题目内容
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.
ACBC
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