2013
高考英语（广东省）文章阅读限时训练（11）及答案 ⅱ.语法填空 it is widely accepted 1.____________the universe began with a “big bang”．after the “big bang” ，the earth was still just a cloud of dust，and 2.____________it was to become was uncertain.but between 4.5 and 3.8 billion years ago，the dust settled into a solid globe，which exploded 3.____________(violent) with fire and rock.so many gases were produced and were to make the earth’s atmosp
