【答案】percent【核心短语/词汇】be made up of,由……组成【翻译】人体的大约70%是由水组成。【解析】本题考查名词的辨析。percentage不受数字修饰,不指具体的百分比,通常用在一些形容词或起形容词作用的词之后,也可单独使用;percent通常和一个具体数字连用,指具体的百分比。该空前有数字70修饰,故应用percent。故...
The average human body contains what percentage of water? Water accounts for what percentage of the human body's weight? Determine the percent of water in Na2S2O3.5H2O. What percent of water is salt water? How much of our total body weight is water?
Adult men contain the next highest level of water. Adult women contain a lower percentage of water than babies or men. Obese men and women have less water, as a percentage than lean adults. How much water is in your body depends on your hydration level.2People feel thirsty when they have...
The water percentage in a child’s body ranges from 60% to 75% in the first year of life and falls slowly to adult levels by puberty. In infants and children, the total body water percentage is higher due to there being more water in the extracellular compartment. According to the Nelson...
Knowing the extent of human influence on the global hydrological cycle is essential for the sustainability of freshwater resources on Earth1,2. However, a lack of water level observations for the world’s ponds, lakes and reservoirs has limited the quantification of human-managed (reservoir) change...
7. Only one percent of the world's water is useful to human beings. 相关知识点: 试题来源: 解析 答案见上考查名词拼写。结合语境以及所给词语首字母分析,可知句意为:世界上只有百分之一的水是对人类有用的。这里表示百分比,应该使用名词percent。故答案为percent。
Human alteration of Earth is substantial and growing. Between one-third and one-half of the land surface has been transformed by human action; the carbon dioxide concentration in the atmosphere has increased by nearly 30 percent since the beginning of the Industrial Revolution; more atmospheric nitr...
百度试题 结果1 题目1. Only one percent of the world's water is useful to human beings. 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
Normally, feces are made up of 75 percent water and 25 percent solid matter. About 30 percent of the solid matter consists of dead bacteria; about 30 percent consists of indigestible food matter such as cellulose; 10 to 20 percent is cholesterol and other fats; 10 to 20 percent is inorgani...
95 percent of the population measured would be included in the normal range—that is, 47.5 percent above and 47.5 percent below the mean at the very centre of the bell. Looked at in another way, in any given normal biological distribution 5 percent will be considered outside the normal rang...