2. 外语
  3. A、Of the three models of spatial curvature proposed by Einstein, only spherical geometry contradicts the Euclidean model. B、The

A、Of the three models of spatial curvature proposed by Einstein, only spherical geometry contradicts the Euclidean model. B、The

admin2009-05-19  67
问题
选项 A、Of the three models of spatial curvature proposed by Einstein, only spherical geometry contradicts the Euclidean model.
B、The primary evidence for the notion is that that observers cannot see spatial flexure directly, but perceive it as gravitational attraction.
C、Space mapped on the spherical geometrical model may curve in one of three ways, as Einstein proposed.
D、Spheres typically contain only three dimensions, whereas most models of the universe attribute it at least four.
E、Scientists are skeptical, given that mass and energy quantities seem insufficient, yet ultimately do not know enough to dismiss the notion.
答案E
解析
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