名校
解题方法
1 . 在我国,每年因酒后驾车引发的交通事故达数万起,酒后驾车已经成为交通事故的第一大“杀手”.《中华人民共和国道路交通安全法》中规定:酒后驾车是指车辆驾驶员血液中的酒精含量大于或者等于
.某课题小组研究发现人体血液中的酒精含量
(单位:
)与饮酒后经过的时间
(单位:
)近似满足关系式
其中
为饮酒者的体重(单位:
),
为酒精摄入量(单位:
).根据上述关系式,已知某驾驶员体重
,他快速饮用了含
酒精的白酒,若要合法驾驶车辆,最少需在( )(取:
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cac182fe9ab0a8d8d717e22adf3f9bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1ac562e5ac2ebbc5982b4e2e20e88a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06b9ddb2a7bc24f674a9d753d0320fa7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1933311c0c090e1138e4dd388b7adf8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b63827bc1100ed5f90d196bca9b1520d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91edc7e2d4811f5ea6c01284cf00393a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24f7c4a8558eff6427d22b6c0c855721.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dbedf6c311491cc09dd17c7bef33813.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64a31f08e8a65d0cec5b41b7de76f647.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a995e170d82fe91845b61d4c9abe9667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3df7e2531a768fdd3441190d67b575a0.png)
A.12小时后 | B.24小时后 | C.26小时后 | D.28小时后 |
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解题方法
2 . 下列函数中,在区间
上单调递减的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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3 . 若
,
,
,则正数
大小关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fbd09e560887f8b826206e5dcbfe0d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95f3406589c80c548c2072a89357589a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/615490e1ec51137c8792f0418db24b9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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4 . 设
,则
的大小关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63cdb37f8009be5a10586fea811c6575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
5 . 设
,则有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb1fad14aa57f881f201e870c4f20593.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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6 . 函数
,若
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c2b1dca48474b915853776d814447aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83ba392d3e708fd13634343e9e87a0a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/802b63bc47020528ee43be34ad045bea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c5b69176884bcdc4239d60a093ed7c3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
7 . 设定义在
上的函数
满足
,
为奇函数,当
时,
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f0d2a39035b8046045727e60443ace.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e81e15b871dd32b2438ef8025bcc42d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0eac2b31a19918895e5af2d316490e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/459d1d8477fd46ece5a65d40e32b4bbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ab30faa78cc53c104f61b1cd906c365.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7dec97c55a499d6b7120a07c4979f55.png)
A.1011 | B.![]() | C.![]() | D.![]() |
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8 . “
”是“关于
的不等式
成立”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/752455799e49f846e2601304fec5d3b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7318e4b43efc661783af23533246c87.png)
A.充分不必要条件 | B.必要不充分条件 | C.充要条件 | D.既不充分也不必要条件 |
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9 . 已知
分别满足下列关系:
,则
的大小关系为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d10449bc77d692a7270e0f20a68cdf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c034fe93ffb4be7bec50b0c129595a41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d10449bc77d692a7270e0f20a68cdf2.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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10 . 已知
是实数,则
的一个必要非充分条件是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2128a00f52af4427721f0ebba591daa.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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