题目内容
（请给出正确答案）
[单选题]
Its values are composed of component elements that are related to some structure.上述句子的准确含义是:
A.它的价值由部件元素组成,这些元素与一些结构相关。
B.它的值是由与某种结构相关的组件元素所组成。
C.它的价值由一些元素构成,这些元素与某些结构有关。
D.它的值由一些部分构成,与一些构造相同。
提问人：网友slzylh
发布时间：2022-01-07
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Resources Resources are found in nature. They make a better quality of life for humans. Soil, air, water, sunlight and trees are all examples of resources that humans use every day, whether they know it or not._____（26） A natural resource is a material fund in nature and used by living things. Air, rocks, metals, oil and salt are all natural resources. Renewable（可再生的）resources are resources that can be replaced._____（27）Trees that are cut down can be replaced quickly when seeds or baby trees are planted. Water from our bathtubs（浴盆）can be cleaned for use. Plants, wind and rain can help clean the air to make it safe to breathe even if it comes out of a car or a factory. Sometimes resources cannot be replaced after they are used._____（28）Once nonrenewable resources are all used up, nature will not be able to replace them. Oil, natural gas, soil and metals are all examples of nonrenewable resources. Coal is another example of a nonrenewable resource._____（29）Humans mine the coal underground and use it as an energy source. Once humans have mined all the coal from inside Earth, there will be on more for us to depend on._____（30）For example, wind and water turbines（涡轮机）are now being used to produce energy. _____.A.These are called nonrenewable resources.
B.They replace some of the need to burn coal.
C.It is made by nature deep in Earth.
D.Without resources, humans could not live on Earth.
E.Trees, air, water and energy from the sun are renewable resources.
F.Luckily, humans are finding new ways to replace coal.
_____.A.These are called nonrenewable resources.
B.They replace some of the need to burn coal.
C.It is made by nature deep in Earth.
D.Without resources, humans could not live on Earth.
E.Trees, air, water and energy from the sun are renewable resources.
F.Luckily, humans are finding new ways to replace coal.
_____.A.These are called nonrenewable resources.
B.They replace some of the need to burn coal.
C.It is made by nature deep in Earth.
D.Without resources, humans could not live on Earth.
E.Trees, air, water and energy from the sun are renewable resources.
F.Luckily, humans are finding new ways to replace coal.
_____.A.These are called nonrenewable resources.
B.They replace some of the need to burn coal.
C.It is made by nature deep in Earth.
D.Without resources, humans could not live on Earth.
E.Trees, air, water and energy from the sun are renewable resources.
F.Luckily, humans are finding new ways to replace coal.
_____.A.These are called nonrenewable resources.
B.They replace some of the need to burn coal.
C.It is made by nature deep in Earth.
D.Without resources, humans could not live on Earth.
E.Trees, air, water and energy from the sun are renewable resources.
F.Luckily, humans are finding new ways to replace coal.
