单选题
The oil exploration unit operates in very ______ areas and requires staff members who can adapt to isolation.
【正确答案】
C
【答案解析】由并列连词and后的requires staff members who can adapt to isolation(需要能够适应孤立环境的员工)可知，横线处应填入具有“孤立的，没有人居住的”词义的形容词。答案是 (C)remote(偏远的，偏僻的。(A)far指“(时间、距离)远的，遥远的”。