Unit4_Global_warming课件17(新人教版选修6）.ppt

Unit 4 Global warming 基础落实 Ⅰ.高频单词思忆 1.She doesn’t want to make a big emotional (承诺) to Steve at the moment. 2.Under no (情况) should you lend Paul any money. 3.The electricity industry (消耗) large quantities of fossil fuels. 4.There are a lot of natural (现象) we can’t understand.;5.If you behave so foolishly you must be ready to take the (后果). 6.Large (量) of money have been spent on the bridge. 7.Which journals does the library s to?  8.I would o changing the law.  9.This d was collected from 69 countries.10.He has already s his intention to run for election.;Ⅱ.重点短语再现 1. 发生；造成 2. 代表……一方，作为……的代言人 3. 同意，赞成；订购 4. 反对 5. 继续 6. 导致 7. 忍受，容忍 8. 上升；增长；升起 9. 只要 10. 即使;Ⅲ.典型句式运用 1.It takes a lot of energy to make things from new materials,...用新原料造东西需要大 量能源，…… 句中it为 ，take意为： （时间、劳力等）；有这种含义的take通常 不可用于被动语态。比较：It takes sb.time to do sth.某人花费时间做某事。;2.It’s OK to leave an electrical appliance on so long as you are using it-if not,turn it off!只要你在使用电器设备，你便可以把它开 着。如果不用就把它关掉！ so/as long as引导 从句，意 为“ ”。另外此短语还可意为“在……的时 间之内；既然，因为”等。 ;3.“We can’t predict the climate well enough to know what to expect,...我们预报气候不够 准确以致于不能知道要发生的事，…… not...enough to do sth.意为： “ ”；enough表示它前 面的形容词、副词的程度， 表示由此产生 的结果或行动，enough后面 that从句。;课堂导练互动 重点单词 1.quantity The problem begins when we add huge of extra carbon dioxide into the atmosphere. （回归课本P26） 观察思考 He prefers quantity to quality when food is concerned. 就食物而言，他讲究量不讲究质。 Quantities of food and tents were sent to Wenchuan from Shandong. 大量的食品和帐篷被从山东运往汶川。;归纳总结 quantity 。 in quantity大量 a large quantity of许多，大量，既可修饰可数名 词复数，也可修饰不可数名词。;注意 a quantity of后同样可接不可数名词或可数 名词的复数形式。但当它作主语时