Mea 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 burns . This measurement tells how much energy a certain food has when it is completely used by the body .
Our bodies use varying 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 to eat too many foods that have a high calories rating . The table below gives you some idea of the number of calories in food .
A. Meats |
B. Fruits |
C. Sweets and pastries |
D. Vegetable |
Slice of bacon 50 |
Apple 70 |
Small chocolate bar 190 |
60g bean 15 |
Hamburger 300 |
Orange 60 |
Large chocolate bar 225 |
60g carrot 18 |
Slice of beef 100 |
Pear 80 |
Slice apple pie 300 |
60g potato 60 |
Sausage 180 |
Banana 80 |
Doughnut 200 |
60g onion 25 |
Meat pie 500 |
Plum 20 |
Scoop of ice cream 85 |
60g cucumber 10 |
Sausage roll 350 |
Tomato 20 |
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.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 he calorie intake down , it is better to eat more ________ .
A.chocolate |
B.meat pie |
C.fruit |
D.apple pie |
4.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 |
1.A
2.A
3.C
4.B
【解析】
1.A 主旨题:从第一段的句子:The unit which measures the quality or value of food is the calorie, the amount of heat given off by food when it burns 和第二段的句子:The table below gives you some idea of the number of calories in food . 说明卡路里是衡量食物质量的单位,而表格中就是各种食物的卡路里。选A。
2.A 数字计算题:从表格第二行Slice of bacon 50和第七行Sausage roll 350可知答案是:七片培根。选A。
3.C细节对比题:从表格中看出几个选项中是水果卡路里最少。选C。
4.B细节题:从文章的第二段的:The more exercise we take, the more calories we burn .
看出活动量越大需要卡路里越多。选B。
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