Which of the following may be the reason for humanity’s exploring? According to the expert, the exploration of the Mars by robo

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问题 Which of the following may be the reason for humanity’s exploring?
According to the expert, the exploration of the Mars by robots ______.

选项 A、is not feasible in centuries
B、may be difficult to fulfill
C、might be fulfilled someday in future
D、will take decades of years

答案C

解析 本题是细节题,参见文章第4段末,其大意是:"找到这类生物需要测量地域广阔的地面,"一位专家说。"还要具有能走很长距离、适应各种环境的能力"。他承认,在遥远将来的某个时候,机器人被派到火星上去完成某项任务,人类探险家就会变成多余的了。但依靠机器人周期性地到火星上去进行测量可能还要待很长的时间。"如不待几个世纪,也要数十年"。
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