2. 职称英语
  3. A、wholly effective, but typically ignoredB、inexpensive, but insufficiently usef

A、wholly effective, but typically ignoredB、inexpensive, but insufficiently usef

游客2025-02-23  27
问题
选项 A、wholly effective, but typically ignored
B、inexpensive, but insufficiently useful
C、promising, but difficult to implement
D、necessary, but likely to produce ill side-effects
E、universally accessible, but unnecessary
答案 C
解析
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