2. 外语
  3. While doing calculation for the project, the designers ________ a new solution to a geological problem.

While doing calculation for the project, the designers ________ a new solution to a geological problem.

admin2010-01-10  32
问题 While doing calculation for the project, the designers ________ a new solution to a geological problem.
选项 A、fell into
B、stumbled upon
C、set out
D、discovered
答案B
解析 “fall into”含义为“被卷入……”；“stumble upon”含义为“偶然找到，发现”；“set out”含义为“启程，出发”；“discover”含义为“发现，发觉”。从四个选项看，含有“偶然”含义的“stumble upon”最适合本句话。
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