单选题 The designing of a satellite in the heavenly environment is {{U}}not absolutely{{/U}} an easy job.
  • A. by all means
  • B. by any means
  • C. by every means
  • D. by no means
【正确答案】 D
【答案解析】[解析] by all means“一定”，by any means“无论如何”，by every means用得较少，意为“竭尽全力”，相当于by all means, by no means“决不”。