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Water had also appeared on other planets like Mars but, 1 the earth,it had 2 later. It was not immediately obvious 3 water was to be 4 to the development of life. 5 many scientists believe is that the continued 6 of water allowed the earth to dissolve 7 gases and acids into the oceans and seas. This produced a 8 reaction, 9 made 10 possible for life to develop.
Water had also appeared on other planets like Mars but, 1 the earth,it had 2 later. It was not immediately obvious 3 water was to be 4 to the development of life. 5 many scientists believe is that the continued 6 of water allowed the earth to dissolve 7 gases and acids into the oceans and seas. This produced a 8 reaction, 9 made 10 possible for life to develop.
小题1:unlike
小题2:disappeared
小题3:that
小题4:fundamental
小题5:what
小题6:presence
小题7:harmful
小题8:chain
小题9:which
小题10:it
小题1:unlike 句意为“水已经出现在其他的行球上，比如像火星，但不像地球一样。”unlike 不像
小题2:disappeared 句意为“他稍后就消失了”had disappeared 完成时
小题3:that “it is obvious that ”明显地 。。。 It 形式主语。 真正的主语为that 从句
小题4:fundamental 句意为 “水是生命发展的基础”fundamental 基础的，基本的
小题5:what 主语从句少believe 的宾语用what “很多科学家认为的是。。。”
小题6:presence “水的持续出现”出现，呈现presence 名词
小题7:harmful dissolve 。。。Into 溶解“把有害的气体和酸溶解为。。。”
小题8:chain “一个反应链”
小题9:which 非限制性定语从句，少主语， 指代物用which
小题10:it "make it possible"使。。。成为可能， it形式宾语。
小题2:disappeared 句意为“他稍后就消失了”had disappeared 完成时
小题3:that “it is obvious that ”明显地 。。。 It 形式主语。 真正的主语为that 从句
小题4:fundamental 句意为 “水是生命发展的基础”fundamental 基础的，基本的
小题5:what 主语从句少believe 的宾语用what “很多科学家认为的是。。。”
小题6:presence “水的持续出现”出现，呈现presence 名词
小题7:harmful dissolve 。。。Into 溶解“把有害的气体和酸溶解为。。。”
小题8:chain “一个反应链”
小题9:which 非限制性定语从句，少主语， 指代物用which
小题10:it "make it possible"使。。。成为可能， it形式宾语。
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