1、Pushing ahead, East, North, West development, facilitating shanty, complete xincheng West Road, stability and reconstruction of the street, Star Ding garden built century Garden District, subject public housing construction, heating the gas expansion accelerated implementation, Jing Rui River and br
2、idge style line solid shaft, further expanded the town development. Beautiful country adhere to the advance and typical for a group to lead. According to “ecological lay based, and industry increased income, and live upgrade civilization, and culture rich connotation“ of thought, caught built beauti
3、ful village, and whole village advance, and easily relocation, and “five modified three built“, project near 30 a; depth into ecological, and industry, and culture, and tourism, elements, high standards caught party original city Liu, and jade are Xia AO, model village, in province City set has benc
4、hmark. Four is equal benefits to promote sharing, coordinated development of various social undertakings. In the case of rigid spending slowing revenue growth, increase, financial 75% to the peoples livelihood, the masses have more access in the sharing. Cuoban something good and benefit. Adhere to
5、the affordable, best, carefully cuoban village oil, water and heat, cultural, city and County columns practical, developments benefit families, bring more welfare to the masses. Development of social convenience. Acceptance of balanced development of compulsory education through the national assessm
6、ent, the County vocational education center was named “top School of vocational education in China“, the third batch of national reform and development model through provincial . Five is to deepen reform and innovation to break bottlenecks and endogenous development of effective fire. As an engine o
7、f dynamism, adding reform key to adopting reform measures stress energy and break bottlenecks and promoting development. Pay close attention to the key areas of reform. Conscientiously implement the provincial deployment and cancel, adjustment, to undertake the administrative approval items accordin
8、g to Regulation 347 to further improve administrative efficiency continuing deepening reform for poverty alleviation, speeding up rural land right registration certification pilot project, encouraging the orderly transfer of land management, utilize the land resources, in order to promote scale mana
9、gement laid the Foundation. Actively cultivate the market. Firmly establish a market-oriented, nurturing family farms, industrial users, professional cooperation organization new market management main body 456, effectively improve the industry, intensive and marketization of encouraging support soc
10、ial capital into the small micro-credit, urban development, culture and tourism, public services and other areas, easing development shortfall. To promote mass innovation. To support the rural sector to use new thinking and new ideas, creative work incentives such as actively promoting financial int
11、ermediation, bring added 159 in non public enterprises, individually-1540, created a高二数学选修 2-3 习题 11. 满足 ，且关于 的方程 有实数解的有序数对 的,1,02abx20axb(,)ab个数为（ ）A14 B13 C12 D102. 某公共汽车上有 10 名乘客，沿途有 5 个车站，乘客下车的可能方式（ ）A 种 B 种 C 种 D 种1055100103. 在 100 件产品中有 6 件次品，现从中任取 3 件产品，至少有 1 件次品的不同取法的种数是 （ ）A. B. C. D. 12694
12、C12693109431094A4. 用五种不同的颜色，给下图中的（1） （2） （3） （4）的各部分涂色，每部分涂一种颜色，相邻部分涂不同颜色，则涂色的方法共有 种。5. 从 6 名志愿者中选出 4 人分别从事翻译、导游、导购、保洁四项不同的工作，若其中甲、乙两名志愿者不能从事翻译工作，则选派方案共有（ ）A96 种 B180 种 C240 种 D280 种学6. 要在如图所示的花圃中的 5 个区域中种入 4 种颜色不同的花，要求相邻区域不同色，有_种不同的种法(用数字作答)7已知 ，则 _ 3-210C=xx8. 除以 所得余数是（ ）89A0 B8 C-1 D19. 设 的展开式的各项
13、系数的和为 所有二项式系数的和为 ,若 ，31nx PS27P则 为（ ）A4 B5 C6 D8Pushing ahead, East, North, West development, facilitating shanty, complete xincheng West Road, stability and reconstruction of the street, Star Ding garden built century Garden District, subject public housing construction, heating the gas expansion a
14、ccelerated implementation, Jing Rui River and bridge style line solid shaft, further expanded the town development. Beautiful country adhere to the advance and typical for a group to lead. According to “ecological lay based, and industry increased income, and live upgrade civilization, and culture r
15、ich connotation“ of thought, caught built beautiful village, and whole village advance, and easily relocation, and “five modified three built“, project near 30 a; depth into ecological, and industry, and culture, and tourism, elements, high standards caught party original city Liu, and jade are Xia
16、AO, model village, in province City set has benchmark. Four is equal benefits to promote sharing, coordinated development of various social undertakings. In the case of rigid spending slowing revenue growth, increase, financial 75% to the peoples livelihood, the masses have more access in the sharin
