unit5The_Power_of_Nature课件15(人教版选修6).ppt

Unit 5 The power of nature 基础落实 Ⅰ.高频单词思忆 1.This radio has a two-year (保修期).  2.Red hot lava is an (绝对地) fantastic sight.  3.China is a country with a great (多种) of religious beliefs.  4.The mother was standing at the gate, (焦急的) to see her son.;5.Lu Xun gave up medicine and turned (小说家). 6.I can’t (评估) his ability without seeing his work. 7.I don’t think this coat really s me. 8.Thick f is affecting roads in the north and visibility is poor. 9.Have you b the baby yet?  10.The volcano could e at any time. ;Ⅱ.重点短语再现 1. 彻底焚毁 2. 向……走去；前往 3. 努力 4. 保持着原始状态 5. 匆匆看一遍 6. 由……到……不等 7. 将某事告诉某人 8. 保护……免受损害 9. 尽可能地靠近 10. 出其不意地攻占/俘获； 使措手不及;Ⅲ.典型句式运用 1.Having collected and evaluated the information,I help other scientists to predict where lava from the volcano will flow next and how fast.收集和评估这些信息之 后，我就帮助其他科学家来预测熔岩接着将往何 处流去，流速是多少。 Having collected and evaluated... 是 在句中作状语。表明从句 动作发生在主句动作之前。 如果一个被动的动作在主句谓语的动作之前完 成，则可使用现在分词的完成被动式。;2.I was about to go back to sleep when suddenly my bedroom became as bright as day. 我刚要睡，突然我的卧室亮如白昼。 (1)be about to do sth.when sth. happened表示“ ”。 此处be about to do sth.意为“即将要做某事”。 其通常 带具体时间状语的句子中；when在 此作 使用，具有副词意义“这时/那时 ……”，引出一个突然出现的动作。;3.It is said that this boy,who had a great gift for languages and persuasion,is the father of the Manchu people.据说这个男孩就 是满族人的祖先，他具有语言天赋和很强的说服 力。 It is said that... ，it是 形式主语，真正的主语是由that引导的主语从句。 在主语从句中， 不可省略。引导主语从句 的whether if代替。;导练互动 重点单词 1.appoint I was as a volcanologist working for the Hawaiian Volcano Observatory (HVO) twenty years ago. (回归课本P34) 观察思考 The company appointed him chief finan