人教版九年级全册重点内容归纳unit6 sectionB

人教版-九年级全册unit 6重要知识点归纳Section B1. 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。  2. Dr. Naismith divided the men in his class into two teams…divide  v.分开；分散  divide… into… 把…分开；分散e.g. She divided the orange into quarters and each ate a piece.她把橙子分成四份，每人吃一份。   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，用作伴随状语。 4.4. Basketball has not only become a popular sport to play, but it has also become a popu-lar 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。 6. Many young people look up to these basketball heroes and want to become like them.look up to  钦佩；仰慕e.g. The artist is looked up to for his landscape paintings.这名画家以风景画受人仰慕。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  看上去像      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