The human body is a machine that can raise lots of interesting questions. Why, for example, are yawns (呵欠) contagious (传染的)? What's up with ice-cream headaches? Here are answers to these and other questions about our bodies.Why do I get a headache when I eat ice cream too ...
故选A。" /> 阅读理解 The human body is a machine that can raise lots of interesting questions. Why, for example, are yawns (呵欠) contagious (传染的)? What's up with ice-cream headaches? Here are answers to these and other questions about our bodies. Why do I get a headache when...
A 答案A。【参考译文】每个人都有这个常识:人体是一台精巧的机器。【详细解答】本题需要填入一个用语修饰machine 的形容词delicate(精心的)可以用来修饰machine。precise意为“精确的、准确的”,sensitive意为“灵敏的”,considerate意为“考虑周到的、体谅的”,这三个词用于本题都不太贴切。反馈...
The human body is a machine that can raise lots of interesting questions. Why,for example, are yawns(呵欠) contagious(传染的)? What's up with ice-cream headaches? Here are answers to these and other questions about our bodies.Why do I get a headache when I eat ice cream too quickly?
根据第二段“A calorie is the amount of heat required to raise the temperature of 1 kg of water by 1℃”一公斤的水升温一摄氏度需要一卡热量,可知,五公斤的水从35摄氏度升温到90摄氏度,需要5*(90-35)=275卡路里。故选D。 (2)题详解: 推理判断题。根据第三段“Carbohydrate provides 3.8 Cal /...
The human body is a complex machine. From the day we were born, our bodies grow and change in response to our diets and habits. The body has many different organ(器官)systems and parts that work together to allow us to breathe, move, see, talk, and digest food all at the same time...
The human body is a living machine, and like all machines, it needs oil to supply it with energy. That is the food we eat. But how much do we need to stay healthy? The energy value of food is usually tested by calories(卡路里).A calorie is the number of heat required to raise t...
The human body is a machine that can raise lots of interesting questions. Why, for example, are yawns(呵欠)contagious(传染的)?What's up with ice-cream headaches? Here are answers to these and other questions about our ...
The human body is a complex machine, and still remains a mystery even after years of medical research. All the organs in the body work by itself, yet together with other organs to ensure that its parent remains healthy. However, there are many diseases and infections that, if not treated ...
能量The human body is a living machine, and like all machines, it needs fuel to supply it with energy.This is provided mainly by the food we eat. But how much do we need to stay healthy?The energy value of food is usually measured in calories(卡路里). A calorie is the amount of ...