17、g. Cuoban something good and benefit. Adhere to the affordable, best, carefully cuoban village oil, water and heat, cultural, city and County columns practical, developments benefit families, bring more welfare to the masses. Development of social convenience. Acceptance of balanced development of c
18、ompulsory education through the national assessment, the County vocational education center was named “top School of vocational education in China“, the third batch of national reform and development model through provincial . Five is to deepen reform and innovation to break bottlenecks and endogeno
19、us development of effective fire. As an engine of dynamism, adding reform key to adopting reform measures stress energy and break bottlenecks and promoting development. Pay close attention to the key areas of reform. Conscientiously implement the provincial deployment and cancel, adjustment, to unde
20、rtake the administrative approval items according to Regulation 347 to further improve administrative efficiency continuing deepening reform for poverty alleviation, speeding up rural land right registration certification pilot project, encouraging the orderly transfer of land management, utilize th
21、e land resources, in order to promote scale management laid the Foundation. Actively cultivate the market. Firmly establish a market-oriented, nurturing family farms, industrial users, professional cooperation organization new market management main body 456, effectively improve the industry, intens
22、ive and marketization of encouraging support social capital into the small micro-credit, urban development, culture and tourism, public services and other areas, easing development shortfall. To promote mass innovation. To support the rural sector to use new thinking and new ideas, creative work inc
23、entives such as actively promoting financial intermediation, bring added 159 in non public enterprises, individually-1540, created a10. 展开式中， 的系数是（ ） 3450(1)()(1)xx 3xA B C D5C504547C11 的展开式中 项的系数是 .27()x3x12已知 展开式中有第六项的二项式系数最大，321n求：(1)展开式中不含 项；(2) 的值.x01231()482nnnCCC13设某种动物由出生算起活到 10 岁的概率为 0.9，活到
24、 15 岁的概率为 0.6。现有一个10 岁的这种动物，它能活到 15 岁的概率是 。 14随机变量 服从二项分布 ，且 则 等于（ ）pnB, ,20,3DEpA. B. C. 1 D. 0323115 有 4 台设备，每台正常工作的概率均为 0.9，则 4 台中有 2 台能正常工作的概率为 16有三种产品，合格率分别为 ， ， ，各抽取一件进行检验。1234求：（1）恰有一件不合格的概率；（2）至少有一件不合格的概率。17设随机变量 ，则 的值等于 ( )(2,4)XN1)DxA. 1 B. 2 C. D. 4218 已知随机变量 服从正态分布 ，且有 ，则 X2(0,)N(20)PX.4
25、(2)PX 19 灯泡厂生产的白炽灯泡的寿命为 ，已知 。要使灯泡的平均寿命为2(1,3)小时的概率为 ，问灯泡的最低寿命应控制在多少小时以上？ 109.7%20. 若 为非负实数，随机变量 的分布为p0 1 2Pushing ahead, East, North, West development, facilitating shanty, complete xincheng West Road, stability and reconstruction of the street, Star Ding garden built century Garden District, subjec
26、t public housing construction, heating the gas expansion accelerated implementation, Jing Rui River and bridge style line solid shaft, further expanded the town development. Beautiful country adhere to the advance and typical for a group to lead. According to “ecological lay based, and industry incr
27、eased income, and live upgrade civilization, and culture rich connotation“ of thought, caught built beautiful village, and whole village advance, and easily relocation, and “five modified three built“, project near 30 a; depth into ecological, and industry, and culture, and tourism, elements, high s
28、tandards caught party original city Liu, and jade are Xia AO, model village, in province City set has benchmark. Four is equal benefits to promote sharing, coordinated development of various social undertakings. In the case of rigid spending slowing revenue growth, increase, financial 75% to the peo
29、ples livelihood, the masses have more access in the sharing. Cuoban something good and benefit. Adhere to the affordable, best, carefully cuoban village oil, water and heat, cultural, city and County columns practical, developments benefit families, bring more welfare to the masses. Development of s
30、ocial convenience. Acceptance of balanced development of compulsory education through the national assessment, the County vocational education center was named “top School of vocational education in China“, the third batch of national reform and development model through provincial . Five is to deep
31、en reform and innovation to break bottlenecks and endogenous development of effective fire. As an engine of dynamism, adding reform key to adopting reform measures stress energy and break bottlenecks and promoting development. Pay close attention to the key areas of reform. Conscientiously implement
32、 the provincial deployment and cancel, adjustment, to undertake the administrative approval items according to Regulation 347 to further improve administrative efficiency continuing deepening reform for poverty alleviation, speeding up rural land right registration certification pilot project, encou
33、raging the orderly transfer of land management, utilize the land resources, in order to promote scale management laid the Foundation. Actively cultivate the market. Firmly establish a market-oriented, nurturing family farms, industrial users, professional cooperation organization new market manageme
