高考英语 Unit4知识与要点课件 新人教版选修6 课件VIP免费

话题Global warming( 全球变暖 )功能1.Agreement and disagreement( 同意与不同意 ) 2.Blame and complaint( 责备与抱怨 )语法The use of “it”(2)[it 的用法 (2)]重点单词consume ， random ， subscribe ， tend ， phenomenon ，state ， consequence ， state ， range ， glance ， widespread ， average ， quantity ， oppose ， circumstance重点短语come about ， subscribe to ， quantities of ， go up ， result in ， be opposed to ， even if ， keep on ， on the whole ， on behalf of ， put up with ， so long as ， and so on重点句型1.There is no doubt that the earth is becoming warmer(see Graph 1) and that it is human activity that has caused this global warming rather than a random but natural phenomenon.2 ． Even if we start reducing the amount of carbon dioxide and other greenhouse gases...3 ． It is OK to leave an electrical appliance on so long as you are using it—if not ， turn it off ！ 1．quantity n. 量；数量 归纳拓展 in quantity(＝in large amounts) 批量，大量 in large quantities 大批，大量 quantities ofa quantity of 大量的，许多的 This kind of product is cheaper to produce in large quantities.这种产品大量生产更为便宜。 Quantities of food and tents were sent to Yushu from Shandong. 大量的食品和帐篷被从山东运到玉树。 The changes of quantity cause the changes of quality. 量变引起质变。 诱导展望 a quantity of 与 quantities of 语义相当，既可修饰可数名词的复数形式，又可修饰不可数名词，但前者修饰主语时谓语动词根据其后所修饰的名词而定，后者修饰主语时，谓语动词一律用复数形式。  There is a large quantity of rain in the country.There are large quantities of rain in the country. 这个国家的雨量很大。 【链接训练】There ________ quantities of apples in the basket and there was ________ milk in the bucket.A ． were ；...