按板块构造说,喜马拉雅山的形成是 板块与 板块碰撞,挤压抬升形成的,而大西洋则是板块 形成的。
亚欧;印度洋;张裂。
-Do you think English is _________ math?
-I think so.[ ]
A. as more important as
B. as the most important as
C. as importance as
D. as important as
下列做法中,有利于实现可持续发展的是
A.南方山区大规模修筑梯田,发展水稻种植
B.内蒙古东部草原大力垦荒开辟耕地
C.黄土高原缓坡地区努力封坡育林育草和修筑水平梯田
D.三江平原大力排干沼泽、开辟耕地