(
课件网) Section A 1a-2c Unit 13 We're trying to save the earth! Learning objectives 1. 在语境中理解、识记并运用本课时词汇： litter ,ugly,at the bottom of the river be full of the rubbish, throw litter into the river,play a part in 等。 2. 通过听力活动练习，能精准提取关键信息，锻炼思维的逻辑性。 3.能运用本单元词汇和句式谈论环境污染和环境保护的话题。 4. 能够用与污染相关的词汇，对环境污染和环境保护进行简单描述。 litter bottom fisherman coal ugly v. 乱扔 n. 垃圾；废弃物 n. 底部；最下部 n. 渔民；钓鱼的人 n. 煤；煤块 adj. 丑陋的；难看的 Check Words speak out the Chinese immediately. 请认真阅读课文，找出下列重点短语。 1. 在河床底部____ 2．充满了垃圾____ 3.把垃圾扔入河中____ 4．尽一份力去干某事____ 5.使空气中充满了黑烟____ 完成下列句子。 6. Everyone in town _____. 城里的每个人都应当尽一份力把它清理干净。 7. The air _____ because there are _____ cars on the road these days. 空气被严重污染因为如今路上的汽车太多了。 Translate into Chinese. 1、at the bottom of the river 2、be full of the rubbish 3、throw litter into the river 4、play a part in doing sth. 5、fill the air with black smoke 6、play a part in cleaning it up 7、is badly polluted ，too much The keys： Why What When It is on April 22. It was first celebrated in 1970. The earth is more polluted. The theme is to protect the environment and save the earth. Plant trees. Save energy and water. Take public transportation. Use plastic or wooden things less. …… Earth Day Lead in What's wrong with the earth The earth is polluted. We're harming our planet in so many ways. In our daily life, what kind of pollution can you think of What has caused each kind of pollution air pollution water pollution noise pollution loud music cars rubbish planes littering ships factories smoking building houses mobile phones noise pollution _____ _____ _____ _____ air pollution _____ _____ _____ _____ water pollution _____ _____ _____ _____ loud music planes mobile phones factories cars smoking ships factories littering rubbish building houses building houses machines/ crowds… burning/ chemical materials… industrial waste … Predict what Tony and Mark are talking about according to the chart.Predict the answers before listening. Pre-listening What was the problem The river was _____. Even the bottom of the river was full of _____. There were no more _____for fishermen to catch. What caused the problem People are throwing _____ into the river. Factories are putting _____ into the river. How should the problem be solved We should write to the _____ and ask them to _____ the factories. Everyone should help to _____the river. 请认真阅读句子，分析每空应填词性，预测所填内容 n. 底部；最下部 反义词是top (顶端；顶部) fisherman n.渔民；钓鱼的人 Listen and complete the sentences. 1b What was the problem The river was _____. Even the bottom of the river was full of _____. There were no more _____for fishermen to catch. What caused the problem People are throwing _____ into the ri ... ...
