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Water had also appeared on other planets like Mars but,1the earth,it had2 later. It was not immediately obvious3 water was to be4to the development of life. 5 many scientists believe is that the continued6of water allowed the earth to dissolve7 gases and acids into the oceans and seas. This produced a 8reaction,9made10  possible for life to develop.

高一英语单词拼写中等难度题

少年,再来一题如何?
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