A. are responsible for different function.

B. have no connection.

C. haven't been mapped.

3. It is ____ that listen and see what's happening around us.

A. ears and eyes. B. brain

C. nervous system.

Answers : C A B

Ⅲ Listening and speaking

Do the exercise 3

Listen to the lesson again and answer these questions.

1. How do you think the teacher feels about his subject?

2. What example does he use to explain the way the brain controls different parts of the body?

3. What does he compare to a film studio?

Answers: 1.enthusiastic 2. computer 3. The areas of the brain related to controlling sight and hearing.

Ⅳ Listening

Listen to the cassette and answer the questions

1. The dialogue is between_______.

A. host and listener.

B. Teacher and student.

C. doctor and patient.

2. Caller one _____.

A. is learning French and German.

B. pay attention to getting things organized.

C. Always makes a list of things that will be bought.

3. Caller two thinks ______.

A. drinking coffee can keep the brain working well.

B. It is good for the brain to take a walk.

C. you should go for library to study for hours for the exam.