一起答
单选

According to ERC supporters, scientists

  • are not reaching their full potential
  • be
  • cause    [A] the European Union is not as competitive as the U. S..    [B] member states cannot cooperate as shoul
  • d have.    [C] Europe does not have enough top research institutions.    [D] research activities in Europe lack enough competition.             &nbs
试题出自试卷《2013年考研《英语》考前押密试卷(五)》
参考答案
查看试卷详情