2. 职称英语
  3. The dog has always been noted for ______. [br] The dog has been of most value to

The dog has always been noted for ______. [br] The dog has been of most value to

游客2025-03-16  34
问题 The dog has always been noted for ______. [br] The dog has been of most value to man in the development of ______.
选项 A、a treatment for rabies
B、open-heart surgery
C、a cure for distemper
D、Both A and C
答案 B
解析 见第三段第三句Open-heart surgery has been made possible largely because of the dog．
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