太绝了!央视把227篇课文拍成纪录片!网友:早点看到,我娃也能上清华北大!
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原来,在7500万年前,地球上发生了一次大的造山运动,叫喜马拉雅造山运动。两大陆地板块相撞,拱起了一座喜马拉雅山,又经过经年累月的变迁,天山山脉随之出现。火焰山属于天山的支脉,与天山山脉基本平行。因为火焰山的存在,天山的融水被火焰山阻隔。而它的山体由砂岩构成,透水率极低。无形中提升了火焰山区的温度。
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原来,在7500万年前,地球上发生了一次大的造山运动,叫喜马拉雅造山运动。两大陆地板块相撞,拱起了一座喜马拉雅山,又经过经年累月的变迁,天山山脉随之出现。火焰山属于天山的支脉,与天山山脉基本平行。因为火焰山的存在,天山的融水被火焰山阻隔。而它的山体由砂岩构成,透水率极低。无形中提升了火焰山区的温度。