Unit4WeatherandClimate(大学英语.ppt

Unit4 Weather and Climate,The Weather in England,New Words,1.revealing a.发人深省的，能说明问题的 构词特点：reveal(v.揭示)+ing(后缀，构成形容词、名词、动名词、现在分词等) 孩子们给的答案很发人深省。 The answers the children gave were extremely revealing.,2.midday n.正午 构词特点：mid(前缀，表示“中间”)+day(n.白天，一天） 我们正午出去玩了。 We went out at midday.,3.wintry a.冬天的，寒冷的（也可以写作wintery） 构词特点：winter(n.冬天)+y(后缀，构成形容词) 寒冷的天气已经造成了严重的道路交通堵塞。 The wintry weather has caused severe traffic jams on the roads.,4.centigrade a.百分度的，摄氏的 构词特点：centi(前缀，表示“百分之一”或“百”)+grade(n.等级；刻度) 水在零摄氏度结冰。 Fresh water freezes at zero degree centigrade.,5.dense a.密集的；浓厚的 这座城市被浓雾覆盖。 The city was covered by a dense fog.,6.laughter n.笑，笑声 笑是治病的良药。 Laughter is the best medicine.,Phrases and Expressions,1.in the course of 在.过程中，随着 在工作期间我们应该互相帮助。 We should help each other in the course of our work.,2.from nowhere 突如其来，突然（出现），意外（发生）；不知从何处 每当事故发生时，不知道从哪儿来的人群就围拢了过来。 Every time there is an accident, a crowd gathers from nowhere.,3.by the way 附带说说，随便（问一句） 顺便问一下，你的朋友叫什么名字？ By the way, whats your friends name?,Translation,He insists that his belief is the only right one. Only after I have received the report can I give you the exact numbers. Ill meet you at 8 oclock. By the way, could you ask John to come too? The bad news quickly became the topic for every family in the town. At least 15 people were robbed in the course of the past month.,Grammar Focus,动词时态(1) 现在时的形式及用法 1.现在简单时（一般现在时） The sky is blue. His father wears glasses. When he comes, I will tell him the truth.,2.现在进行时 Look. Its raining. Were preparing for exams. She is always complaining about her work.,3.现在完成时 I have finished my homework. She has been ill for three days. Ive lived in Paris since 2010.,4.现在完成进行时 I have been waiting for you the whole morning. It has been raining for three days.,现在完成时与现在完成进行时的区别 We have cleaned