人教新课标高中英语必修三Unit4Astronomy全单元详细教案 下载本文

S3: It will pull us.

T: Right, maybe when we are approaching it, we will be caught in it. So let’s come to the black hole.

T: What are in the black hole?

S: A large circle of lights going round an empty space. T: What is the circle of lights? S: Large stars.

T: What is the empty space like?

S: It looks like a mouth needing to be fed. T: How did they feel?

S: They watched in shock and amazement as a large sun suddenly disappeared into the hole. T: So what did they decide to do?

S: They decided to turn the spaceship away from the hole . T: What was happening?

S: not move--- jump and move around the edge of the outside of the hole--- pulling us slowly into its “mouth”--- go faster and faster. T: What did the author feel?

S: feel sick, the watch moves slower and slower, my mouth dry, close my eyes. T: It seemed that they would be caught by the gravity of a “black hole”. But what happened later?

S: jump again--- increase its speed--- as fast as light--- flew like a bird. T: This time, how was the author affected?

S: was bumped and banged--- able to look around us--- the computer started working again. T: What did the author feel? S: Exciting. T: Why?

S: They realized that they had discovered something new about “black hole”---- They “eat’ some objects but “spit” other objects out.

Step5. Homework

1. Search for more about the black hole.

2. Read these two passages again to find out how to organize a story.

Period 3 listening task, talking, listening and writing

Step1. Lead in

T: We learn so much about Li Yanping’s trip, do you know why did he go to space? S1: To do research in astronomy. S2: Just to enjoy himself. S3:…

Step2. listening

T: So let’s listen to Professor Walli’s interview with Li Yanping about his space walk. Then try to

answer the question.

Why did Li Yanping have his first space walk?

A. To collect data for his research on gravity. B. To test the function of the new spacesuit. C. To make the Hubble telescope work again.

Step3.Discussion

T: Was it easy for him to make the Hubble telescope work again? What difficulty would he meet? Discuss in groups, and try to share your ideas.

Ss: The change of gravity, temperature, no food, no water, no oxygen… T: In order to solve these problems, what should an astronomer bring? Ss: food, oxygen can, water, boots…

Step4. Second Listening

T: Listen to the tape again. Pick out the information and draw lines from the list to where the

things are on the suit of the astronaut.

1. Oxygen can 2. Water system 3 . Gravity boots 4. Left engine 5. Right engine 6. Tool kit

Step5. Talking

T: So as an astronomer, he should be well prepared before starting, right? Ss: Yes.

T: What should he pay attention to when getting ready? What are the dos and don’ts?

Try to use these expressions to make up a set of instructions.

Please look at/ listen to… Please check that… You need… Please pay attention to… Don’t forget to… You’d better… Make sure you… Watch out for… You must(n’t)…

Step6. Pre-listening

T: Actually, an astronaut should be careful in his preparation and remember all these instructions. By the way, Our country has many famous astronomers and China has made great efforts and contribution in astronomy.

Qs: Do you remember the manned spacecrafts Shenzhou 5 and 6 ? When were they launched?

Who took them? (Astronauts/Taikonauts: Yang Liwei (Shenzhou 5); Fei Junlong & Nei Haisheng (Shenzhou 6)) When were they launched?

How long was the manned spaceflight mission? Spacecraft When Who How long Shenzhou 5 October 15, 2003 Yang Liwei 21 hours and 23 minutes Shenzhou 6 October 12, 2005 Fei Junlong and Nie Haisheng 5 days (Note: ShenZhou-5 is the first manned spaceflight mission launched by China on 15 October 2003, following four unmanned experimental missions between 1999 and 2002. ShenZhou-5 spaceship carried astronaut YANG Liwei into earth orbit and made China one of only countries (after Russia and the U.S.) in the world to independently launch a human into space. The spaceship’s re-entry capsule landed safely 21 hours after the launch at the landing site in Inner Mongolia.)

T gets the Ss to watch a TV programme about the journey to space.

T: It must be an exciting experience for the astronauts Yang Liwei, Fei Junlong and Nei Haisheng to take a trip into space. They are lucky enough to be chosen. Not all the pilots can be chosen to take a space trip. What kind of standards do you think they should reach? S: …

Step7. Listening

T: Now let’s follow the reporter Mr. Renault to have an interview with Yang Liwei. 1. Listen to the tape and finish Ex. 1 on P62.

1) Yang Liwei became an astronaut by chance. F 2) Nobody over 170cm can be an astronaut. F

3) Yang Liwei trained for 10 years to become a pilot. T

4) If Yang Liwei had problems in space, there were ways to save him. T

5) China is the third country to send people into space just like Russia and the USA. T 6) Yang Liwei thinks he was lucky to China’s first man in space. T 2. Listen to the tape again and finish the chart in Ex. 2 on P62 The exams he passed Experience Physical qualities Personal qualities Information on Yang Liwei, the astronaut Excellent degree and 10 years’ training Pilot for the air force of the PLA Smaller than 170cm; less than 70 kg Calm, mature, hard-working

Step8. Discussion

1.Why is it important to be calm as an astronaut? 2 What have you learnt from the great scientist? 3.What qualities should a scientist have?

(creative, hard-working, confident, brave, determined, devoted, intelligent, knowledgeable, careful, patient, strong-willed…)

3. Do you want to be a Chinese man or woman astronaut or scientist? If you want to, what

should you do now in preparation?

Step9 writing

T: To get Ss to summary how to write an outline.

So from this class, do you know what we will meet on the moon? Brainstorming for writing

When, where, who, why , what are the problems and how to solve. How to write an outline?

heading

The first paragraph (introduction)

Outline (main idea)

Body (your own ideas on the item)

Conclusion (summing up)

Step10. Homework:

1. Search more information about Shenzhou 5 and 6. 2. Read and learn good words or phrases learnt in class.

Period4. Grammar: Noun Clause used as the subject

T: Can you find the following sentence in the reading passage?

What it was to become was a mystery until the dust began to slowly combine into a ball moving around the sun.

In this sentence a noun clause is used as the subject.

Please pick out three more sentences with subject clauses from the reading passage. 1. because it was not clear whether the solid shape was to last or not. 2. What scientists think is that the earth was different because of …

3. Whether life will continue on the earth for millions of years to come will depend on … P64 USING STRUCTURE

Do you know where we come from? How did the universe begin? Read the passage and try to understand how Stephen Hawking solved the problems? 1. What has attracted Stephen Hawking all his life?

What the universe is like has attracted him.Does he think it simple to answer the questions?

What’s his opinion?

No. The answers have always well beyond our reachWhat have we discovered about the universe,

past and present?

Milky Way galaxy; billions of galaxies, in a universe that is infinite and expanding; big bang; black hole; a dark matter; a possible Big Crunch.

4.How can we have a complete picture of the universe? Learning to understand what we see.

做主语用的名词性从句,因其在复合句中做主语,又称主语从句,引导主语从句的有从属连词that, whether, 连接代词who, what, which, 连接副词when, where, how, why等。