Unit 13 We're trying to save the earth! 第一课时 Section A (1a～2d) 类别 课时要点 重 点 单 词 1.litter v．乱扔；n.垃圾 2.ugly adj.丑陋的 3.advantage n．优点 4．cost v．花费 5.wooden adj.木制的 6.bottom n．底部 7．fisherman n．渔民 8.coal n．煤 9.plastic adj.塑料的 10．takeaway n．外卖食物 11.bin n．垃圾箱 重 点 词 组 1.at the bottom of the river在河床底部 2．be full of the rubbish充满了垃圾 3．throw litter into the river把垃圾扔入河中 4．play a part in cleaning it up尽一份力把它清理干净 5．land pollution土地污染 6．fill the air with black smoke使空气中充满了黑烟 7．cut down air pollution减少空气污染 8．make a difference产生影响 重 点 句 式 1.Everyone in town should play a part in cleaning it up.城里的每个人都应当尽一份力把它清理干净。 2．The air is badly polluted because there are too many 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。 3．To cut down air pollution，we should take the bus or subway instead of driving.为了减少空气污染，我们应当乘坐公汽或地铁而不是开车。 4．Our actions can make a difference and lead to a better future .我们的行动能产生影响，创造一个更好的未来。 5．I used to be able to see stars in the sky.我过去能在天空中看到星星。 6．The air has become really polluted around here.I'm getting very worried.这儿的空气真的已经被污染了，我非常担心。 §自主学习案 根据汉语提示完成单词。 1．We should put up notice to stop from littering_(乱扔)． 2．The teacher asked us to find a way to pick up the coins at the bottom (底部)of the bottle. 3．There are no more fish for fishermen (渔夫)to catch in the river. 4．We should take the paper bags to go shopping instead of the plastic (塑料)ones. 5．Could you please tell us another advantage (优点)of riding bike to work? §课堂导学案 Step 1 准备与热身(Preparation) 用多媒体给学生播放一些有关环境污染的图片或视频，然后询问学生对环境污染的看法和观点。 Teacher：What kinds of pollutions do you know? What do you feel about the pollution? Students：I think there are_____ . ①noise pollution；② air pollution；③water pollution… Step 2 呈现与输入(Presentation) 1．要求学生翻开课本P97，迅速阅读1a部分的内容。把方框中的单词按它们产生污染的类型写入相应的栏目中，并添加更多的单词。(1分钟) 2．检查答案，先要求全班一起给出答案并检查讨论。然后要求2－3名同学给出自己的答案，并把收集的答案列举在黑板上。(3分钟) 3．要求学生听第一遍录音，并根据听到的内容完成课本上1b表格中的句子。然后要求2－3名同学读出序号－读出所填单词－读出完整的句子(2分钟) (1)polluted，rubbish，fish (2)litter，rubbish (3)newspaper，stop，clean 4．要求学生听第二遍录音，并逐句进行跟读。(2分钟) 5．完成教材1c的任务，要求学生模仿1a内容，编造自己的关于污染的对话并进行对话练习。并邀请2－3对同学当堂进行演示。(3分钟) 6．小结训练。要求学生在规定的时间内完成一个小练习。并请若干学生给出自己的答案。有错误的话及时解决纠正。(2分钟) 用所给词的适当形式填空。 1．There are many kinds of __pollution__ (pollute)in our daily life. 2．All of the students should take part in __keeping__(keep)our school clean and tidy. 3．Can you tell us your i ... ...
