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必修五 Unit1 Copernicus revolutionary theory含语言点


Using language (1)

Nicolaus Copernicus

born: in Poland in 1473 died: May 24, 1543

He was one of the first scientists to use mathematical observation to colle

ct 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 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

sun

earth

Before Copernicus’ theory
A diagram showing the solar system with the earth at its centre

Showing Copernicus’ theory
A diagram showing the solar system with the sun at its centre

Careful Reading

1. Why could he not tell about his theory? (Para 1)
2. What was his theory about? (Para 1)

1. Why could he not tell about his theory? (Para 1) Because the powerful Christian Church would have punished him for even suggesting such an idea. 2. What was his 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.

3. What had the astronomers noticed
in 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. When 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.

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? (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? (Para 4)

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.
He published his idea as he lay dying in 1543.

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)

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.

We firmly believe 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

1. …, all his mathematical calculations led to the same conclusion: … 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.

2. Only 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.

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 your dream.

[小试身手]

Only if your identity has been checked, _____. D A. you are allowed in B. you will be allowed in C. will you allow in D. will you be allowed in

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 may work on him.

4. complete adj. 完整的, 完成的 We can’t 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 planets 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

Homework
1. Surf the Internet and get more information about Copernicus. 2. Finish the Reading Task and Writing Task after class. 3. Revise the whole unit.


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