高中英语必修5Unit1-Great-scientists课件.ppt

(2) adj. having great usefulness or value 如: valuable information (3)n. (常用复数形式) sth that worth a lot of money 如: Cathy kept her valuables in a safe. 重大的消息 凯西把她的贵重物品藏在保险箱里。 泵 (油泵; 气泵), 抽水机, 打气筒 11. pump 12. It seemed that the water was to blame. 看来霍乱的流行要归罪于饮水了。 be+动词不定式, 可以表示该做或不该做的 事情, 相当于must, should, ought to 等。 如： No one is to leave this building without the permission of the police. 没有警察的允许谁也不准离开这栋楼。 You are not to drop litter in the park. 公园里不允许乱丢纸屑。 受到责备, 主动表被动 13. Next, John Snow looked into the source of the water for these two streets. 其次, 约翰.斯诺调查了这两条街的水源。 look into 往…...里面看; to investigate 检查; 了解。 如： We’ll look into this matter together. 我们将一起调查这个问题。 开放思维： look on 观看, 面向, 旁观, 看待 look out 面朝, 留神, 照料 look over 从上面看, 察看, 检查 look around 环顾, 观光, 察看 look through 看穿, 审核, 浏览, 温习 look up and down 仔细打量, 到处寻找 look after 寻求, 照顾, 关心 14. handle n. 柄, 把手 A. 操作; 运用 B. 经销; 买卖 C. 管理 D. 对待 E. 应付 F. 控制; 管理 handle v. Choose the correct explanations. 1) Ms Hawkins, the chief accountant of the company handles the companys accounts. 2) The children are so naughty that I cant handle them. 3) She handled a difficult argument skillfully. C F E 4) Handle children kindly, if you want them to trust you. 5) This shop handles paper and stationery. 6) He learnt how to handle the axe. D B A link…to... 把…与…连接; 联系 如： Fingerprints linked the suspect to the crime. 指纹证实了嫌疑犯的犯罪事实。 be linked to 连接 如： The two towns are linked by a railway. 15. In another part of London, he found supporting evidence from two deaths that were linked to the Broad Street outbreak. 在伦敦的另一个地区, 他从两个与宽街 爆发的霍乱有关联的死亡病例中又发现了 有力证据。 link n. 联系, 关系 研究人员发现了吸烟和心脏病之间 的关系。 Researchers have detected a link between smoking and heart disease. 16.With this extra evidence John Snow was able to announce with certainty that polluted water carried the virus. announce v. to make known publicly 如： The captain announced that the plane was g