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Question 1 · Free response · 中档
(5分)若集合 $A = \{ x \vert - 5 < x < 2 \}$ $B = \{ x \vert - 3 < x < 3 \}$ ,则 $\mathsf { A } \cap \mathsf { B } = \mathrm { ~ ( ~ \qquad ~ ) ~ }$ A $\{ { \pmb { \times } } | - 3 < { \pmb { \times } } < 2 \}$ B $\{ { \pmb { \times } } | - 5 { < } { \bf x } { < } 2 \}$ C $\{ { \pmb { \times } } | - 3 < { \pmb { \times } } < 3 \}$ D $\{ { \pmb { \times } } | - 5 < { \pmb { \times } } < 3 \}$
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Question 2 · Free response · 中档
(5分)圆心为(1,1)且过原点的圆的标准方程是( )A $( \textsf { x } - 1 ) 2 + ( \textsf { y } - 1 ) 2 { = } 1$ B $( \mathsf { x } + \mathsf { 1 } ) 2 + \mathsf { \Gamma } ( \mathsf { y } ^ { + } \mathsf { 1 } ) 2 { \mathsf { = } } 1$ C $( \mathsf { x } + \mathsf { 1 } ) 2 + \mathsf { \Gamma } ( \mathsf { y } ^ { + } 1 ) 2 { = } 2$ D $( { \bf { x } } - \mathrm { ~ \bf { 1 } ~ } ) { \bf { \Sigma } } ^ { 2 } + { \bf { \Sigma } } \left( { \bf { y } } - \mathrm { ~ \bf { 1 } ~ } \right) { \bf { \Sigma } } ^ { 2 } { = } 2$
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Question 3 · Free response · 中档
(5分)下列函数中为偶函数的是( )A $y = x ^ { 2 } \sin x$ B $\mathsf { y } = \mathsf { x } ^ { 2 } \mathsf { c o s x }$ C $\mathsf { y } = \left| \mathsf { l n } \mathsf { x } \right|$ D $y = 2 - x$
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Question 4 · Single choice · 中档
(5分)某校老年、中年和青年教师的人数见如表,采用分层插样的方法调查教师的身体状况,在抽取的样本中,青年教师有 320 人,则该样本的老年教师人数为( )
<table><tr><td rowspan=1 colspan=1>类别</td><td rowspan=1 colspan=1>人数</td></tr><tr><td rowspan=1 colspan=1>老年教师</td><td rowspan=1 colspan=1>900</td></tr><tr><td rowspan=1 colspan=1>中年教师</td><td rowspan=1 colspan=1>1800</td></tr><tr><td rowspan=1 colspan=1>青年教师</td><td rowspan=1 colspan=1>1600</td></tr><tr><td rowspan=1 colspan=1>合计</td><td rowspan=1 colspan=1>4300</td></tr></table>
A. 90 B. 100 C. 180 D. 300
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Question 5 · Single choice · 中档
(5分)执行如图所示的程序框图,输出的k值为( )
A. 3 B. 4 C. 5 D. 6
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Question 7 · Free response · 中档
(5分)某四棱锥的三视图如图所示,该四棱锥最长棱的棱长为( )
正(主)视图
侧(左)视图
俯视图 A.1 B $\sqrt { 2 }$ C $\sqrt { 3 }$ D.2
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Question 8 · Single choice · 中档
(5分)某辆汽车每次加油都把油箱加满,下表记录了该车相邻两次加油时的情况
<table><tr><td rowspan=1 colspan=1>加油时间</td><td rowspan=1 colspan=1>加油量(升)</td><td rowspan=1 colspan=1>加油时的累计里程(千米)</td></tr><tr><td rowspan=1 colspan=1>2015年5月1日</td><td rowspan=1 colspan=1>12</td><td rowspan=1 colspan=1>35000</td></tr><tr><td rowspan=1 colspan=1>2015年5月15日</td><td rowspan=1 colspan=1>48</td><td rowspan=1 colspan=1>35600</td></tr></table>
注:“累计里程”指汽车从出厂开始累计行驶的路程,在这段时间内,该车每100千米平均耗油量为 ( )
A. 6 升 B. 8 升 C. 10 升 D. 12 升
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Question 9 · Free response · 中档
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Question 10 · Fill in the blank · 中档
$2^{-3}$,$\dfrac{1}{3^2}$,$\log_2 5$ 三个数中最大数的是______.
先写答案,再对照解析 等价写法不自动判错
直接输入 Formula Chemistry
π ² √ ≤ ≥ ∞ ∈ ∴
写好了,对答案
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Question 11 · Free response · 中档
(5 分)在 $\triangle A B C$ 中, $\mathtt { a } = 3$ $b = { \sqrt { 6 } }$ $\angle A = \frac { 2 \pi } { 3 }$ ,则 $\angle B = \frac { \pi } { \underline { { { \bf \nabla } } } } _ { - }$
Answer key $\frac { \pi } { 4 }$
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Question 12 · Free response · 中档
(5分)已知(2,0)是双曲线 $x ^ { 2 } - \frac { y ^ { 2 } } { b ^ { 2 } } = 1 ( b > 0 )$ 的一个焦点,则 $b = \underline { { { \sqrt { 3 } } } } _ { - }$
Answer key ${ \sqrt { 3 } } .$
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Question 13 · Free response · 中档
(5 分)如图, $\triangle A B C$ 及其内部的点组成的集合记为 D, $\textsf { \textsf { P } } ( \textsf { x } , \textsf { y } )$ 为 D 中任意一点,则 $z = 2 x + 3 y$ 的最大值为 7
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Question 14 · Free response · 中档
(5分)高三年级267 位学生参加期末考试,某班37位学生的语文成绩,数学成绩与总成绩在全年级的排名情况如图所示,甲、乙、丙为该班三位学生从这次考试成绩看,
①在甲、乙两人中,其语文成绩名次比其总成绩名次靠前的学生是 乙 ;
②在语文和数学两个科目中,丙同学的成绩名次更靠前的科目是 数学
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Question 20 · Free response · 中档
(14分)已知椭圆C: $x ^ { 2 } + 3 y ^ { 2 } = 3$ ,过点D(1,0)且不过点 E(2,1)的直线与椭圆C交于A,B两点,直线AE 与直线x=3交于点 M
(1)求椭圆C的离心率;
(2)若AB垂直于x 轴,求直线BM的斜率;
(3)试判断直线BM 与直线DE的位置关系,并说明理由
Answer key See explanation
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