数学试卷（理工类） 05
本试卷分第I卷（选择题）和第II卷（非选择题）两部分．共150分，考试时间120分钟．第I卷l至2页，第II卷3至9页．
祝各位考生考试顺利！
第I卷
注意事项：
l.答第1卷前，考生务必将自己的姓名、准考证号、考试科p涂在答题卡上；
2．每小题选出答案赢，翊铅笔把答题．f上对应题翻的答案标号涂关．如需改动，用橡皮擦干净后，再选涂其它答案标号．
3.本卷共8小题，每小题5分，共40分，
参考公式：
![](https://wkrtcs.bdimg.com/rtcs/image?w=558&md5sum=1c9da792e86f32217cc724f4d3d1176e&sign=2449d48bff&rtcs_flag=1&rtcs_ver=3.1&l=webapp&bucketNum=93&ipr={"t":"img","w":"558","h":"222","dataType":"png","c":"word/media/image1.png","imgOriW":507,"imgOriH":182})
一、选择题：在每小题给出的四个选项中，只有一项是符合题目要求的。
![](https://wkrtcs.bdimg.com/rtcs/image?w=101&md5sum=1c9da792e86f32217cc724f4d3d1176e&sign=2449d48bff&rtcs_flag=1&rtcs_ver=3.1&l=webapp&bucketNum=93&ipr={"t":"img","w":"101","h":"252","dataType":"png","c":"word/media/image2.png","imgOriW":101,"imgOriH":252})
(1)i是虚数单位，复数 =（ ）．
(A)0 (B)2
(C) -4i (D) 4i
(2)“![](https://wkrtcs.bdimg.com/rtcs/image?w=61&md5sum=1c9da792e86f32217cc724f4d3d1176e&sign=2449d48bff&rtcs_flag=1&rtcs_ver=3.1&l=webapp&bucketNum=93&ipr={"t":"img","w":"61","h":"41","dataType":"gif","c":"word/media/image4.png"})
”是“”的( )，
(A)充分丽不必要条件 (B)必要两不充分条件
(C)充要条件 (D)既不充分也不必要条件
(3)如果执行右面的程序框图，那么输出的S=( )。
(A) 22 (B) 46
(c) 94 (D)190
(4)偶函数![](https://wkrtcs.bdimg.com/rtcs/image?w=36&md5sum=1c9da792e86f32217cc724f4d3d1176e&sign=2449d48bff&rtcs_flag=1&rtcs_ver=3.1&l=webapp&bucketNum=93&ipr={"t":"img","w":"36","h":"21","dataType":"gif","c":"word/media/image6.png"})
在区间（a>0）上是单凋函数，且．则方程在区间内根的个数是( ).
(A)l (B)2
(C)3 (D)0
(5)若![](https://wkrtcs.bdimg.com/rtcs/image?w=72&md5sum=1c9da792e86f32217cc724f4d3d1176e&sign=2449d48bff&rtcs_flag=1&rtcs_ver=3.1&l=webapp&bucketNum=93&ipr={"t":"img","w":"72","h":"45","dataType":"gif","c":"word/media/image11.png"})
的展开式中第三项系数等于6，则n等于( )．
(A)4 (B)8
(C) 12 (D) 16
(6)在![](https://wkrtcs.bdimg.com/rtcs/image?w=15&md5sum=1c9da792e86f32217cc724f4d3d1176e&sign=2449d48bff&rtcs_flag=1&rtcs_ver=3.1&l=webapp&bucketNum=93&ipr={"t":"img","w":"15","h":"17","dataType":"gif","c":"word/media/image12.png"})
ABC中，a，b，c分别是内角A，B．C的对边，
sinBsinC，则cosC=( )．
(A)![](https://wkrtcs.bdimg.com/rtcs/image?w=15&md5sum=1c9da792e86f32217cc724f4d3d1176e&sign=2449d48bff&rtcs_flag=1&rtcs_ver=3.1&l=webapp&bucketNum=93&ipr={"t":"img","w":"15","h":"41","dataType":"gif","c":"word/media/image14.png"})
(B)
(C)![](https://wkrtcs.bdimg.com/rtcs/image?w=28&md5sum=1c9da792e86f32217cc724f4d3d1176e&sign=2449d48bff&rtcs_flag=1&rtcs_ver=3.1&l=webapp&bucketNum=93&ipr={"t":"img","w":"28","h":"45","dataType":"gif","c":"word/media/image16.png"})
( D)
(7)设圆![](https://wkrtcs.bdimg.com/rtcs/image?w=95&md5sum=1c9da792e86f32217cc724f4d3d1176e&sign=2449d48bff&rtcs_flag=1&rtcs_ver=3.1&l=webapp&bucketNum=93&ipr={"t":"img","w":"95","h":"24","dataType":"gif","c":"word/media/image18.png"})
，直线，点∈，若存在点Q∈C，使 。（O为坐标原点），则的取值范围是( )．
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