题目

Peter is thirteen. He is   1  Grade Two this year. He likes to play football and watch football matches. And he often   2  newspapers. He does his best to know where and when a football match will be. Now Peter is having lunch. He is   3  the radio, too.  He is very happy   4  there will be a nice football match on TV at four   5  this afternoon. He wants   6  it very much. But he is going to have English and Chinese lessons. It’s   7  for him to find a way.“Hello, Mrs. Black,” Peter says to his teacher   8  the phone. “Peter is ill in bed. He wants to 分式3x-2y5xy中x、y的值都扩大为原来的4倍,则分式的值(  )A.扩大为原来的4倍B.不变C.缩小为原来的14倍D.无法确定
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