教材习题点拨
WARMING UP
Suggested answers include:
·If you eat too much energygiving food you will become fat and suffer from high blood pressure.
·If you eat too much bodybuilding food you will grow taller and stronger but not necessarily healthier.
·If you eat too much protective food for every meal you may lack energy.However,without protective food(over a long period of time)you can get serious illnesses like scurvy(lack of vitamin C)or rickets(lack of vitamin D).
·If you don't eat enough food of any of the three kinds you may get anorexia(too thin).
PREREADING
Suggested answers to Question 1:
A good meal should contain some food from each of the three categories above.
COMPREHENDING
Answer key for Exercise 1:
1.True.
2.False.It would take longer than that.
3.True.
4.False.No.It gave them protective food but no energygiving or bodybuilding food.
5.False.His menu gave customers energygiving food.
6.False.He decided to advertise the benefits of his menu!
Suggested answers to Exercise 2
1.Li Chang always came to his restaurant so if he did not,it meant that something serious had happened to stop him.
2.He did not want Yong Hui to tell lies and people to believe her.
3.If he gave his customers cheaper prices and advertised the benefits of his menu,perhaps his customers would return.
Answer key for Exercise 3