单选题 Though sometimes______, all too often technology is seen as a______for the great economic, social, and political challenges facing the nation as it embarks on the path of modernization.
  • (A) expensive… solution
  • (B) effective … panacea
  • (C) ignored… salve
  • (D) relevant … prerequisite
  • (E) calamitous … fillip


【正确答案】 B
【答案解析】