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能看懂和听懂简单的英文解释。
能够理解段落中各个句子间的逻辑关系。
能用合适的英语对环境污染问题进行口头和书面语表达。
3.Emotional aims: (optional)
通过学习，加深对环境问题的认知，树立环保意识。
4.Culture awareness: (optional)
了解各种不同种类的污染，关注全球的环境现状。
Ⅲ. The key points and difficult points
1. Key points:
Words: deaf, print, recently, sentence, meaning, hearing, loss, disturb, uncomfortable, unpleasant, sort,
phrases: go deaf, do harm to/be harmful to, lose one’s hearing/ have hearing loss, in noisy condition/ too much noise, no better than not only…but also…, cause sb. to do sth., all sorts of environmental problems, including noise problems
Sentences: (1) … noise is also a kind of pollution and is harmful to humans’ health.
(2) People who work and live in noisy conditions go deaf easily.
(3) … many teenagers in America can hear no better than 65-year-old people do …
Grammar: Simple past, present perfect.
2. Difficult points：
能根据所学内容，表达与污染相关的话题。
能大致理解含有定语从句的句子。
能正确理解和使用“no better than”,“do harm to”等短语。
Ⅳ. Learning strategies
能通过思维导图，对课文内容进行读前预测。
能根据不同阅读材料，运用不同的阅读策略获取信息。
能根据写作要求，搜集、准备有关污染和环保的素材。
Ⅴ. Teaching aids
与污染相关的图片；单词卡片（如harm/ harmful; hear/ hearing; lose/ loss等）；录音机；幻灯片；音频（rock music）等。
Ⅵ. Teaching procedures
Stage
(time period)Teacher activityStudent activity1Getting students ready for learning and revision
（2 mins）Show some pictures about pollution and let the Ss speak out the effects of different sorts of pollution.
T: Hi, everyone. We have known some kinds of pollution. Can you list them?