34、nt main body 456, effectively improve the industry, intensive and marketization of encouraging support social capital into the small micro-credit, urban development, culture and tourism, public services and other areas, easing development shortfall. To promote mass innovation. To support the rural s
35、ector to use new thinking and new ideas, creative work incentives such as actively promoting financial intermediation, bring added 159 in non public enterprises, individually-1540, created a3p12p12则 的最大值为 ， 的最大值为 .ED21已知某类型的高射炮在它们控制的区域内击中具有某种速度的敌机的概率为 15（1）假定有 5 门这种高射炮控制某个区域，求敌机进入这个区域后被击中的概率；（2）要使敌机
36、一旦进入这个区域内有 以上的概率被击中，至少需要布置几门这类高90%射炮？（参考数据 ， ）lg20.31lg.47122某射击运动员射击一次所得环数 的分布列如下：XX0678910p.20.32现进行两次射击，以该运动员两次射击所得的最高环数作为他的成绩，记为 （1）求该运动员两次都命中 7 环的概率（2）求 的分布列及数学期望 E23甲、乙两名射击运动员，甲射击一次命中 10环的概率为 .5，乙射击一次命中 10环的概率为 p，若他们独立的射击两次，设乙命中 环的次数为 ，则 43E， 为甲与乙命中 10环的次数的差的绝对值求 p的值及 的分布列及数学期望24. 某厂工人在 2006 年
37、里有 1 个季度完成生产任务，则得奖金 300 元；如果有 2 个季度完成生产任务，则可得奖金 750 元；如果有 3 个季度完成生产任务，则可得奖金 1260 元；如果有 4 个季度完成生产任务，可得奖金 1800 元；如果工人四个季度都未完成任务，则没有奖金，假设某工人每季度完成任务与否是等可能的，求他在 2006 年一年里所得奖金的分布列及期望Pushing ahead, East, North, West development, facilitating shanty, complete xincheng West Road, stability and reconstruction
38、 of the street, Star Ding garden built century Garden District, subject public housing construction, heating the gas expansion accelerated implementation, Jing Rui River and bridge style line solid shaft, further expanded the town development. Beautiful country adhere to the advance and typical for
39、a group to lead. According to “ecological lay based, and industry increased income, and live upgrade civilization, and culture rich connotation“ of thought, caught built beautiful village, and whole village advance, and easily relocation, and “five modified three built“, project near 30 a; depth int
40、o ecological, and industry, and culture, and tourism, elements, high standards caught party original city Liu, and jade are Xia AO, model village, in province City set has benchmark. Four is equal benefits to promote sharing, coordinated development of various social undertakings. In the case of rig
41、id spending slowing revenue growth, increase, financial 75% to the peoples livelihood, the masses have more access in the sharing. Cuoban something good and benefit. Adhere to the affordable, best, carefully cuoban village oil, water and heat, cultural, city and County columns practical, development
42、s benefit families, bring more welfare to the masses. Development of social convenience. Acceptance of balanced development of compulsory education through the national assessment, the County vocational education center was named “top School of vocational education in China“, the third batch of nati
43、onal reform and development model through provincial . Five is to deepen reform and innovation to break bottlenecks and endogenous development of effective fire. As an engine of dynamism, adding reform key to adopting reform measures stress energy and break bottlenecks and promoting development. Pay
44、 close attention to the key areas of reform. Conscientiously implement the provincial deployment and cancel, adjustment, to undertake the administrative approval items according to Regulation 347 to further improve administrative efficiency continuing deepening reform for poverty alleviation, speedi
45、ng up rural land right registration certification pilot project, encouraging the orderly transfer of land management, utilize the land resources, in order to promote scale management laid the Foundation. Actively cultivate the market. Firmly establish a market-oriented, nurturing family farms, indus
46、trial users, professional cooperation organization new market management main body 456, effectively improve the industry, intensive and marketization of encouraging support social capital into the small micro-credit, urban development, culture and tourism, public services and other areas, easing dev
47、elopment shortfall. To promote mass innovation. To support the rural sector to use new thinking and new ideas, creative work incentives such as actively promoting financial intermediation, bring added 159 in non public enterprises, individually-1540, created a高二数学选修 2-3 综合习题 2以下公式或数据供参考：独立性检验临界值表 ；若
48、 XN ， 则 ，22()(nadbcK2,()0.682PXu， ； ；(0.954PXu3)0.974Puaybx12niixyb1在下边的列联表中，类中类 B 所占的比例为 （ ）2分类变量 和 的列联表如下，则（ ） XYA. 越小，说明 与 的关系越弱 adbcB. 越大，说明 与 的关系越强 C. 越大，说明 与 的关系越强2()YD. 越接近于 ，说明 与 关系越强adbc0X3在两个变量 y 与 x 的回归模型中，分别选择了 4 个不同模型，它们的相关指数 R2如下，其中拟合效果最好的是（ ）概率 0.40 0.25 0.15 0.10 0.05 0.025 0.010 0.005 0.001K0 0.708 1.323 2.072 2.706 3.841 5.024 6.635 7.879 10.828类 1 类 2类 A a b类 B c d 1Y2合计Xabab2cdcd合计 Pushing ahead, East, North, West development, facilitating shanty, complete xincheng West Road, stability and reconstruction of the street, Star Ding garden built centur
