unit 13 we’re trying to save the earth（第1課時）教案-預(yù)覽頁
【正文】 , the ocean’ s ecosystem will be in danger. ③ Many think that sharks are too strong to be endangered, ___________ they are wrong. ④ _______________ there are no scienfitic studies to support this, a lot of people believe that shark’ s fins are good for health. ⑤ Sharks may disappear one day __________ we do not do something to stop the sale of shark’ s fins. Possible answers: when, so, but, although, if 3) Studying useful words and expressions. ① cost v價錢為，花費(fèi) ，代價；花費(fèi)，費(fèi)用 The cost of a loaf of bread has increased fivefold.. 一 條面包的價錢增長了4倍。s going to cost me over $100,000 to buy new trucks. 買幾輛新卡車將花掉我 10萬多美元。t afford to buy a new car. 我們買不起新的車。t even afford a new refrigerator. 我父母甚至買不起一臺新冰箱。 Education is playing a big part in environmental protection. 教育在環(huán)境保護(hù)中起著很大作用。 Unit 13 We’re trying to save the earth : V sth. cost money 2. harmful: be harmful to 3. used to: used to do 4. afford: afford sth. / afford to do 5. play a part in
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