高一英語必修3 Unit 4教案
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.