内容正文:
{#{QQABQYYAgggoQBBAAAgCEwWACAKQkBAACKoOwAAIoAABwBNABAA=}#}
{#{QQABQYYAgggoQBBAAAgCEwWACAKQkBAACKoOwAAIoAABwBNABAA=}#}
{#{QQABQYYAgggoQBBAAAgCEwWACAKQkBAACKoOwAAIoAABwBNABAA=}#}
{#{QQABQYYAgggoQBBAAAgCEwWACAKQkBAACKoOwAAIoAABwBNABAA=}#}
{#{QQABQYYAgggoQBBAAAgCEwWACAKQkBAACKoOwAAIoAABwBNABAA=}#}
{#{QQABQYYAgggoQBBAAAgCEwWACAKQkBAACKoOwAAIoAABwBNABAA=}#}
对比70万年前的草海,现代草海往东(南)移动。(3分)
(2)草海湖床东部深,西部浅。(3分)
70万年前的草海,可发现湖泊往东南移动,可以推
测原湖床为东深西浅。
{#{QQABQYYAgggoQBBAAAgCEwWACAKQkBAACKoOwAAIoAABwBNABAA=}#}