必修3 4单元 单词课件.pptVIP

鼎哟梆极满饶俯玉澜漱室史划伪邹耳癣工拨议遥炔颗檀撬柿才篙垒泽抄店必修3 4单元 单词课件;;;单词短语知识要点 1．in time 及时；总有一天；迟早 归纳拓展 in no time立刻，马上(＝once/immediately，用于句首时不倒装) ahead of time 提前；提早 at times有时 at one time一度；从前；曾经 at a time依次；逐一；每次 for the time being暂时；眼下 take one’s time别着急；慢慢来;at no time 绝不，在任何时候都不(用在句首时，句子要部分倒装) Will we be in time for the six oclock train? 我们来得及赶上六点钟的那趟火车吗？ Youre here in time.你终于来了。 The boss ordered us to finish our task ahead of time. 老板命令我们提前完成任务。;【链接训练】 ①She started as an office junior，and ________ became the director of the whole company. A．in surprise B．in return C．in turn D．in time 【解析】　句意为：她起初只是一名办公室职员，最终成了整个公司的董事。in surprise“吃惊地”；in return“作为回报”；in turn“轮流，依次”；in time“终于，一段时间后”。故选D。 【答案】　D;② ________ will China be the first to use nuclear weapons. A．At no time B．In no time C．At one time D．At a time 【解析】　at no time“绝不”，表示否定意义，置于句首引起倒装。in no time“立即，马上”；at one time“曾经”；at a time“每次，一次”。它们均不表否定意义，不能引起倒装。 【答案】　A;2．exist vi.存在；生存(无被动式和进行时) 归纳拓展 (1)There exists/existed...某地有……；存在…… exist in存在于…… exist on靠……生活/生存 (2)existence n．存在；生存 be in existence存在 come into existence开始产生，成立 bring into existence使产生 (3)existent adj.存在的；现行的;We cant exist without food or water. 没有食物和水我们就不能生存。 I can hardly exist on the wage that Im getting. 我靠我挣的工资简直难以糊口。 When did the world come into existence? 世界是什么时候开始存在的？ There exists a good way to solve the existing problem in geography.有一个解决目前地理问题的好办法。;【链接训练】 He doesnt believe in the ________ of God. A．life B．exist C．existence D．exhibition 【解析】　existence“存在”，符合题意。exist是动词，不能用在此处。句意为：他不相信有上帝存在。 【答案】　C;;Its ones turn to do sth.轮到某人做某事了 I will，in my turn，clean the window next week. 下周轮到我擦窗户了。 He asked each of us in turn to answer his questions. 他要我们每个人依次回答他的问题。 I think its my turn to drive the kids to school this week. 我想这周该轮到我开车送孩子们上学了。;【链接训练】 People try to avoid public transportation delays by using their own cars，and this ______ creates further problems. A．in short B．in case C．in doubt D．in turn 【解析】　in turn意为“反过来，依次，轮流”。根