高中英语人教版必修四unit2-Reading.pptVIP

4. Born in a poor farmer’s family in 1931, Dr. Yuan graduate from Southwest Agriculture College in 1953. 袁博士1931年出身于一个贫苦农民的家庭, 1953年毕业于西南农学院。 graduate n. 毕业生 undergraduate 本科毕业生 post-graduate 硕士毕业生, 研究生 graduate vi. 常跟介词from, 表示“毕业于” graduation n. 毕业 e.g. After his graduation from college, he went to work as an engineer in a company. =After he graduated from college, he went to work as an engineer in a company. bachelor’s degree 学士学位 master’s degree 硕士学位 doctor’s degree 博士学位 5. Dr. Yuan searched for a way to increase rice harvests without expanding the area of fields. 袁博士寻求一种在不扩大种植面积的情况下 提高水稻产量的方法。 1)search 强调搜查, 一般表示目标明确范围较小。 search sb. 搜身; search some place. 搜查某地 search for 强调寻找, 一般表示范围较大。 search for sb 寻找某人 The police searched the woods for the lost child. Scientists are still searching for a cure to the common cold. search/search for/in search of The officer went up _____________ the murder. The thieves are _________________ the hidden treasure in the museum. Birds fly to the south ______________ the winter sunshine. to search searching for in search of 2) expand v. 使变大; 伸展 如: The population of China expanded quickly in the 1960s. You can expand your knowledge by reading more books. expansion n. expandable adj. 6. circulate v. 循环, 交流 circulation n. e.g. Rumors circulated quickly. The blood circulates around the body. 7. Thanks to his research, the UN has more tools in the battle to rid the world of hunger. 1) thanks to: 幸亏/由于 Thanks to your help, I passed the exam. because of, thanks to, as a result of 表示“由于”时的用法区别: ▲because of 意为“因为, 由于”, 普通用语, 比其他短语更口语化; 构成的短语在句子中 通常作状语, 后面可接名词、代词、分词或 what引导的名词性从句等。如：Johnson is likely to miss the match because of his back injury. Because of my bad leg, I couldn’t walk so fast as the others. Because of his wife’s being there, I said nothing about it. ▲thanks to “由于或因为某人(某事)”， 通常用于好的方面, 译为“多亏”, 但 有时作反语; 引导的介词短语可置于 句首或句末。如：The play suc