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.

A. Meats

Slice of bacon 50

Hamburger 300

Slice of beef 100

Sausage 180

Meat pie 500

Sausage roll 350

B.Fruits

Apple 70

Orange 70

Pear 80

Banana 80

Plum 20

Tomato 20

C. Sweets and Pastries

Small chocolate bar 190

Large chocolate bar 225

Slice apple pie 300

Doughnut 200

Scoop of ice cream 85

Bag of potato crisps 145

D. Vegetables

60g carrots 18

60g potato 60

60g onion 25

60g cucumber 10

60g cabbage 15

【小題1】A

【小題2】A

【小題3】C

【小題4】B

【小題5】B


解析:

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