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ms nowadays? (PPT 910) 4. Show students pictures of other environmental problems. (PPT 1120) [Explanation] 以 08奧運 這一時事熱點作為導入,引起學生的興趣,使學生有話可說、想說,并由北京沙塵暴自然過渡到全球 環(huán)境問題。 Wele to the Unit 以及 word power 的 B部分都設計到一些 人為或自然原因造成的災害,因此合并處理。 Step 2 vocabulary learning and extension (PPT 2132) 1. With all these problems, what can we do to protect our environment? (PPT 21) 2. Government in China put forward themes of the Olympic Games and made sure that the Olympic Village is environmentally friendly. (PPT 2224) 3. What is an environmentally friendly hot