Meat and vegetables are measured in grams and kilograms. Milk and other liquid foods are measured in liters or milliliters. These units only measure quantity: they do not measure the value of the food to the body. The unit which measures the quality or value of food is the calorie the amount of heat given off by food when it brurns. This measurement tells how much energy a certain food has when it is completely used by the body.

Our bodies use varying（不同程度的） amount of calories. The more exercise we take, the more calories we burn. If we eat food which contains more calories than we use up, then it is possible that we would increase in weight. In order to avoid becoming overweight, it is advisable to eat a balanced diet and not eat too many foods that have a high calorie rating. The table below gives you some idea of the number of calories in food.

1. Which is the best title of passage?

　 A. How to Measure the Quality of Food　　 B. Calories in Foods

　 C. The Units of Measurement　　　　　　 D. How to Keep Fit

2. How many slices of bacon equal the same number of calories as in a sausage roll?

　 A. 7. 　　B. 6. 　　 C. 5. 　　D. 8.

3. To keep the calorie intake（吸收） down, it is better to eat more____________　 .

　 A. Chocolate　　 B. meat pie 　　 C. Fruit 　　　 D. apple pie

4. Which word in this passage means “heavier than normal”?

　 A. Advisable.　　 B. Overweight.　 C. Balanced.　 D. Measurement.

5. When do you need the most calories from your diet?

　 A. When we sleep. 　　　　B. In working in the fields.　　

　 C. While watching a play　 D. After having sports.

The article suggests that when a person 　　　　　 under unusual stress he should be especially careful to have a well-balanced diet.

　 A．be　　　　 B．is　　　　　 C．were　　　　 D．was

　 Meat and vegetables are measured in grams and kilograms. Milk and other liquid foods are measured in litres or millilitres. These units only measure quantity; they do not measure the value of the food to the body. The unit which measures the quality or value of food is the “calorie”. A calorie is the amount of heat given off by food when it burns. This measurement tells how much energy a certain food has when it is completely used by the body.

　 Our bodies use varying(不等的)amount of calories. The more exercise we take, the more calories we burn. If we eat food which contains more calories than we use up, then it is possible that we would increase in weight. In order to avoid becoming overweight, it is advisable to eat a balanced diet(饮食)and not eat too many foods that have a high calorie rating. The table below gives you some idea of the number of calories in food.

　 A. Meats　　　　　　　　　　　 B. fruits

　 slice of bacon　　 50　　　　 apple　　　 70

　 hamburger　　　　 300　　　 orange　　　　 60

　 slice of beef　　　　 100　　　 pear　　　 80

　 sausage　　　　 180　　　 banana　　　　 80

　 meat pie　　　 500　　　 plum　　　 20

　 sausage roll　　　 350　　　 tomato　　　　 20

C. Sweets and Pastries　　　　　　 D. Vegetables

small chocolate bar 190　　　 60g beans　　　 15

large chocolate bar 225　　　 60g carrots　　 18

slice apple pie　 300　　　 60g potato　　 60

doughnut　　　 200　　　 60g onion　　　 25

scoop of ice cream 85　　　　 60g cucumber 10

bag of potato crisps　 145　　　 60g cabbage 15

1. Which is the best title of this passage?

　 A. How to Measure the Quality of Food

　 B. Calories in Foods

　 C. The Units of Measurement

　 D. How to Keep Fit

2. To keep the calorie intake down, it is better to eat more____.

　 A. chocolate　　　　　　　 B. meat pie

　 C. fruit　　　　　　　　　 D. apple pie

3. Which word in the passage means “heavier than normal”?

　 A. Advisable.　　　　　　　 B. Overweight.

　 C. Balanced.　　　　　　　 D. Measurement.

4. When do you need the most calories from your diet?

　 A. When you sleep.　　　　　　 B. In working in the fields.

　 C. While watching a play.　　　 D. After having sports.

Eating too much sugar can _____health problems. So we must have a balanced diet.

　 A. lead to　　　　　 B. result from　　 C. refer to　　　 D. devote to

---Della, would you like some potato chips?

　 ---No potato chips for me---I’m ______ a diet.

　 A. at　　　　　　 B. in　　　　　 C. on　　　　 D. with