2. 外语
  3. Obviously these are all factors affecting smooth operation, but the underlying problem is still to be identified.

Obviously these are all factors affecting smooth operation, but the underlying problem is still to be identified.

admin2014-03-02  19
问题 Obviously these are all factors affecting smooth operation, but the underlying problem is still to be identified.
选项 A、operational
B、fundamental
C、operating
D、underneath
答案B
解析 operational操作的；fundamental基础的，根本的；operating运行的，操作的；underneath下面的。
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