读下面两段材料 ,思考并回答下列问题。 材料一:1975年,我国科学

读下面两段材料 ,思考并回答下列问题。

材料一:1975年,我国科学考察登山队在喜马拉雅山区的岩石中发现了含有鱼、海藻、海螺等生物化石。

材料二:近年来,人们发现在台湾海峡海底的某些地方分布着古代森林的遗迹。

两段材料说明了什么?材料一和材料二分别说明地表形态如何变化的?

答: ___________________________________________________________

_________________________________________________________________________________________________________________________________

答案

两段材料说明今天的地表形态都是经过漫长的历史时期不断演变而成的,地形在不断地变化着。

材料一说明海陆变迁中由海洋变为陆地 ;材料二说明海陆变迁中由陆地变为海洋。

相关题目

摩揭陀国国王阿育王在印度家喻户晓。如果按古印度“种姓
摩揭陀国国王阿育王在印度家喻户晓。如果按古印度“种姓制度”划分,他属于 A. 首陀罗           B. 婆罗门           C. 吠舍          
向含有AgCl(s)的饱和AgCl溶液中加水,下列叙述正确的是(
向含有AgCl(s)的饱和AgCl溶液中加水,下列叙述正确的是( ) A.AgCl的溶解度增大 B.AgCl的溶解度、Ksp均增大 C.Ksp(AgCl)增大  D.AgCl的溶解度、Ksp
(3)下列几何体各自的三视图中,有且仅有两个视图相同的是
(3)下列几何体各自的三视图中,有且仅有两个视图相同的是         ①正方体                 ②圆锥                   ③三棱台 
Science and technology have advanced at such a rate that cloning has now become
Science and technology have advanced at such a rate that cloning has now become a reality. The possibility of cloning humans is a serious subject and raises moral questions. In my opinion, cloning is
Wang Peng sat in his empty restaurant 61.___________ (feel) very frustrated. By
Wang Peng sat in his empty restaurant 61.___________ (feel) very frustrated. By now his restaurant 62. _____________ be full of people. But not today! He thought of his mutton, beef and bacon 63. _
The coffee is wonderful! It doesn’t taste like anything I ____ before. A.w
The coffee is wonderful! It doesn’t taste like anything I ____ before. A.was having         B.have        C.have ever had        D.had ever had
函数的图象为,如下结论中正确的是__________(写出所有正确
函数的图象为,如下结论中正确的是__________(写出所有正确结论的编号).                       ①图象关于直线对称;②图象关于点对称
直线2x-y-2=0绕它与y轴的交点逆时针旋转所得的直线方程
直线2x-y-2=0绕它与y轴的交点逆时针旋转所得的直线方程是( ) A.-x+2y-4=0         B.x+2y-4=0 C.-x+2y+4=0         D.x+2y+4=0

最新题目