题型:判断题 ---- What are they doing?---- Look, they ________ on the playground.A. are running B. runs C. is running 查看答案
题型:判断题 在企业的全部经营资本中,负债资本占了60%,在这种情况下,( )。A.企业只有财务杠杆效应,而无经营杠杆效应B.企业只有经营杠杆效应,而无财务杠杆效应C.举债经营不引起总风险的变化D.举债经营会使总风险加剧 查看答案