2024·全国·模拟预测
1 . 下列正确结论的个数为( )
①
②
③
④![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b3e94b6e42bf4eaab31ebfa642effbd.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da48d1a462054169758ce4bbed704845.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0a1378cbfe2328652be559282e13835.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8f73ab490baad65931aef239db69ff3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b3e94b6e42bf4eaab31ebfa642effbd.png)
A.1 | B.2 | C.3 | D.4 |
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2 . 令
.则
的最大值在如下哪个区间中( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c7e80ff3b5d2cfe7bb3f7c9b62be191.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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