New mineral resources may be discovered during the forthing Antarctic .
A. excursion
B. execution
C. extraction
D. expedition
网友回答
A. excursion
B. execution
C. extraction
(答案→)D. expedition
解析：expedition 远征, 探险; excursion 短途旅行, 游览; execution 实施, 执行; extraction 提取。