版本二:
Before the spacecrapt XXXX explore Mars, few theory were given to describe the Mars geology. One of scientist Y propose that is FORMation of the Mars geology is because of plate movement. The geology of Mars has many similarity to the ridges and lines of Atlantic bottom, and those ridges are explained by plate movement theory. because mars geology geometry assemble that of Atlantic sea bed, so Y can conclude that plate movement is also Mars reason. But another scientist M propose differently. beaus X, Y, Z. But at one point, he also have agree with a implication Y\''s theory make.
如何支持某一反对派的观点(该观点认为,火星陨石上的PH8是因为陨石长期埋在地球里,而从地球上沾上的;但支持观点认为研究表明PH8在陨石中的condensation 有里而外逐步增加。)答案:E PH8在陨石中的condensation 有里而外逐步减少。 ***银河系物质一篇银河系里面一种原来没有发现的物质B**,该物质比什么什么更稀薄... 第二段讲该发现有助于解开原来的什么现象...
版本三:
a group of researchers proposed that there is living organism on Mars based on the substances PHQ they found. others rebutted with these reasons: the same substance exists on earth for as long as 13000 years ago and this substance could be create through nonbiological process.