单选

According to the passage, what are people doing in the continent?

  • A.Building the natural storehouse.
  • B.Exploring the vast natural resources.
  • C.Installing permanent bases on its edge.
  • D.Mapping the coast and whole territory.
参考答案
您可能感兴趣的试题
¥

订单号:

遇到问题请联系在线客服

订单号:

遇到问题请联系在线客服