1．enough protective food

　　2．plenty of energy­giving food

　　3．enough energy­giving food

　　4．plenty of protective food

　　Answer key for Exercise 4

　　1．Wang Peng is worried because his restaurant is not as full as it usually was.

　　2．He follows his friend to a newly opened restaurant which is very popular.

　　3．Worried，he does some research to win his customers back.

　　Suggested summary of the story：

　　Wang Peng is worried because his customers are not coming to his restaurant as they usually did.He follows his friend to a newly opened restaurant which offers to make people thin in two weeks.Worried，he does some research and tries to win his customers back.

　　Suggested answers to Exercise 5：

　　Ideas will vary but possible answers to Question 1 are：

　　·Wang Peng will offer more protective food with his meals such as salad.

　　·He will cook his food in less oil.

　　·He will stop serving ice cream and cola because both of those have too much fat or sugar.

　　Possible answers to Question 2 are：

　　·Wang Peng will lose his restaurant.

　　·Yong Hui will come to his restaurant and become very angry with him.

　　·Yong Hui's customers will become so tired they will return to Wang Peng's restaurant.

　　Suggested answers to Exercise 6

Kind of cooking What skill it describes 1 barbecue Cook food on a metal frame over a fire，usually outdoors 2 roast Cook something in an oven or over a fire 3 stir­fry Cook quickly by moving the food around continuously in very hot oil 4 fry Cook something in hot fat or oil