根据“A calorie is the amount of heat which is required to raise the temperature of 1kg of water by 1℃.”可知,5x(90-35)=275,因此将5公斤水的温度从35℃提高到90℃需要275卡路里。故选A。 (2)题详解: 推理判断题。根据“Carbohydrate provides 3.8cal/gm of the energy, protein 4.0cal/gm, ...
The human body is a living machine , and , like all machines , it needs “fuel” (燃料) to supply it with energy . This is provided by the food we eat . But how much do we need to stay healthy ? The energy value of food is usually measured in calories . A calorie is the amou...
Dive in and discover how you can explore the human body as a machine, tailored to your unique learning style and interests. The Human Body As A Machine This course is designed to explore the fascinating concept of the human body as a complex machine, focusing on how our bodies function to...
The human body is a living machine, and, like all machines, it needs “fuel to supply it with energy. This is provided by the food we eat. But how much do we need to stay healthy? The energy value of food is usually measured in calories(卡). A calorie is
The human body is a living machine, and, like all machines, it needs "fuel" (燃料) to supply it with energy. This is provided by the food we eat. But how much do we need to stay healthy? The energy value of food is usually measured in calories. A calorie is the amount of heat...
The human body is a living machine, and, like all machines, it needs “fuel” to supply it with energy. This is provided by the food we eat. But how much do we need to stay healthy? The energy value of food is usually measured in calories(卡). A calorie is the amount of heat ...
It's a common thing, but researchers don't have a good explanation for it.你曾经在某人面前打过哈欠,他们也打哈欠回应了你吗?这是很平常的事,但研究人员对此没有很好的解释.故选D.(4)B.主旨大意题.根据The human body is a machine that can raise ...
阅读理解。 The human body is a living machine, and, like all machines, it needs "fuel" to supply it with energy. This is provided by the food we eat. But how much do we need to stay healthy? The energy value of food is usually
The human body is a living machine, and, like all machines, it needs "fuel" (燃料) to supply it with energy.This is provided by the food we eat.But how much do we need to stay healthy? The energy value of food is usually measured in calories.A calorie is the amount of heat requi...
阅读理解 The human body is a living machine, and, like all machines, it needs“fuel to supply it with energy.This is provided by the food we eat.But how much do we need to stay healthy? The energy value of food is usually measured in calories.A calo