新概念英语第三册 精品课件-Lesson 51 Predicting the future.pptx

Lesson 51 Predicting the future;contents;Part 1 Warming up;Part 2 Words and expressions;New Words;New Words; 吊起；悬挂; technician;notoriously ;mainframe ;DOS ;-ian;software ;multimedia ;alternative ;alternative ;diagnose ;relieve ;function ;function ;function ;PC ;giant ;humble ;commonplace ;Common sense;Part 3 Notes on text ;predict v. 预言（某事物）将发生；预报；预告 predict n./ what 从句/ that 从句 预知…… prediction n. 预言;【例1】 （浙江卷） No matter how carefully you plan your finances, no one can_______when the unexpected will happen. A. prove B. imply C. demand D. predict;1. Predicting the future is notoriously difficult. Who could have imagined, in the mid 1970s, for example, that by the end of the 20th century, computers would be as common in peoples homes as TV sets? 众所周知，预测未来是非常困难的。举个例子吧，在20世纪70年代中叶又有谁能想得到在20世纪末的时候，家庭用的计算机会像电视机一样普遍？;notoriously [no?t??ri?sli] adv. 臭名昭著地 notorious adj. 臭名昭著的，声名狼藉的 be notorious for sth. 因为…而臭名昭著 She is notorious for her rude behavior. Doctors notoriously neglect their own health and do not seek help when they should.;2. In the 1970s, computers were common enough, but only in big business, government departments, and large organizations. These were the socalled mainframe machines. 在70年代，计算机已经相当普及了，但只用在大公司，政府部门和大的组织之中，它们被称为主机。;mainframe computer noun 主机；主计算机 a large powerful computer, usually the centre of a network and shared by many users compare microcomputer, minicomputer, personal computer;3. Mainframe computers were very large indeed, often occupying whole airconditioned rooms, employing fulltime technicians and run on specially written software. Though these large machines still exist, many of their functions have been taken over by small powerful personal computers, commonly known as PCs. 计算机主机确实很大，常常占据了装有空调的多间房间，雇用专职的技师，而且得用专门编写的软件才能运行。虽然这种大计算机仍然存在，但它们的许多功能已被体积小但功能齐全的个人电脑——即我们常说的PC机——所代替了。;【例2】（江苏卷） The old man, _______abroad for twenty years, is on the way back to his motherland. A. to work B. working C. to have worked D. having worked;【例3】（山东卷