[高一]Unit 2 In the lab Lesson6(人教版)

Step1. Revision the instructions for the chemistry lab
Ask the students to review what they must do and must not do when they are having class in the chemistry lab by using the “dos and don’ts”. Such as : Don’t touch anything unless the teacher tells you to do.

Step2. Presentation
Ask the students the question in order to lead in the new text.
(1) Do you like your teachers?
(2) Which teacher has impressed you most?
(3) Could you tell us something about the teacher who you like best ?
(4) What kind of teacher do you like best ?( What kind of teacher do you want ? )
Then after the students’ free talk begin the new lesson by saying “today we are going to read a story about a very interesting chemistry teacher.”

Step 3. Preparation for reading
The teacher shows the students three tubes of liquid---one is filled with white vinegar（白醋）, one with alcohol（白酒）, and the other one is filled with cooking oil（香油）.Then ask them to come to the front to taste each of the liquid in order to lead in the reading. The student who tastes the liquid must make a face after tasting because of the different taste of the liquid. Then ask all the students to watch the teacher carefully who does as the teacher in the text does. Then tell the students that the liquid is very delicious. Ask them why the teacher doesn’t make a face.

Step 4. Reading
1.Ask the students to read the text and then try to find out the following answers :
2.For the second reading the students are supposed to do the reading comprehension exercises.
(1) What does” taste”mean in paragraph 4?
　　A. be able to tell the difference between several things and through trying.
　　B. eat something
　　C. drink something
(2) Paul can’t forget his first chemistry teacher because .
　　A. The teacher was strict and kind
　　B. the teacher was humorous (幽默的)
　　C. the teacher taught him something useful in the first lesson
　　D. The teacher was a little man with thick glasses
(3) Before the teacher mixed the three kinds of liquids, he told the students to.
　　A. Watch carefully
　　B tell the names of the liquids
　　C be silent and listen to him carefully
　　D take out a notebook and write everything he would do
(4) How many fingers did the teacher use during the whole experiments?
(5) From the teacher’s smile, the students thought the mixture must taste.
　　A. Good 　　　　B. Bad 　　C. Bitter 　　D. terrible
(6) what kind of teacher is he?
　　A. Excellent at teaching
　　B. funny
　　C. cunning
　　D. ordinary looking
(7) Why did the teacher ask the students to watch for the Second time?
　　A .He wanted the students to see what he would mix.
　　B. He wanted the students to see that he used different fingers
　　C. He wanted to have the students’ attention
　　D. He wanted the students to learn how to do experiments
(8) What does the sentence “ You must do everything as I do “ mean in paragraph 3 ?
　　A. You should follow me, please.
　　B You must do everything in the whole process（过程）of the experiment.
　　C You should do everything yourselves
　　D You should only do something.
(9) What did the teacher give to the students in the first lesson?
　　A. some knowledge on chemistry
　　B. some knowledge on experiment
　　C. instruction in mixing liquids
　　D. instruction in the right way to learn science.
(10) How did Paul think of this teacher ?
　　A. Disliked the teacher
　　B. respected（尊敬）and liked him
　　C. liked the teacher because the teacher looked interesting
　　D. liked the teacher because the teacher is a chemistry teacher and he likes chemistry very much.

Key: 1. B 2. C 3. A 4. D 5. A 6. B 7. B 8.A 9.D 10. B

Step 5. Retelling the text
Ask the students to retell the text first in pairs then individually.
Step 6. Language points.
Step 7. Homework
Finish the exercises of the workbook.
Retell the story