高中必修三unit4教案(3)

2020-06-20教案

Period 4 Using Language

  Teaching Goals:

  1. To improve Ss’ listening ability.

  2. To ensure Ss have really grasped the important words and phrases of the unit.

  Teaching Procedures:

  Step 1. Listening

  Purpose: To help Ss improve the listening ability.

  1. Pre-listening

  (1) Ask Ss to look at the photos of the three great scientists on P30 and say something about them. Then ask them the following questions.

  ① Do you know about some background knowledge of these three great scientists ?

  ② Can you say something about them?

  (2) Ask Ss to look through Ex1 and Ex2 on P30 and get fully prepared for listening to the tape.

  2. Listening

  (1) Ask Ss to listen to the tape and finish Ex1 on P30.

  (2) Play the tape again and ask Ss to check the answers in pairs.

  (3) Ask Ss to listen to the tape for the third time and finish Ex2 on P30. Then have some of them explain their answers.

  Step 2. Reading

  Purpose : To get Ss to know about human being’s feelings of visiting the moon.

  1. Fast reading

  Ask Ss to look through the text quickly and choose the best answer to the following question.

  The passage is mainly about ____?

  A. introduction of the moon            B. the gravity that I felt on my way to the moon

  C. my visit to the moon                D. my friend Yanping, an astronomer

  Suggested Answer:   C.

  2. Intensive reading

  Ask Ss to read the text carefully and finish the following exercises.

  (1) According to the text, we know that the force of the gravity would change _____ times.

  A. 2         B. 3        C. 4         D. 5

  (2) When did the author feel strongest of the gravity of the earth?

  A. On the moon.                    B. On the half way to the moon.

  C. At the very beginning              D. On their leaving from the moon

  (3) What causes the writer to feel that he becomes weightless on the moon?

  A. Spaceship   B. Gravity   C. His friend    D. His Good feelings of the moon

  (4) From the text we can know if a man grows up on the moon, _____.

  A. he will grow taller than on the earth        B. he will grow shorter than on the earth

  C. he will become fatter                    D. he will become weightless

  Suggested Answers:   (1) B  (2) C  (3) B  (4) A

  Step 3. Speaking and writing

  Purpose: To get Ss to learn how to prepare a list of things used for going to the moon.

  To practice the writing ability of Ss.

  1. Divide the whole class into 6 groups. Let Ss discuss with their group members what they might need to go to the moon. Meanwhile, ask one student of each group to write down the important parts of their discussion.

  2. After the discussion Ss have had some knowledge of the things they would need if they were going to the moon. Get them to describe the three ways in which gravity changed for Li Yanping and how his weight changed..

  3. Then Ss to write a short passage explaining three problems they might meet on the moon as well as the solutions to these difficulties. Before writing, they can have a discussion.

  Step 4. Consolidation

  1. Ask Ss to finish Ex2 and Ex3 on P63~P64 and let them check the answers together.

  2. Ask Ss to finish the following exercises.

  (1) Fill in the blanks with proper words according to the given information.

  ① The scientific study of the stars is called a______________.

  ② Eating too much during the Spring Festival can do great h_______ to our health.

  ③ The patient’s health is g___________ improving with the help of the doctor.

  ④ The mixture of gases that surround the earth is called a_____________.

  ⑤ People can find lots of v___________ scenes in some American films.

  ⑥ Hearing the exciting story, almost everyone in the room _____________(爆发) with laughter.

  ⑦ The forest __________(延伸) as far as the river bank.

  ⑧ The wife was much ____________ (失望的) at her husband’s absence.

  ⑨ Marx was _________ (强迫) to leave his motherland for political reasons.

  ⑩ There is much dust __________ (漂浮) in the air.

  Suggested Answers: ① astronomy  ② harm  ③ gradually  ④ atmosphere  ⑤ violent ⑥exploded  ⑦ spreads  ⑧ disappointed  ⑨ forced  ⑩ floating

  (2) Finish the following sentences according to the Chinese.

  ① ______________________________________ (使我苦恼的) is that I haven't heard from him recently.

  ② Do not read books in the poor light as it is _____________________ (对你的眼睛有害).

  ③ _____________________ (随着时间的推移), we are getting better with each other.

  ④ _____________________________________________ (我过去在工厂工作了十年) has a great and active effect on my life.

  ⑤ Please try to come back early _______________________________. (既然一切都安排好了)

  Suggested Answers:

  ① What makes me upset / annoyed     ② harmful to your eyes  ③ As time goes by  ④ That once I worked in a factory for ten years  ⑤ now that everything has been arranged

  (3) Choose the best answer to the following sentences.

  ① The Americans are eating _____ vegetables today as they did before.

  A. more than twice                        B. more than twice as many

  C. twice over as many                     D. over twice as much

  ② If you always work so hard like this, you will ____ sooner or later..

  A. break up         B. break out           C break down          D. break in

  ③ — Will you go out for shopping this Sunday?

  — Well, ___________.

  A. I would like to go.    B. it all depends   C. I have a lot of work to do     D. certainly not

  ④ Beyond _____ stars the astronaut saw nothing but _____ space.

  A. the; /              B. /; the              C. /; /            D. the; the

  ⑤ _____ you have got a chance, you might as well make use of it.

  A. After             B. Although           C. As soon as           D. Now that

  Suggested Answers: ① B   ② C   ③ B  ④ A  ⑤ D

  Step 5. Homework

  1. Ask Ss to use the words and phrases learned in this unit to write a short passage about their own opinions on traveling to space.

  2. Ask Ss to preview the next period.

上一篇:高中品质必修三教案下一篇:高中化学必修三教案