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1、Using language (1),Unit 1,Great scientists,Nicolaus Copernicus,He was one of the first scientists to use mathematical observation to collect information. He believed the sun is the center of the universe and the earth and other planets went around it.,Nicolaus Copernicus tombstone,Skim the text and
2、draw the two theories of the universe with the following pictures.,sun,earth,Before Copernicus theory Showing Copernicus theory,sun,earth,Before Copernicus theory Showing Copernicus theory,sun,earth,earth,sun,Showing Copernicus theory,A diagram showing the solar system with the earth at its centre,A
3、 diagram showing the solar system with the sun at its centre,Before Copernicus theory,Careful Reading1. Why could he not tell about his theory? (Para 1)2. What was his theory about? (Para 1),Because the powerful Christian Church would have punished him for even suggesting such an idea.,2. What was h
4、is theory about? (Para 1),The earth was not the centre of the solar system. Only if you put the sun there did the movements of the other planets in the sky make sense.,1. Why could he not tell about his theory? (Para 1),必修五Unit1Copernicusrevolutionarytheory含语言点,3. What had the astronomers noticed in
5、 the sky? (Para 2)4. When did Copernicus complete his theory? (Para 3),3. What had the astronomers noticed in the sky? (Para 2),They had noticed that some planets in the sky seemed to stop, move backward and then go forward in a loop. Others appeared brighter at times and less bright at others.,4. W
6、hen did Copernicus complete his theory? (Para 3),Between 1510 and 1514 he worked on it, gradually improving his theory until he felt it was complete.,必修五Unit1Copernicusrevolutionarytheory含语言点,5. How did he explain changes in the movement of the planets and in the brightness of the stars? When did he
7、 publish his idea? (Para 4)6. Why do people think that there is a direct link between his ideas and the work of Isaac Newton, Albert Einstein and Stephen Hawking?(para 5),5. How did he explain changes in the movement of the planets and in the brightness of the stars? When did he publish his idea? (P
8、ara 4),He published his idea as he lay dying in 1543.,He placed a fixed sun at the centre of the solar system with the planets going round it and only the moon still going round the earth. He also suggested that the earth was spinning as it went round it.,6. Why do people think that there is a direc
9、t link between his ideas and the work of Isaac Newton, Albert Einstein and Stephen Hawking?(para 5),Because his theory is now the base on which all our ideas of the universe are built. His theory replaced the Christian idea of gravity. He showed this was obviously wrong.,Language Points,We firmly be
10、lieve that war never settles anything. It only _ violence. (2007浙江) A. runs into B. comes from C. leads to D. begins with我们认为战争不能解决任何问题，它只能导致暴力。lead to 意为“导致，引起” 。答案：C,lead to 通向，导致 (to是介词),(1) All roads lead to Rome.(2) His actions could lead to him losing his job.,1. , all his mathematical calcula
11、tions led to the same conclusion: ,lead sb. to do sth. 带领某人做某事Dr. Wu leads his students to do the research.lead sb. to do sth. “引导某人做某事(好事)”His hobby running leads him to become an athlete. lead sb. in / into doing“导致某人做某事(坏事)”Her rude words and deeds lead her in / into a great trouble.,知识链接,2. Only
12、 if you put the sun there did the movements of the other planets in the sky make sense.=,The movements of the other planets in the sky make sense only if you put the sun there.,必修五Unit1Copernicusrevolutionarytheory含语言点,only if “只有”。only if 引导的状语从放句首时，主句要用部分倒装。Only if you study hard, will you achieve
13、 your dream.,Only if your identity has been checked, _.A. you are allowed in B. you will be allowed inC. will you allow in D. will you be allowed in,D,小试身手,only if 与 if only 的区别(1) only if “只要”。(2) if only 有两个意思，一是“只要”，与 only if 用法相似；二是“但愿、要是就好了”，此时多用虚拟语气。 If only it clears up, well go. If only I ha
14、dnt told him about it. Its a good plan, if only we could carry it out.,3. So between 1510 and 1514 he worked on it, gradually improving until he felt it was complete.(1) work on 从事,She is working on a new novel.= She is writing a new novel.work on还有“对有影响，起作用” The doctor told him that this medicine m
15、ay work on him.,4. complete adj. 完整的, 完成的,We cant go out until our homework is complete. complete vt. 完成, 使完美；使完整 Can you complete your task on time? A second child would complete their family.,5. He placed a fixed sun at the centre of the solar system with the planets going round it . with the plan
16、ets going round it 是“with+宾语+宾语补足语” 构成的复合结构, 在句中用作状语，表示方式，原因或条件等。,1) 老师微笑着走进教室，身后跟着一群小朋友。 With a group of children following, the teacher came into the classroom with smile. 2) 随着考试的结束，我们的假期开始了。 With the test finished, we began our holiday.,6. cautious adj. 十分小心的，谨慎的(1) The old lady is very cautious with money. (2) The boss is cautious about making promises. caution n. 小心, 谨慎,