The most important environmental influence on fish is water temperature, for fish tend to ______ the temperature of their surrou

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问题 The most important environmental influence on fish is water temperature, for fish tend to ______ the temperature of their surroundings.

选项 A、avoid
B、exceed
C、assume
D、regulate

答案C

解析 assume“呈现(某种形式)”,“接受”;avoid“避免”,“防止”;exceed“超过”,“越出”;regulate“调整”,“调节”,多用于调整速度、调节热量等,本题意为:“最影响鱼的是水温。而鱼类仅是本能地适应其周围水域的温度。”因此,C是正确答案。
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