人教版高中英必修5Unit 1全单元课件.ppt

New words (1) Warming up Text study New words (2) Learning about Language Using language Workbook 2. Try the quiz on P1 and find out who knows the most. Text study Pre-reading Skimming Fast reading Detailed reading Comprehending 2. What do you know about infectious disease? What do you know about cholera? Cholera is caused by a bacterium called Varian cholera（霍乱弧菌）. Task 7: To prevent the cholera from spreading again, what did John Snow do? ③ attend to 处理，注意倾听 A nurse attends to his needs. Can you attend to the matter immediately? I may be late – I have got one or two things to attend to. Excuse me, but I have an urgent matter to attend to.  3. Cholera was a 19th century disease. What disease do you think is similar to cholera today? Why? Discovering useful words and expressions Grammar Discovering useful structures 3. Copernicus didn’t show his new theory to his friends until he completed it. 4. His friends were not interested in his ideas. Using words and expressions Using structures Reading task What’s Euler’s puzzle? Koningsberg is an island and there is a river breaking it into two parts. The first stage in his research is to find the problem that he could cross six of the bridges without going over any of them twice or going back on himself, but he couldn’t cross all seven. It is topology. Euler’s theory is called “The Euler path”, which is expressed like this: If a figure has more than two odd points, you cannot go over it without lifting your pencil from the page or going over a line twice. Conclusion Euler’s theory (一笔画) 可以一笔画只有两种情况： 1. 没有奇数顶点。 2. 只有两个奇数顶点。 如对此问题有兴趣的同学可登录： /bbs/index.php 1514年，他把他的新理论私下里给他的朋友们看。他对旧理论的修改是具有革命性的。他把太阳固定在太阳系的中心位置上，而行星则围绕着太阳转，只有月球仍然绕着地球转。他还提出地球在围绕太阳转的同时，它本身还自转，这样就说明了行星运动的变化情况以及星球亮度问题。他的朋友都热情地鼓励他把他的想法公之于世，而他却小心谨慎，他不想遭到基督教会的攻击，所以他直到1543年临终之前才公布了这一观点。 当然，他小心谨慎是对的。基督教会拒绝接受他的理论，说这种理论违背了上帝的旨意，而支持这种理论的人都会受到打击。然而哥白尼的理论却是我们宇宙观赖以建立的基础。他的理论还改变了基督教对