Questions 1/1

Making an efficient icebox was not as easy as we might now suppose. In the early nineteenth century, the knowledge of heat, which was essential to a science of refrigeration, was rudimentary. (英语二2004年Text 2) 

The word “rudimentary” is closest in meaning to _______.

  • Abasic
  • Bsufficient
  • Cnecessary
  • Dundeveloped

考研英语二阅读理解基础巩固

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