2. 外语
  3. When the earth was born there was no ocean. The gradually cooling earth was enveloped in heavy layers of cloud, which【S1】______m

When the earth was born there was no ocean. The gradually cooling earth was enveloped in heavy layers of cloud, which【S1】______m

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问题     When the earth was born there was no ocean. The gradually cooling earth was enveloped in heavy layers of cloud, which【S1】______much of the water of new planet. For a long time its surface was so hot that no moisture could fall without【S2】______being reconverted to steam. This dense, perpetually renewed cloud covering much has been so【S3】______ that no rays of sunlight could penetrate it. And so the rough【S4】______of the continents and the empty ocean basins(盆地)were sculptured out of the surface of the earth in【S5】______As soon as the earth’s crust cooled enough, the rains begin to fall. They fell【S6】______day and night, days passing into months, into years, into centuries. They【S7】______into the waiting ocean basins, or, falling upon the continental masses, drained away to become sea.
    That primeval(原始的)ocean must have been only faintly【S8】______But from the moment the rains began to fall, the lands began to be【S9】______away and carried to the sea. It is an endless, inexorable(不可阻挡的)【S10】______that has never stopped- the dissolving of the rocks, the leaching out of their contained minerals, the carrying of the rock fragments and dissolved minerals to the ocean. And over the eons(极长的时期)of time, the sea has grown ever more bitter with the salt of the continents.
A)thick F)procedure K)process
B)darkness G)outlines L)successively
C)composed H)contained M)worn
D)continuously I)salty N)poured
E)brightness J)immediately O)abundant
【S6】
选项
答案D
解析 副词辨析题。本句不缺少任何必要成分，因此，空格处需要填入副词。根据空格后表示时间的词组可以推知，continuously“不断地”是正确答案。
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大学英语四级

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