托福考试

【单选题】
A、( To explain how winds cause turbidity currents
B、To remind the student where ocean sediments originate
C、To explain the effects of turbidity currents
D、To remind the student about the next assignment

网考网参考答案：C
网考网解析：
[听力原文] Why does the professor mention desert winds document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>