【精选】【重大版】版英语复习方略课件：选修6 Challenging Yourself I Saving Our Earth.ppt

Challenging Yourself Ⅰ Saving Our Earth 保护我们的地球;核心 要点;1. consume vt. 消耗；吃；毁掉 be consumed with/by 心中充满 consumption n. 消费（量）；消耗（量） consumer n. 消费者;①He consumes vast quantities of rice every meal. 他每顿饭都吃很多米饭。 ②The new television consumes less electricity. 这台新电视耗电少。 ③The consumers need to cut down on our petrol consumption by having fewer cars on the road. 消费者需要通过更少地使用车辆来减少汽油的消耗。;④I ___ _________ ____ curiosity about my new neighbor. 对我的新邻居我心中充满了好奇。;【熟词生义】根据语境选择最佳汉语意思 In 1541 a fire consumed most of the town and much of the castle. A. 消耗 B. 毁掉 答案：B;2. be aware of 意识到 (1)be (well) aware +that 从句 非常清楚 (2)awareness n. 认识 raise awareness of 提高……的认识 raise one’s awareness = raise the awareness of sb. 提高某人的认识;①She was not aware of having done wrong. 她没有意识到做错了事。 ②___ ____ ______ ___ very few jobs are available. 我很清楚可得到的工作职位非常少。 ③We should ____ ______ _________ __the problem. 我们应该提高公众对这个问题的认识。;【点津】若表示“非常清楚”，要用well修饰aware。;3. Only if we take steps to deal with this problem now can we avoid a severe worldwide water shortage later on. 只有当我们现在采取措施处理这个问题时，我们以后才能避开严重的全世界范围的水缺乏。 此处是“ only +if引导状语从句”位于句首引起的部分倒装，即把助动词置于主句中的主语之前。除此之外，“only+ 副词/介词短语/状语从句”位于句首时，主句都要用部分倒装。;①Only if you offer me more money will I stay. 只要你肯多给钱, 我就留下。 ②Only if you get the work finished by Friday will I pay you double. 你只有在星期五之前完成这项工作，我才会付给你双倍的钱。 ③Only when one loses freedom does he know its value. 一个人只有在失去自由后才知道自由的可贵。;④____ __ ________ ____ ___ ___ succeed. 只有努力工作你才能成功。 ⑤____ ____ ___ _realize that I was wrong. 只有到了那时我才意识到是我错了。;【真题链接】 ［2011湖南，32］Only after they had discussed the matter for several hours ________ a decision. A. they reached B. did they reach C. they reach D. do they reach 【解析】选B。考查倒装结构。句意:讨论这个问题数小时后他们才作出决定。“only+状语从句”置于句首时，主句用部分倒装。根据前面的过去完成时态,这里要用一般过去时。故选B。;【想一想】部分倒装结构是高考的重点，除了上面讲到的用法之外，你还能想起哪些用法？;【拓展延伸】常见的其他部分倒装的情况： 1. so. . . that. . . 和such. . . that. . . 句