问题
单项选择题
How long the haul for international deep-sea movement usually?（）
A.Very long
B.Ten thousands of miles
C.Thousands of miles
D.Thousands of kilometers
答案
参考答案：D
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How long the haul for international deep-sea movement usually?（）
A.Very long
B.Ten thousands of miles
C.Thousands of miles
D.Thousands of kilometers
参考答案：D