高中英语Unit4Astronomythescienceofthestars导学案新人教版必修3.doc

PAGE  PAGE 17 人教版高中英语必修3 Unit 4 Astronomy the science of the stars导学案 基础巩固 　　一、词汇详解 1.It exploded loudly with fire and rock,which were in time to produce the water vapor,carbon dioxide,oxygen,nitrogen and other gases,... 它（地球）巨大的爆炸喷出了烈火与岩石，最终产生了水蒸气、二氧化碳、氧、氮和其他多种气体，…… 要点提示: in time来得及;总有一天，迟早 典型例句: I was just in time for the flight. 我刚好来得及赶上那班飞机。 I will see him in time. 总有一天我会遇见他。 相关链接: 与time相关的短语 in no time立即，立刻　 at any time 在任何时候 at one time曾经，一度 at times 有时，偶尔 on time按时，准时 of the time现在的，当时的 例如： I jump into the river in no time.我立即跳入河中。 You may use my watch at any time. 你可以随时用我的手表。 At one time there were not so many cars on the streets. 从前街上没有这么多车子。 At times I go to the playground to play football. 我有时到操场踢足球。 The guest reached the hall on time.客人准时到达大厅。 I think he is the greatest musician of the time. 我想他是当代最伟大的音乐家。 应用探究 短语填空 in time　on time　in no time　at one time　at times　at any time (1)—Why are you in a hurry to leave here? —Get home ______ to bathe the children. (2)These buses are never ______ and the passengers are always complaining. (3)I am away,please call me ______ if someone come to see me. (4)You can’t imagine this lake used to be a beautiful place in our province ______. (5)He rushed out of the kitchen ______ when he heard the shout. (6) ______ I sit silently and wonder if this kind of job is worth all the effort. 答案： (1)in time　(2)on time　(3)at any time(4)at one time　(5)in no time　(6)At times 赠言 （1）True friendship lasts forever. （2）With a true friend,the world is but a little place after all. 2.It allowed the earth to dissolve harmful gases,which had become part of the earth’s atmosphere,into the oceans and seas. 它使地球把曾经存在于大气层中的有害气体溶解在海洋里。 要点提示: allow动词有下列用法:allow sb.sth.同意给某人某物;allow sb.to do sth.允许某人做某事;allow doing sth.允许做某事，与permit在很多情况下可以通用。其他动词advise，forbid 也有类似用法。 典型例句: The readingroom doesn’t allow smoking. 阅览室不准吸烟。 People are not allowed to spit in public. 不许当众吐痰。 相关链接: permit,allow的不同用法: (1)a