外研版高中英語必修二《Earth first》PPT課件下載，共18頁。
New words!
campaign /kæmˈpeɪn/ n.（宣傳）活動
urge /ɜːdʒ/ v. 竭力主張，強烈要求，敦促
canteen /kænˈtiːn/ n.（工廠、學校等的）食堂
concerned /kənˈsɜːnd/ adj.焦急的，擔憂的
contribute /kənˈtrɪbjuːt/ v.促成，造成（某事
average /ˈæv(ə)rɪdʒ/ adj.平均的
What phenomenon does this picture describe?
Please pay attention to the pictures and answer the questions.
What is main idea of this letter?
We are writing this letter to call on everyone to take part in the Clear Your Plate campaign.
In order to save food, we propose:
1 Do not order more than you need in the school canteen.
2 Order less and take leftover food home when dining in restaurants.
3 Call on family members and friends to take part in the campaign.
Useful sentences
1.We mustn't waste food.
我們不能浪費食物。
2.It's a shame to let that food go to waste.
浪費食物太可恥了。
3.It's a sin to waste food.
浪費食物是一種罪孽。
4.It' s a crime to waste food.
浪費食物是一種罪過。
5.Some people waste the food while others haven't enough food.
有人浪費食物，而另一些卻沒有足夠食物。
6.Don't waste that food. Wrap it up and I'll take it home.
不要浪費食物。打包，讓我帶回去。
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關鍵詞：Earth first PPT課件免費下載，.PPTX格式；
