問題詳情

Nowadays millions of people watch their weight because they realize it is not healthy in mostcases to be too fat. So they “count calories.” This means they find out how many caloriesdifferent foods produce and try to keep the calories down. But after all, what is a calorie? Theamount of heat required to raise the temperature of one gram of water by one degree Celsius ( 1oC )is called one gram calorie. Different foods provide different amounts of calories. One gram ofprotein, for instance, contains four calories, and one gram of fat contains nine calories. Thehuman body turns consumed calories into the energy it needs. It does not care where it gets itscalories as long as it gets enough to keep functioning. How many calories does the body need?It is estimated that an average adult needs somewhere between 2,000 and 3,000 calories per day,depending on the work the person does. What happens if a person takes in more calories than heor she needs? Well, the food is not burned off to produce the energy the body needs but istransformed into fat instead! That is the reason why many people are now “counting calories.”
46. The above passage MOST likely appears in a _______________.
(A) personal diary
(B) travel guide
(C) weather report
(D) health magazine

參考答案

答案：D
難度：簡單0.736842
統計：A(1),B(4),C(0),D(14),E(0)

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