北师大版 高二 选修 7 Unit 21

Lesson 2 Brain Power Lesson 2 Brain Power

Match the Key Words with the definitions(1-5). atom, billion, cell, nerve cell, organ

1. one thousand million 2. a part of the body that has a particular purpose, e.g. the heart, the liver 3. the smallest piece of something that can exist alone 4. a tiny part of the body that helps carry messages to and from the brain 5. a unit of living matter billion organ cell atom nerve cell

Complete the sentences with the following words. atom, billion, cell, nerve cell, organ, function, sight, hearing,fear Key words study

atom, billion, cell, nerve cell,organ, function, sight, hearing, fear 1.He watched the boat until it is out of. 2.How many are there in the universe ? 3.The medicine is made to kill cancer. 4.The eye is the of sight. 5.The population of China reaches up to 1.3. sight atoms cells organ billion

atom, billion, cell, nerve cell,organ, function, sight, hearing, fear 6.The of the heart is to pump blood through the body. 7.A is a tiny part of the body that helps carry messages to and from the brain. 8.He showed no in facing the big difficulty. function nerve cell fear

Listen to a science lesson. Use the Strategies to complete the gaps in this summary. The brain consists of grey and (1) _____ matter. It weighs (2) ______________. It uses (3) _____of the body’s energy. It contains over (4) ______________ which make up nerve cells. These nerve cells are connected by electrical impulses. There white just over a kilo 20 ﹪ 100 billion cells

brain than there are (5)____________ ________. Scientists have mapped different areas of the brain which are responsible for (6) _________________. The areas of the brain related to controlling (7) _______________ could be compared to miniature film studios. atoms in the universe different functions sight and hearing are more possible connections in one Our eyes and ears send signals (8)

picture of the outside world. Scientists have also identified areas responsible for different emotions, such as (9) ____, love and laughter. There are also different areas for different types of thinking, such as learning your own language and learning a (10) _______ language. fear foreign ___________, and it is our brain that interprets these signals and builds up all the time

1. How do you think the teacher feels about his subject? Listen to the lesson again and answer these questions. Enthusiastic.

2. What example does he use to explain the way the brain controls different parts of the body? A computer. 3. What does he compare to a film studio? The areas of the brain related to controlling sight and hearing.

Listen to a student phone-in program about revising for exams and complete the table. What advice do they give?

Caller Advice Caller 2 get some exercise, don’t drink a lot of coffee Caller 3 give yourself rewards and a break Caller1 plan the revision, make a list of the things you’ve got to study and do the most important things first

Vocabulary: Phrasal Verbs

Match the words and expressions below with the verbs in the text. appear, discover, look at…in detail (×2), make a note of, mention, pass, postpone, start, understand, learn…from Last month, I had an important English exam. I decided not to (1)________ put off studying (as I normally do!) and got up early every morning to (2) ________ postpone start

get down to work straight away. I’m a “morning person” and I (3) ___________ got a lot out of my revision sessions. I always began by (4) ________________ going over a practice test I had done - checking my answers and (5) __________ finding out what I’d got wrong. I also tried to (6) __________ work out why I’d made mistakes. If I didn’t understand something, learned… from looking at…in detail discovering understand

I’d (7) _____________ write it down and then (8) _______ bring it up in class with my teacher. She was very helpful and she (9) _______________ went through all of the things that would probably (10) ______ come up in the exam. In the end the exam wasn’t so bad after all and I think I (11) ______ got through it. Mind you, I still haven’t had my results yet! make a note of appear passed looked at…in detail mention