全新版大学英语综合教程第三单元.pptVIP

At first , well listen to the recording of text A. rate n. 1) value, cost, speed, etc. measured by its relation to some other amount. The birth rate is the number of births compared to the number of the people. 出生率是出生数与人口数之比。 2) of the (numbered) quality a first-rate performer Now you try: The nation’s population continues to rise _ (以每年1200万人的速度). (CET-4) at the rate of 12 million people per year/ at the speed of 12 million people every year The Structure of Paragraph 2 Topic sentence One couldn’t put the clock back to an earlier age. Supporting details: 1. Knowledge….. 2. the force of competition would still bring about… 3. Moreover… Conclusion: the only way to … “The only way to prevent …(L15)” such that (如此这般以至于）为连接词，引导结果状语从句，较正式。E.g. The extent of the disaster was such that the local authorities were quite unable to tackle. 这次灾情这么严重连地方当局也难以应付。 Translation: 阻挠科技进一步发展的唯一办法也许是建立一个压制任何新生事物的全球政府，但人类的进取心与创造力是如此旺盛，即便有这样一个政府也无能为力。 What can we infer from this sentence? No way can suppress anything new, as human initiative and inventiveness do exist. Para. 2 Useful Expressions 倒退 切断,中断 当今政府 引起,导致 支付 全球政府 基础科学 减慢 put the clock back cut off the present government bring about pay for a global state basic science slow down ensure vt. make sure; guarantee 赢得了今天这场比赛，确保了他们队能参加世界杯。 Winning the match today has ensured their team a place in the cup final. (p 73. 2（1）) assure; ensure; guarantee; insure assure 表示使某人确信；使某人放心，向某人保证，常用的句型有： assure sb. of sth. assure sb. that you can rest assured that I assure you of his honesty.我向你保证他忠厚老实。 I assure you that he is honest. You can rest assured that your money is safe with us.你可以放心，你的钱放在我们这儿万无一失。 Para 3 ensure 表示“保证”、“确保”，使某行为或某件事的结果得以保证；保证给予，赋予。 We cannot ensure the punctual arrival of trains in foggy weather. 我们无法保证火车在迷雾天能准时到达。 很抱歉， 我不能保证给你一个好职位。 I am sorry I can’t ensure you a good post. guarantee 表示保证某件产品的质量或保证履行某项服务或义务。 The company guarantees its products for six months. 这家公司的产品保用六个月