A、<img width="60" height="22" id="图片 416" src="https://static.tiw.cn//s/tiw/p3/UpLoadImage/2016-08-09/9b997161-5981-4b3f-81e8-326c73795622.png">
B、<img width="95" height="28" src="https://static.tiw.cn//s/tiw/p3/UpLoadImage/2016-08-09/e84a24fd-c33a-4d66-9ecb-f9666cd2c0f7.png">
C、<img width="50" height="19" src="https://static.tiw.cn//s/tiw/p3/UpLoadImage/2016-08-09/efc51ffa-9088-411d-8e2b-2e9f813d2c02.png">
D、<img width="52" height="22" id="图片 419" src="https://static.tiw.cn//s/tiw/p3/UpLoadImage/2016-08-09/22189fa1-2bef-4d02-8acb-dccc38249b91.png">
A、<img width="59" height="22" id="图片 416" src="https://static.tiw.cn//s/tiw/p3/UpLoadImage/2016-09-01/2a5913cc-4db7-4791-9b52-c4069ebc7c7d.png">
B、<img width="95" height="28" src="https://static.tiw.cn//s/tiw/p3/UpLoadImage/2016-09-01/b57ee1ec-5c62-4691-8732-9a53687ec361.png">
C、<img width="59" height="23" src="https://static.tiw.cn//s/tiw/p3/UpLoadImage/2016-09-01/0b24c270-e988-437a-99ce-bd501ef4b571.png">
D、<img width="54" height="23" id="图片 419" src="https://static.tiw.cn//s/tiw/p3/UpLoadImage/2016-09-01/26f9a861-59e0-4eb9-8164-5dd8027b7f1a.png">
A、<img width="74" height="27" id="图片 1099" src="https://static.tiw.cn//s/tiw/p3/UpLoadImage/2013-05-07/c2c3bb49-6ac3-448b-b0c3-41570f7c13e1.jpg">
B、<img width="125" height="36" id="图片 1098" src="https://static.tiw.cn//s/tiw/p3/UpLoadImage/2013-05-07/e0686a2d-3839-41c1-a2ed-ee821e4b5670.jpg">
C、<img width="66" height="25" src="https://static.tiw.cn//s/tiw/p3/UpLoadImage/2013-05-07/62adbd6e-4795-4318-8372-5c4db8a80bb4.png">
D、<img width="65" height="28" id="图片 1097" src="https://static.tiw.cn//s/tiw/p3/UpLoadImage/2013-05-07/7d3a032d-f045-455e-8324-ec1bd094969f.jpg">
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正确答案
试题解析
A项，a＞b＞1，则
；B项，a＞b＞1，底数在1到无穷大的，同真数的，底数越大，其值越小，即
；D项，a＞b＞1，当底数大于1时，指数函数为增函数，即
．
