高中英语 Unit 6 Earth first（第3课时）Developing ideas Presenting ideas学案（含解析）外研版必修第二册-外研版高一必修第二册英语学案VIP专享

Unit 6 Earth first第三课时 Developing ideas & Presenting ideasⅠ.词汇初探1．false adj. 错误的2．amount n. 数量3．device n. 设备，装置 4．leak v. 渗漏 5．appliance n. 家用电器6．canteen n. 食堂；餐厅7．campaign n. (宣传)活动8．average adj. 平均的 n. 平均数9．majority n. 大多数；大半→major adj. 主要的→minority (反义词) n. 少数10．electricity n. 电；电流；电学→electric adj. 用电的；导电的→electrical adj. 与电有关的11．remove v. 移走，搬走→removal n. 移除12．urge v. 催促；极力主张；驱策→urgent adj. 紧迫的→urgency n. 紧急；迫切；紧急情况13．concern vt. (使) 担忧；涉及；关系到 n. 担心；关注；(利害) 关系→concerned adj. 有关的；担心的→concerning prep. 关于14．contribute vt.& vi. 捐献；贡献；捐助→contribution n. 捐献；贡献Ⅱ.短语互译1．the_majority_of 大多数2．a_large_amount_of 许多，大量3．take...into account 把……考虑进去4．urge_sb.to_do_sth. 催促某人去做某事5．be_concerned_about 为……担忧6．contribute to 有助于；促进7．on average 平均8．come up with 提出；想出9．depend on 依靠；取决于10．turn off 关闭Ⅲ.经典句式1．It takes hundreds of years for plastic to break down，but much less time for paper.塑料需要几百年才能分解，而纸张则要少得多。2．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.然而，制作纸袋所消耗的能量是制作塑料袋的四倍，水的消耗量是塑料袋的三倍。3. It is the production of food, not its transport, that uses most of the energy and produces most of the greenhouse gases.消耗大部分能源和产生大部分温室气体的是粮食生产，而不是运输。Ⅳ.语篇理解 StepⅠ.Read the text on Page 68—69 and choose the best answers.1．Which shopping bag is more environmentally friendly?A．A plastic bag.B．A paper bag. C．Either of both.D．Neither of both.答案：D2．What should you do to save energy when leaving your home?A．Turn...