2. 职称英语
  3. ________in the color of sea water from blue to green seem to be caused by high o

________in the color of sea water from blue to green seem to be caused by high o

游客2025-01-30  8
问题 ________in the color of sea water from blue to green seem to be caused by high or low concentration of salt.
选项 A、Varieties
B、Variations
C、Disparity
D、Degeneration
答案 B
解析 本题考点是词义辨析。根据语境可知题空处应该是指海水颜色从蓝到绿的变化。A选项variety意为“多样，种类”；B选项variation意为“变化，变异，变量”；C选项disparity意为“不同，悬殊”；D选项degeneration意为“变性，退化，恶化”。variety侧重事物的种类多样性，是事物的特性；’variation侧重变化本身，故B选项符合句意。本句大意为：海水颜色由蓝到绿的变化似乎是由海水中所含盐分的浓度高低造成的。
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