四六级考试

【单选题】Questions 9 to 12 are based on the conversation you have just hearD、
A、It’s cleaner.
B、It’s heavier.
C、It’s warmer. D、It moves more slowly.
网考网参考答案：B
网考网解析：
[解析] Q: How is a turbidity current different from the water around it [解析] 选B，信息明示题。女士解释在沉积的过程中，沙泥和水流混合在一起，由此可知turbidity currents要比周围的水密度大；另外，文章明确提到denser and heavier than other ocean water，故选B。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>