Question

从方框中选择适当的单词或短语填空

When the earth was born there was no ocean．The 　　1　　 cooling earth was enveloped in heavy layers of cloud, 　　2　　 contained much of the water of the new planet．　　3　　 its surface was so hot 　　4　　 no moisture(湿气)could fall without 　　5　　 being reconverted(恢复故态)　　6　　 steam．This dense, perpetually renewed cloud 　　7　　 much have been 　　8　　 thick that 　　9　　 rays of sunlight could penetrate(穿透)it．And so the rough outlines of the continents and the empty ocean basins(盆地)were sculptured out of the surface of the earth in 　　10　　．

1．________　2．________　3．________　4．________　5．________

6．________　7．________　8．________　9．________　10．________

Answer 1

答案：
解析：

1．gradually　2．which　3．For a long time　4．that　5．immediately　6．to　7．covering　8．so　9．no　10．darkness