高二数学不等式的性质同步练习理人教版(答题时间:30分钟)1.已知0a,01b,下面不等式成立的是()A.2ababaB.aabab2C.2abaabD.aabab22.下列命题中正确的是()A.22bcacbaB.bacbcaC.baabba11033D.baabba110223.若角、满足22,则的取值范围是()A.0B.C.02D.224.x、y、z均为大于1的负数,则一定有()A.0222zyxB.1xyzC.3zyxD.1)(2xyz5.正数a、b、c满足cbda,cbda则()A.bcadB.bcadC.bcadD.ad、bc大小不确定6.03log3logba,则有()A.10baB.ba1C.10abD.ab17.121a,21aA,21aB,aC11,aD11,则有()A.DCBAB.DBACC.DBCAD.DCAB1【试题答案】1.D2.C3.A4.B5.C6.B7.B2