贵阳市普通高中2015届高三年级8月摸底考试
文科数学
一、 选择题：本大题共12小题，每小题5分，在每小题给出的四个选项中，只有一项是符合题目要求的.
1.复数![](https://wkrtcs.bdimg.com/rtcs/image?w=63&md5sum=4ac34a34dd724b2a1d4470f3f607e9cf&sign=1723d49680&rtcs_flag=1&rtcs_ver=3.1&l=webapp&bucketNum=47&ipr={"t":"img","w":"63","h":"19","dataType":"gif","c":"word/media/image1.png"})
，i是虚数单位，则z的虚部是
A.2i B.-2i C..2 D.-2
2．设集合A=![](https://wkrtcs.bdimg.com/rtcs/image?w=113&md5sum=4ac34a34dd724b2a1d4470f3f607e9cf&sign=1723d49680&rtcs_flag=1&rtcs_ver=3.1&l=webapp&bucketNum=47&ipr={"t":"img","w":"113","h":"29","dataType":"gif","c":"word/media/image2.png"})
，B=，则
A.{5,6} B.{4，5，6，7} C.{x|4
3．已知![](https://wkrtcs.bdimg.com/rtcs/image?w=39&md5sum=4ac34a34dd724b2a1d4470f3f607e9cf&sign=1723d49680&rtcs_flag=1&rtcs_ver=3.1&l=webapp&bucketNum=47&ipr={"t":"img","w":"39","h":"27","dataType":"gif","c":"word/media/image5.png"})
是定义在R上的奇函数，且时的图像如图所示，则
![](https://wkrtcs.bdimg.com/rtcs/image?w=120&md5sum=4ac34a34dd724b2a1d4470f3f607e9cf&sign=1723d49680&rtcs_flag=1&rtcs_ver=3.1&l=webapp&bucketNum=47&ipr={"t":"img","w":"120","h":"105","dataType":"png","c":"word/media/image8.png","imgOriW":120,"imgOriH":105})
A.-3 B.-2 C.-1 D.2
4．抛物线![](https://wkrtcs.bdimg.com/rtcs/image?w=63&md5sum=4ac34a34dd724b2a1d4470f3f607e9cf&sign=1723d49680&rtcs_flag=1&rtcs_ver=3.1&l=webapp&bucketNum=47&ipr={"t":"img","w":"63","h":"24","dataType":"gif","c":"word/media/image9.png"})
的准线方程为
A.x=2 B.![](https://wkrtcs.bdimg.com/rtcs/image?w=41&md5sum=4ac34a34dd724b2a1d4470f3f607e9cf&sign=1723d49680&rtcs_flag=1&rtcs_ver=3.1&l=webapp&bucketNum=47&ipr={"t":"img","w":"41","h":"41","dataType":"gif","c":"word/media/image10.png"})
C.x=-2 D.y=2
5．下列判断错误的是
A.![](https://wkrtcs.bdimg.com/rtcs/image?w=87&md5sum=4ac34a34dd724b2a1d4470f3f607e9cf&sign=1723d49680&rtcs_flag=1&rtcs_ver=3.1&l=webapp&bucketNum=47&ipr={"t":"img","w":"87","h":"21","dataType":"gif","c":"word/media/image11.png"})
是的充分不必要条件
B.命题![](https://wkrtcs.bdimg.com/rtcs/image?w=155&md5sum=4ac34a34dd724b2a1d4470f3f607e9cf&sign=1723d49680&rtcs_flag=1&rtcs_ver=3.1&l=webapp&bucketNum=47&ipr={"t":"img","w":"155","h":"24","dataType":"gif","c":"word/media/image13.png"})
的否定是
C.命题“若![](https://wkrtcs.bdimg.com/rtcs/image?w=44&md5sum=4ac34a34dd724b2a1d4470f3f607e9cf&sign=1723d49680&rtcs_flag=1&rtcs_ver=3.1&l=webapp&bucketNum=47&ipr={"t":"img","w":"44","h":"41","dataType":"gif","c":"word/media/image15.png"})
，则tan=1”的逆否命题是“若则”
D.若![](https://wkrtcs.bdimg.com/rtcs/image?w=39&md5sum=4ac34a34dd724b2a1d4470f3f607e9cf&sign=1723d49680&rtcs_flag=1&rtcs_ver=3.1&l=webapp&bucketNum=47&ipr={"t":"img","w":"39","h":"17","dataType":"gif","c":"word/media/image19.png"})
为假命题，则均为假命题
6．某程序框图如图所示，现输入如下四个函数，则可以输出的函数是
A.![](https://wkrtcs.bdimg.com/rtcs/image?w=89&md5sum=4ac34a34dd724b2a1d4470f3f607e9cf&sign=1723d49680&rtcs_flag=1&rtcs_ver=3.1&l=webapp&bucketNum=47&ipr={"t":"img","w":"89","h":"27","dataType":"gif","c":"word/media/image21.png"})
B. C. D.
![](https://wkrtcs.bdimg.com/rtcs/image?w=128&md5sum=4ac34a34dd724b2a1d4470f3f607e9cf&sign=1723d49680&rtcs_flag=1&rtcs_ver=3.1&l=webapp&bucketNum=47&ipr={"t":"img","w":"128","h":"221","dataType":"png","c":"word/media/image25.png","imgOriW":128,"imgOriH":221})
7．已知等比数列![](https://wkrtcs.bdimg.com/rtcs/image?w=32&md5sum=4ac34a34dd724b2a1d4470f3f607e9cf&sign=1723d49680&rtcs_flag=1&rtcs_ver=3.1&l=webapp&bucketNum=47&ipr={"t":"img","w":"32","h":"27","dataType":"gif","c":"word/media/image26.png"})
的前项和为，且，则数列的公比的值为
A.2 B.3 C.2或-3 D.2或3
8．设![](https://wkrtcs.bdimg.com/rtcs/image?w=28&md5sum=4ac34a34dd724b2a1d4470f3f607e9cf&sign=1723d49680&rtcs_flag=1&rtcs_ver=3.1&l=webapp&bucketNum=47&ipr={"t":"img","w":"28","h":"17","dataType":"gif","c":"word/media/image31.png"})
满足约束条件，则的最大值是
A.3 B.4 C.5 D.6
9．要得到函数![](https://wkrtcs.bdimg.com/rtcs/image?w=68&md5sum=4ac34a34dd724b2a1d4470f3f607e9cf&sign=1723d49680&rtcs_flag=1&rtcs_ver=3.1&l=webapp&bucketNum=47&ipr={"t":"img","w":"68","h":"21","dataType":"gif","c":"word/media/image34.png"})
的图像，只要将函数的图像
A.向左平移![](https://wkrtcs.bdimg.com/rtcs/image?w=17&md5sum=4ac34a34dd724b2a1d4470f3f607e9cf&sign=1723d49680&rtcs_flag=1&rtcs_ver=3.1&l=webapp&bucketNum=47&ipr={"t":"img","w":"17","h":"41","dataType":"gif","c":"word/media/image36.png"})
单位 B. 向右平移单位 C. 向左平移单位 D. 向右平移单位
10．已知两个平面垂直，给出下列四个命题：
①一个平面内的已知直线必垂直另一平面内的任意一条直线.
②一个平面内的已知直线必垂直另一平面内的无数条直线.
③一个平面内的任一条直线必垂直另一平面.
④在一个平面内一定存在直线平行于另一平面.
其中正确命题的个数是
A.0 B.1 C.2 D.3
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