知识问答
最佳答案：Transitional use of resources will enable the earth's resources were exhausted.
最佳答案：Surrounding the earth is a layer of air of unknown thickness.豆豆19902009 - 助理 二级怎
最佳答案：The water,you are Earth's blood.You,on the Earth have not had the life.The water
最佳答案：主语从句:It is known to us that the earth moves around the sun.或者That the earth move
最佳答案：although two third surfaces of the earth are coverded by ocean,the water in ocea
最佳答案：Because she missed her husband HouYi,she stayed in the moon ,the nearest planet
最佳答案：When the solar wind reaches the Earth's vicinity,and the Earth's dipole magnetic
最佳答案：it's bright lightfrom earth to moonin Americakeep their eyes closedat the same t
最佳答案：1,出了大气层,宇宙飞船就不会感受到地球的引力了.（spaceship；gravity）Out of the atmosphere,the spaceship
最佳答案：We have to economize on water and electricity resources, the protection of the e
最佳答案：过去分词作状语,用在与逻辑主语成被动关系的时候,而此句中,Seen from the space ,the earth is a blue planet.ear
最佳答案：It is clear that with the destroying of the forest,the earth's climate will chan
最佳答案：No other planet is better than Earth for human being to live on.
最佳答案：Initially there is no oxygen in the earth,and later with oxygen,the earth we now
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