下列结果正确的是( )
A.![]() | B.![]() |
C.![]() | D.![]() |
23-24高三上·河南郑州·阶段练习 查看更多[3]
更新时间:2023-10-08 07:15:14
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解题方法
【推荐1】已知函数
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/508fc95c75d6ba2b33eb7396b1ecf146.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/535a3c79e164ed2d12fd873030c9ac8d.png)
A.16 | B.![]() | C.![]() | D.![]() |
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【推荐1】已知函数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2346ef4b07896fffe9205681f707d87.png)
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0790b4cc0d44ed6b955f99ac0c08a0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2346ef4b07896fffe9205681f707d87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f1174e9492a34917f5f43c3f211c1f4.png)
A.4040 | B.4038 | C.2 | D.9 |
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【推荐2】已知在等差数列
中,
,
,数列
的通项
,
是数列
的前
项和,若
,则
与
的大小关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2693734765399876e9e93cdb110231c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b50b3927041221a53f19b6a0549d71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b80182bfa4e200198c9da2987010f78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/958f8afdcc7b235726611e1f4a65bd67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐1】我国每年浪费的粮食总量至少能养活2亿人,而全球有近6.9亿人处于饥饿状态.习近平总书记对制止餐饮浪费作出重要指示,强调要“坚决制止餐饮浪费行为,切实培养节约习惯,在全社会营造浪费可耻,节约为荣的氛围”,在各级政府的大力倡导下,人们的节约意识逐步提高,浪费的粮食以每年
%递减,从2020年开始计算,我国最早从哪一年开始能使浪费的粮食不超过2020年浪费粮食总量的
?( )(参考数据:
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b7f27ebcef70a3ebbbe8d2e53ea0896.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3e6f66f9e4e2a49a0db2489894e9d97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b58ebe6148d43fb701a23e039438c54.png)
A.2032 | B.2033 | C.2034 | D.2035 |
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【推荐2】海上渔业生产发展迅猛,我国自主研发的大型海洋养殖船纷纷下海.网箱养殖人工创造适合鱼类生长的环境,一段时间内,研究人员发现网箱内氧的含量
(单位:
与时间
(单位:
之间的关系为
为网箱内氧的初始含量且
),且经过
后,网箱内氧的含量减少
.若当网箱内氧的含量低于初始含量的
时需要人工增氧,则大约经过( )
后需要人工增氧.
参考数据:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b72045c4dfd00534d846aa8a4a30e8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58c96353f8056dff319f94860a5acbb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d401ffd37c26e182d6c648b6eabd31e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b486bb5957f6a7309a8c77e485ccf7d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f7745c6cbb45b338284c5de2016315a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0adc870dbf35d5aeb2da2d2ae45e9749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d33adb74906403b0b00fcbd9fa691d8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1933311c0c090e1138e4dd388b7adf8a.png)
参考数据:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb8f5b560c5cea567a5e5c3462085b43.png)
A.39 | B.33 | C.31 | D.27 |
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