外研版（2019）高中英语必修第三册 Unit6 高频词汇课件(一).pptxVIP

;设计说明;Unit6 高频词汇一览;occur;occur [??k??(r)] v.;oc- (= ob- against, toward 相对、向) + cur (to run 跑) → 相对着跑，即跑到一起的 → 遇到 → 发生;精准释义; occur to sb被想到，浮现在脑中 It occurs to sb. that.../to do...某人突然想到…… 注意：不规则动词：occurred，occurred，occurring occur没有被动语态，不用于进行时。occur作谓语时，主语不能是人。 The idea occurred to him in a dream.这个主意是他在梦中想到的。 It didnt occur to him that his wife was having an affair.他没有想到自己的妻子有婚外情。 It didnt occur to her to ask for help.她没想到请别人帮忙。;A great decline in young work force is likely to occur in China，for instance.例如，在中国很可能发生年轻劳动力大量减少。 The idea occurred to him in a dream.这个主意是他在梦中想到的。;词汇拓展;词汇拓展;occur，happen，take place 这三者都有“发生”的意思。是不及物动词，无被动语态。 ※occur较正式用词，可用于具体或抽象的事物，通常指按计划或规律在较为确定的时间“发生”的事，在表示具体的事物时，可与happen换用，但occur还表示“某人想起”。 ※happen普通用词，泛指一切客观事物或情况的发生，强调动作的偶然性。另外，happen还有“碰巧”之意。 ※take place“发生，举行”，多指通过人为安排而发生的事。;词汇拓展;In a world that warms up by 3℃, it found that multiple changes to the colour of the oceans would occur. (高考 北京卷 2019 阅读) It seldom occurred to them to wander a bit, to take a moment to see what’s around them.(高考 天津卷 2018 阅读);一、单句语法填空 It suddenly occurred to him _________ he had left his keys in the office. （2012 江西改） It didn’t occur to her _________(ask) for help. 她没有想到请人帮忙。 ;二、根据所给汉语，完成下列句子。 2. I suppose ____________________________ (她根本没想到要请求帮助). 3. _________________ (我没有想到) that he might have had problems. 4. Emerson would always set down new ideas _________________ _____ (他想到的). 5. ________________________ (他突然想到) that he had left his keys in the office.;三、选出适当的词或短语，并用其正确形式填空。 1. The Olympics _________ every four years. 2. No one knows exactly what __________________ but several people have been hurt. 3. An idea suddenly _________ to him and he jumped excitedly.;shelter;shelter [?elt?(r)] n.;词源;语义网络图;精准释义; shelter ... from We should find a shelter from the wind. Workers built shelters for survivors whose homes had been destroyed. Graduation represents