外研版高中英語必修二《Earth first》SectionC PPT課件，共57頁。
語言知識講練
高 頻 詞 語
1. majority n. 多數，大多數
【典例促記】
⊙Most of us are aware that we must take care of the environment, and the majority of us take steps to save energy and reduce waste and pollution. (P68)
我們大部分人都意識到要保護環境，我們大多數也采取了各種行動節約能源，減少浪費和污染。
⊙A majority of political historians give a favourable remark, while a majority of economists are more doubtful.
大多數政治歷史學家對其給予了正面的評價，而多數經濟學家則表示出了更大的疑慮。
2. break down 打破，毀掉；出毛??；分解
【典例促記】
⊙It takes hundreds of years for plastic to break down, but much less time for paper. (P68)
塑料需要數百年才能分解，而紙的降解時間要短得多。
⊙Our car broke down on the way.
我們的車在半路上壞了。
⊙A big fire broke out in the kitchen.
突然間廚房里著起了大火。
3. remove v. 移走，搬開，去掉
【典例促記】
⊙To make sure your appliance is in fact off, remove the plug from its power supply. (P69)
為確保電器徹底關閉，請從電源上拔掉電器插頭。
⊙His name was removed from the list.
他的名字從名單上除掉了。
⊙He was removed from his position as chairman.
他被撤去主席的職務。
⊙Urban citizens remove from the city to the countryside for wider space and fresher air.
城市居民從城市搬到農村以享受更廣闊的空間和呼吸更清新的空氣。
常 用 句 式
1. However，making a paper bag uses four times as much energy as making a plastic bag and up to three times the amount of water. (P68)
然而，生產紙袋的耗能為塑料袋的四倍，耗水量則多達三倍。
2. It is the production of food, not its transport, that uses most of the energy and produces most of the greenhouse gases. (P69)
相比于運輸，食物的生產過程才是消耗大部分能源及產生大部分溫室氣體的原因。
【典例促記】
⊙It was the actress who (that) played the heroine of the play.
就是那個女演員飾演這部劇的女主角。
⊙It was on Monday night that all this happened.
所有這一切發生在周一晚上。
⊙It was me that she helped yesterday.
昨天她幫助的人是我。
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關鍵詞：Earth first PPT課件免費下載，.PPT格式；
