填空题 While experts in basic science are important, skilled talents should be the overridingmajority since they are at heavy demand in the market.
  • A.While
  • B.skilled talents
  • C. overriding
  • D.at heavy demand


  • 1、
【正确答案】 1、D改为in heavy demand    
【答案解析】[解析] 本题考查的是习惯用语(be)in demand,意思是“需要”,而不是用at demand来表示。