题目

_____ vocabulary you have, ______ you'll find it to read the newspaper of English-speaking countries. A The larger… the easier    B The larger…the more easily C The more…the easier       D The more …the more easily 答案:A已知函数y=f(x)是定义在R上的奇函数,且当x∈(﹣∞,0)时不等式f(x)+xf′(x)<0成立,若a=30.3•f(30.3),b=(logπ3)•f(logπ3),c=()•f().则a,b,c的大小关系是(  )   A. a>b>c B. c>a>b C. c>b>a D. a>c>b
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