BOOK64知识点.doc

UNIT 4 学案 1． come about 常用于疑问句或否定句中。 How did these differences come about? How did it come about that the sculptures appealed to you? This has not come about overnight.冰冻三尺，非一日之寒 1) Tell me how the car accident came about. 2) Did you hear what happened to her? 3) Great changes have taken place in our city in the last few years. 4) A fire broke out during the night. _____ 事件的发生有某种原因或事先的安排：偶然或突发性事件： 发生或想到，突然想起，意为发生时=happen: what has occurred? I occurred to me that she didn’t know I had moved into the new house. Come about 事情发生了， 但还不知道为什么。常用于否定和疑问 When mother woke up, she didn’t know what had come about. 常指战争灾难疾病争吵事件的发生It’s already 10:00. I wonder how it ___ that she was two hours late on such a short trip. A. came over B. came about C. come about D. came up 2. quantity 数量 Changing in quantity leads to changing in quality. 1) Quantities of food /books were sent to the earthquake area. 2) A large quantity of food/ books was/were sent to the earthquake area. 梳理：a quantity of 可接_____和_______，作主语时谓语动词的数以___________而定。 quantities of可接______和_______, 作主语时谓语___________。 3.result in 导致 1) Stress and tiredness often result in a lack of concentration. 2) The accident resulted in the death of two people. 梳理: result in:“导致”前____后____同义短语_________ result from:由...产生;由...导致；前_____后_____ as a result 因此; 结果as a result of作为...的结果;由于 without result 无效地, 毫无结果地；联想：consequence 4. tend vt. 趋向, 往往是；照管, 护理 tendency n. 趋向，倾向（常与to/towards连用） 1) Most of boys tend to enjoy playing basketball. 2) A team of medical workers were sent to tend the survivors of Whenchuan Earthquake. 3) Nowadays there is a growing tendency for people to shop on the internet. 练习：A sudden change in temperature ____ to bring rain or snow. A. gets B. turns C. hopes D. tends 5.depend on/ upon+ n 依靠,依赖, 确(坚)信 You can’t depend on your parents forever. depend on/upon+sb.+to do 指望某人做……You can’t depend on him to come on time. depend on/upon +it +that…. 指望…..You may depend on it t