Percentage:整体的比例 Percentage通常用来表示整体中的某个部分所占的比例。它前面一般不直接跟数字,而是用来说明一个整体中某部分的数量或质量。例如:“The percentage of oxygen in the air is high.”(空气中的含氧量很高。)这里,percentage强调的是整体(空气)中氧气的比例。 Percent:具体的百分比 Percent则是...
另一个例子是:“Only a small percentage of the population supports this policy.” 这句话意味着只有很小一部分人口支持这项政策,这里的“percentage”用于描述支持政策的人口所占的比例。 还有一个例子是:“The percentage of oxygen in the air is high.” 这句话表示空...
The human brain is very small and light(only two percent of our total body weight),but it needs about 20% of the oxygen(氧气) that our body takes in.We can't think well if our brain isn't getting enough oxygen,so always make sure there is enough oxygen in the air when you need ...
The human brain is very small and light only two percent of our total body weight, but it needs about 20% of the oxygen (氧气) that our body takes in. We can't think well if our brain isn't getting enough oxygen, so always make sure there is enough oxygen in the air when you ...
Because the oxygen concentration is high in the alveoli and low in the blood entering the pulmonary capillaries, oxygen diffuses from the air into the blood. Likewise, because the concentration of carbon dioxide is higher in the blood entering the capillaries than it is in the alveolar air, ...
) that our body takes in. We can't think well if our brain isn't getting enough oxygen, so always make sure there is enough oxygen in the air when you need to learn or remember something. No one can remember everything. but everyone can learn how to improve their memory. Here are ...
In order to calculate the percent (%) composition of oxygen (O) in water (H2O), you must determine the mass of the total compound, in...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your tough homework...
They help control the earth’s temperature and produce half of the oxygen (O2) in the air.”可知,虽然我们有困难,但了解海洋是很重要的。此处they指代上文的seas。故选B。 (3)题详解: 细节理解题。根据“Our future depends on learning more about our oceans, and it is possible for us to ...
Though we have the difficulties, it's important that we understand the sea. They help control the earth's temperature and produce half of the oxygen(氧气) in the air. They can also provide us with information about climate change. Our future depends on learning more about our oceans, and ...
They help control the earth’s temperature, produce half of the oxygen (O2) in the air and provide us with information about climate change. Our future depends on learning more about our oceans, and it is possible for us to really understand what is ongoing below the surface.1. Why are ...