The Secret of Life教案

2. we now know that the need to wear glasses has a genetic cause.
the need to wear glasses is caused by various eye problems. people who are short-sighted are only able to read things which are close to them, while people who are long-sighted cannot see things clearly when they are near. both long- and short-sightedness can be corrected by wearing glasses.
3. our eating habits also appear to be decided by our genes!
eating habits are the tendency to prefer certain kinds of food. some people are said to have a “sweet booth” because they like lots of cakes, sweets and chocolates. other people naturally don’t like meat and so on.
4. do you enjoy dangerous sports such as car racing?
car racing is the competition between high-performance cars, usually around a track. the formula one circuit is perhaps the best known of these but there are also other kinds of race, such as rallies.
5. this is true of things such as how violent we are, and how well we get on with other people
how well we get on with other people is to do with our temperament. some people like the company of others while other people prefer to be alone. some people are happy to share, while others are selfish. these characteristics will affect how well we get on with other people.
6. … the fact is that scientists will be able to “read” our genes in the near future.
literally the verb “read” means to look at marks on paper and understand what they mean. the word is also applied in other contexts, such as to “read” your mind --- to try to understand what someone is thinking. in this genetic context, it means to understand what  a person is like by looking at the make-up of their genes.
step 5 read dna --- the secret of life on page 16 again. compare it with your genes, your future on page 22.
1. which passage do you find more exciting?

2. do either of the passages worry you? why?/ why not?

3. which passage gives examples from real life?
would you prefer examples from real life in the other passage?
4. which passage gives more scientific information? would you prefer to have more scientific information?
5. which passage do you think you will remember for longer?
period five
content: task，module file
write an article. you should:
introduce the subject of genetics