Unit4《Globalwarming》thesecondperiod课件（新人教版选修6）.ppt

;Unit 4; Teaching methods situational teaching method ; cooperative learning method; programmed teaching method; task-based and assessment teaching methods.;Teaching aims and demands;Arrangement of teaching;; quantity n．量；数量 (1)in quantity (＝in large amounts)/in large quantities大量地 It’s a lot cheaper if you buy it in quantity. 如果你大量购买要便宜得多。; My brother bought a large quantity of books. 我弟弟买了大量的书。 There are large quantities of rain in this area. 这个地区的雨量很大。 Quantities of food and tents were sent to Wenchuan from Shandong. 大量的食品和帐篷被从山东运到汶川。; a quantity of后同样可接不可数名词或可数名词的复数形式。但当它作主语时谓语动词一般根据其所修饰的名词而定，而quantities of作主语时，不论其后的名词可数或不可数，谓语动词都用复数。; 1．(2009年福建卷)—Why does the lake smell terrible? —Because large quantities of water________. A．have polluted　　　　 B．is being polluted C．has been polluted D．have been polluted 【解析】　句意为：——这湖水怎么这么难闻？——因为大量的水已经被污染了。本题考查时态、语态及主谓一致问题。water与pollute为被动关系，故排除A项；B表“正被污染”，故排除；large quantities of后加名词，谓语动词应与quantities保持一致，故排除C项，答案为D项。 【答案】　D; oppose vt.反对；反抗；与(某人)较量 (1)oppose sth./doing sth./sb.doing sth. 反对某事/做某事/某人做某事 He opposed the proposal to build a new hall. 他反对修建新礼堂的建议。 I oppose you/your going there alone. 我反对你单独去那儿。 (2)be opposed to...反对……；与……对立 She seems very much opposed to your going abroad. 她好像很反对你出国。 To be honest，I am opposed to your plan. 说实话，我反对你的计划。; average (1)adj.平均的；普通的；正常的；平常的 The average age of the boys in this class is fifteen. 这个班级男生的平均年龄为十五岁。 There is nothing special about him，he is very average. 他没有什么特别的，他非常普通。;(2)n.平均数；平均水平；一般水准 My school work is well above average. 我的学习成绩远远高于平均水平。 On average men smoke more cigarettes than women. 平均看来，男子比女子吸烟多。; 2．Don’t expect too much of him.After all，he is a child of________intelligence. A．average B．slight C．strange D．different 【解析】　根据前句“不要对他期望太大”。可以推断，这个孩子智力水平一般。 【答案】　A; glance (1)vi.看一下；扫视 He glanced over his shoulder nervously.他紧张地回头张望。 He glan