江苏省赣马高级中学2009届高三数学二轮小题专项训练四参考

2 已知向量6ec8aac122bd4f6e,若6ec8aac122bd4f6e,则m=6ec8aac122bd4f6e

3.抛物线6ec8aac122bd4f6e的焦点坐标是___(a,0) ___;

4.6ec8aac122bd4f6e的内角A、B、C的对边也为a、b、c,若a、b、c成等比数列,且c=2a,则6ec8aac122bd4f6e6ec8aac122bd4f6e

5.已知等差数列6ec8aac122bd4f6e中,6ec8aac122bd4f6e,其前5项和S5=10,则其公差d =6ec8aac122bd4f6e

6.已知6ec8aac122bd4f6e 6ec8aac122bd4f6e    则6ec8aac122bd4f6e8

7.如果实数6ec8aac122bd4f6e,且6ec8aac122bd4f6e,那么6ec8aac122bd4f6e6ec8aac122bd4f6e由大到小的顺序是6ec8aac122bd4f6e

8.以双曲线6ec8aac122bd4f6e的焦点为顶点,顶点为焦点的椭圆方程是6ec8aac122bd4f6e

9.已知6ec8aac122bd4f6e6ec8aac122bd4f6e,且6ec8aac122bd4f6e,若6ec8aac122bd4f6e6ec8aac122bd4f6e,则6ec8aac122bd4f6e6ec8aac122bd4f6e

10.设直线6ec8aac122bd4f6e的倾斜角为6ec8aac122bd4f6e,若6ec8aac122bd4f6e,则角6ec8aac122bd4f6e的取值范围是6ec8aac122bd4f6e

11.已知数列6ec8aac122bd4f6e满足a1=2,6ec8aac122bd4f6e6ec8aac122bd4f6e),

6ec8aac122bd4f6e3

12.已知数列6ec8aac122bd4f6e的两顶点A、C是椭圆6ec8aac122bd4f6e的二个焦点,顶点B在椭圆上,则6ec8aac122bd4f6e6ec8aac122bd4f6e

 

13.定义两种运算:6ec8aac122bd4f6e6ec8aac122bd4f6e

6ec8aac122bd4f6e是__奇__函数,(填奇、偶、非奇非偶,既奇又偶四个中的一个)

14.给定下列结论:

①已知命题p:6ec8aac122bd4f6e6ec8aac122bd4f6e;命题6ec8aac122bd4f6e6ec8aac122bd4f6e,则命题“6ec8aac122bd4f6e6ec8aac122bd4f6e”是假命题;

②已知直线l16ec8aac122bd4f6e,l2:x- by + 1= 0,则6ec8aac122bd4f6e的充要条件是6ec8aac122bd4f6e

③若6ec8aac122bd4f6e6ec8aac122bd4f6e,则6ec8aac122bd4f6e

④圆6ec8aac122bd4f6e,与直线6ec8aac122bd4f6e相交,所得的弦长为2;

⑤定义在R上的函数6ec8aac122bd4f6e,则6ec8aac122bd4f6e是周期函数;

其中正确命题的序号为___ ③⑤___(把你认为正确的命题序号都填上)