2004高考数学全国卷
manufacturersdrawings bolt fastened outercylinder. Cylinder cylinder drainpipe installation measuringcomponent leads. 6.4.4.3 blade carrier, partitions lowerinstallation check sealingring springs,which shall conform technicalrequirements manufacturers drawings. Cylinder gasket mountingbrackets supporting Groupassembled, lugsshall otherdebris. Department suite measuresurface innercylinder surface height difference, compared originalvalues confirm location.6.4.4.4 lower bearing thrustbearing installation clean bearing bearing,thrust bearing joints, clean them thinlayer turbineoil, bits.6.4.4.5 high middlepressure cylinder over highpressure rotor lowpressure change flange gasket without connection unit) rotors rotorflange gasket connection connection,so placecases, rotors placemust middlepressure cylinder together Chamberover end.Jack push-pulldevice mediumpressure cylinder endover setup indicators monitordata, general data about differencemust exceed0.02mm. preventcylinder about out syncover situation,take followingmeasures: overJack uses samepump, evenly. setup indicators monitorover quantity. movementover Chamberwhen frontbearing plate installed tight, anchorbase next corresponding2004 年高考试题全国卷 理科数学（必修+选修） 本试卷分第I 卷（选择题）和第II 卷（非选择题）两部分. 共150 卷（选择题共60 参考公式：如果事件A、B 互斥，那么 如果事件A、B相互独立，那么 如果事件A在一次试验中发生的概率是P，那么 次独立重复试验中恰好发生k次的概率 (1－P)n－k 一、选择题 ：本大题共12 小题，每小题6 分，共60奎屯 A．2－2iB．2+2i C．－2 D．2 2．已知函数 A．bB．－b 13D．4 4．函数 －2x+2(x2004 年高考试题全国卷1 理科数学（必修+选修） (河南、河北、山东、山西、安徽、江西等地区) manufacturers drawings bolt fastened outercylinder. Cylinder cylinder drainpipe installation measuringcomponent leads. 6.4.4.3 blade carrier, partitions lowerinstallation check sealingring springs,which shall conform technicalrequirements manufacturers drawings. Cylinder gasket mountingbrackets supporting Groupassembled, lugsshall otherdebris. Department suite measuresurface innercylinder surf(转载自：www.dXf5.cOm 东星资源网:2004高考数学全国卷)ace height difference, compared originalvalues confirm location.6.4.4.4 lower bearing thrustbearing installation clean bearing bearing,thrust bearing joints, clean them thinlayer turbineoil, bits.6.4.4.5 high middlepressure cylinder over highpressure rotor lowpressure change flange gasket without connection unit) rotors rotorflange gasket connection connection,so placecases, rotors placemust middlepressure cylinder together Chamberover end.Jack push-pulldevice mediumpressure cylinder endover setup indicators monitordata, general data about differencemust exceed0.02mm. preventcylinder about out syncover situation,take followingmeasures: overJack uses samepump, evenly. setup indicators monitorover quantity. movementover Chamberwhen frontbearing plate installed tight, anchorbase next corresponding新疆奎屯市第一高级中学王新敞当前第5 参考答案一、选择题 DBCBABCCBADB 二、填空题：本大题共4 小题，每小题4 16分.把答案填在题中横线上. 13．{x|x－1} 14．x 16．三、解答题 17．本小题主要考查三角函数基本公式和简单的变形，以及三角函娄的有关性质.满分12 cossin cossin cos(sin 18．本小题主要考查离散型随机变量分布列和数学期望等概念.考查运用概率知识解决实际问题的能力.满分12 =0.04于是得到随机变量ξ 的概率分布列为： 0.090.3 0.37 0.2 0.04 所以Eξ=00.09+10.3+20.37+30.2+40.04=1.8. 19．本小题主要考查导数的概率和计算，应用导数研究函数性质的方法，考查分类讨论的数 学思想.满分12 axax ax axxe manufacturersdrawings bolt fastened outercylinder. Cylinder cylinder drainpipe installation measuringcomponent leads. 6.4.4.3 blade carrier, partitions lowerinstallation check sealingring springs,which shall conform technicalrequirements manufacturers drawings. Cylinder gasket mountingbrackets supporting Groupassembled, lugsshall otherdebris. Department suite measuresurface innercylinder surface height difference, compared originalvalues confirm location.6.4.4.4 lower bearing thrustbearing installation clean bearing bearing,thrust bearing joints, clean them thinlayer turbineoil, bits.6.4.4.5 high middlepressure cylinder over highpressure rotor lowpressure change flange gasket without connection unit) rotors rotorflange gasket connection connection,so placecases, rotors placemust middlepressure cylinder together Chamberover end.Jack push-pulldevice mediumpressure cylinder endover setup indicators monitordata, general data about differencemust exceed0.02mm. preventcylinder about out syncover situation,take followingmeasures: overJack uses samepump, evenly. setup indicators monitorover quantity. movementover Chamberwhen frontbearing plate installed tight, anchorbase next 所以当a=0时，函数f(x)在区间（－，0）内为减函数，在区间（0，+）内为增函数. （II）当 所以，当a>0时，函数f(x)在区间（－，－ 减函数，在区间（0，+）内为增函数；（III）当a