.5、I _(call) you yesterday evening.Sorry. I _(be) in the shop with my mother.6、You look very nice i
3、n your new dress today.Oh, really? I _(buy) it when it was on sale.7、How long _ Robert _(study) in this school?Since 2012.8、_ you _(have) your breakfast yet?Yes. Mom _(cook) it for me.9、Long time no see! I think you _(change) a lot.Task 2：写出下列短语与生词。1、西山2、花草3、看到蜜蜂和蝴蝶在飞舞4、多么脏乱啊！5、多么遗憾啊！6、几座化工厂7、把倒入8、废
4、水9、清澈的小溪10、更少的竹叶Task 3：你感觉你周围的环境在变吗？变得怎样？请用一个词来形容，可以列举更多罗！river_noise_air_weather_trees_animals_三、合作探究：Task 1：Listen to 1a.1、Listen and finish 1b.2、Listen and finish 1c.Task 2：Read1、Read and find out the two kinds of sentences.(一般过去时和现在完成时的句子)2、Read and discuss.a. The flowers and grass have gone.go：
5、_e.g. 我的新自行车不见了。_b. There are several chemical factories pouring waste water into the stream.there be+sth/sb. doing sth_e.g. 看！有个小女孩在街上哭。_pourinto_e.g. 请把糖倒入杯里。_waste：n.浪费e.g.浪费时间_v.浪费e.g.浪费时间_adj.废弃的e.g.废水_c. What a shame! =_.Task 3：RetellTwo years ago the West Hill was a _ place. There were lots o
6、f _ and _. We could see bees and butterflies _. And the air was _ and the water was _. But now everything _ _. The water is _ and smells _, because there are _ chemical factory _ waste water _ the stream. And the flowers and grass _ _.四、当堂评价：1、Act out 1a.2、Practice in pairs. Finish 2.3、Listen and finish 3.五、拓展提升：Work in groups and talk about pollcotion in a place you are familiar with.六、课后检测：Section A.
