标题: 有个句子好绕，实在是看不懂，求解啊 [打印本页] 作者: wyylucie 时间: 2011-12-9 00:24 标题: 有个句子好绕，实在是看不懂，求解啊 Not all life depends on energy from sunlight. Microbial life has been found in bedrock more than five kilometers below the surface of the Earth, and bacteria have been found on the deep ocean floor feeding on hydrogen and other gases rising from the interior of the Earth through vents in the ocean floor.
The statements above, if true, best support which of the following as a conclusion? (A) The location in the bedrock where microbial life was found was not near a system of volcanic vents through which hydrogen and other gases rose from the interior of the Earth. (B) Bacteria are able to exist at the molten center of the Earth. (C) A thorough survey of a planet's surface is insufficient to establish beyond a doubt that the planet contains no life. (D) Life probably exist on Sun-orbiting comets, which are cold agglomerations of space dust and frozen gases. (E) Finding bacterial remains in coal and oil would establish that the bacteria had been feeding on substances that had not been produced from the energy of sunlight.
C) says that if there is no sign of life on the SURFACE of a planet, it is not sufficient to conclude that there is no life thereon. The reason? Because life might be found UNDER the surface of the planet, in places such as the ocean floor or rock-bottom.作者: kellyjoe 时间: 2011-12-9 22:24
一次对地表的粗略调查不能得出一个星球没有生命这样武断的结论。作者: wyylucie 时间: 2011-12-10 16:47
原来强调的Surface！！多谢解答啊！！作者: wyylucie 时间: 2011-12-10 16:48
