填空题 (While) experts in basic science are important, (skilled talents) should be the (overriding) majority 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。