九年级英语全册 Unit 6 When was it invented Section B(1a-2e)课件 (新版)人教新目标版.ppt

Mind-mapping Changing the information you read into a mind map may help you remember it more easily. 1. Potato chips were invented by mistake. by mistake 错误地；无意中 e.g. Somebody took the my umbrella by mistake. 有人错拿了我的伞。 I picked up your bag by mistake. 我错拿了你的包。 3. Today, the popularity of basketball has risen around the world, with many young people dreaming of becoming famous players. 1) today adv. 修饰整个句子，表示当前 的一段时间，“如今；当今”。 e.g. Today, only a few kinds of these beautiful animals still live on the earth. 现今，这些美丽的动物只有少数 几种还生活在地球上。 2) with与在意义上有主谓关系的复合结构many young people dreaming of…构成短语，用作状语。 4. Basketball has not only become a popular sport to play, but it has also become a popular sport to watch. not only…, but also… 不但……而且…… 若连接两个成分作主语，谓语动词与靠近的主语保持一致。 e.g. Not only the students but also their teacher is enjoying the film. 不仅学生们在欣赏这部影片，他 们的老师也在欣赏这部影片。 5. The number of foreign players, including Chinese players, in the NBA has increased. 1) number表示数量。由于是单数形式，谓语动词需要与之相配，为has increased。这种主语和谓语在数上的匹配称作“主谓一致”。当主语为复数概念是，谓语动词用复数形式与之匹配；当主语为单数概念时，谓语动词则用单数形式。 e.g. People there are very friendly. people为复数概念。 The United Nations is an international organization that tries to find peaceful solutions to world problems. the United Nations是一个组织，为 单数概念。 2) the number of… “……的数量；……的数目”。作主语时，谓语动词应用单数形式。 a number of… “若干的，一些”，修饰可数名词。作主语时，谓语动词应用复数形式。 e.g. The number of people killed in the accident hasn’t been announced yet. 这次事故中的死亡人数尚未公布。 A number of people are unhappy with this decision. 一些人对这项决定并不满意。 拓展：look词组 look back 回头看; 回顾 look down upon (on) 看不起, 轻视 look forward to 盼望，期待 look into 朝......看去; 调查 look like 看上去象 look on 旁观，观望 look out 当心，小心，留神 look through 浏览；透过......看 look up 查阅; 抬头看 e.g. She divided the orange into quarters and each at