1若alog117,blog0. 83,则()AabBabCalog1110,blog0.83b.答案:A2如果,那么()Ayx1 Bxy1C1xy D1yx答案:D3满足不等式log3xlog3(2x)的x的取值集合为_解析:由题意得解得0x1时,由题意得,即loga21,a2;当0a1,log3alog32log3a.