______ in the color of sea water from blue to green seem to be caused by high or

游客2023-07-16  11

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、Variations
B、Evaporations
C、Explorations
D、Explosions

答案 A

解析 名词辨义。variation意为“变化,变异”,如:a variation of ten pounds in weight(在重量上十磅的变化量);evaporation意为“蒸发”,如:air evaporation(空气中蒸发);exploration意为“探险,探测”.如:Arctic exploration(北极探险);explosion意为“爆发,爆炸”,如:explosions of laughter(哄堂大笑)。
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