1 . 已知
、
是两个不等的正数,则
,
,
的大小顺序是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b622b33debd979082a6c41dd34c9afa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b762e781e62c891f545fd6fa1d70502.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da560b2542a4425e68f6d68217693fc6.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 已知函数
,设
.那么,
的大小顺序为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f8570a569a9691ddab937499bfee16d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7ca842e1a02ab7919fb2be30a94500.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3fb0c9c7e30bbc0ec8c3521577ee4fb.png)
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2007高三·江西·竞赛
3 . 设
为锐角,
,
,
,则x,y,z的大小顺序为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e9b49139d1441f6fb41c3414fe4e8b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c564b0d5497120cf174e5fbe2c737f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff8c7cb0cd6528d65f7aef575bbb604b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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4 . 设
,则
的大小顺序是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ada5e0f6acc0871207e3e4f28988b129.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61012073458b25d501f2d9e7e14f3e11.png)
A.![]() |
B.![]() |
C.![]() |
D.![]() |
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5 . 已知
.则
与1的大小关系是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12f102439ebd1efd422f04209ecec2bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b35ea7f267540858eb4106f24eae92be.png)
A.![]() | B.![]() |
C.![]() | D.大小与![]() |
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