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的教学途径，借助多媒体，增强趣味性和直观性，增大课堂容量，提
高课堂效率，面向全体同学，在听说过程中帮助学生掌握知识、发展
能力、形成正确的价值观。
三．Language goals(语言目标):
1. Words and expressions(生词和短语):
Litter,bottom,fisherman,dvantage,cost,wooden,plastic,takeway,bin
2. Key sentences(重点句子):
1)People are throwing litter into the river.
2)Factories are putting waste into the river.
3)To cut down air pollution,we should take the bus or subway
instead of driving.
4)So put together,our actions can make a difference and lead
to a better future.
四．Ability goals(能力目标):
Train students’ basic abilities of listening, speaking reading and
writing about protecting environment.
五．Emotion and attitude goals(情感和态度目标):
Let the students learn to know the kinds of pollution, arouse their
awareness of protecting environment.
六．Strategy goals(策略目标):
Listening for specific information; cooperating.
七．Teaching important points(教学重点):
Enable the students to master the key words and sentence
structures. Be able to talk about how to protect the environment.
八．Teaching difficult points(教学难点):
Train the students’ listening, speaking and writing skills using the
target language.
九．Teaching procedures and ways(教学过程与方式):
?Step 1.Lead-in
Let students watch a video about the different kinds of pollution.