江蘇省贛馬高級中學2009屆高三數(shù)學二輪小題專項訓練四參考

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

3.拋物線6ec8aac122bd4f6e的焦點坐標是___(a,0) ___;

4.6ec8aac122bd4f6e的內(nèi)角A、B、C的對邊也為a、b、c,若a、b、c成等比數(shù)列,且c=2a,則6ec8aac122bd4f6e6ec8aac122bd4f6e

5.已知等差數(shù)列6ec8aac122bd4f6e中,6ec8aac122bd4f6e,其前5項和S5=10,則其公差d =6ec8aac122bd4f6e

6.已知6ec8aac122bd4f6e 6ec8aac122bd4f6e    則6ec8aac122bd4f6e8

7.如果實數(shù)6ec8aac122bd4f6e,且6ec8aac122bd4f6e,那么6ec8aac122bd4f6e6ec8aac122bd4f6e由大到小的順序是6ec8aac122bd4f6e

8.以雙曲線6ec8aac122bd4f6e的焦點為頂點,頂點為焦點的橢圓方程是6ec8aac122bd4f6e

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

10.設直線6ec8aac122bd4f6e的傾斜角為6ec8aac122bd4f6e,若6ec8aac122bd4f6e,則角6ec8aac122bd4f6e的取值范圍是6ec8aac122bd4f6e

11.已知數(shù)列6ec8aac122bd4f6e滿足a1=2,6ec8aac122bd4f6e6ec8aac122bd4f6e),

6ec8aac122bd4f6e3

12.已知數(shù)列6ec8aac122bd4f6e的兩頂點A、C是橢圓6ec8aac122bd4f6e的二個焦點,頂點B在橢圓上,則6ec8aac122bd4f6e6ec8aac122bd4f6e

 

13.定義兩種運算:6ec8aac122bd4f6e,6ec8aac122bd4f6e

6ec8aac122bd4f6e是__奇__函數(shù),(填奇、偶、非奇非偶,既奇又偶四個中的一個)

14.給定下列結(jié)論:

①已知命題p:6ec8aac122bd4f6e,6ec8aac122bd4f6e;命題6ec8aac122bd4f6e6ec8aac122bd4f6e,則命題“6ec8aac122bd4f6e6ec8aac122bd4f6e”是假命題;

②已知直線l16ec8aac122bd4f6e,l2:x- by + 1= 0,則6ec8aac122bd4f6e的充要條件是6ec8aac122bd4f6e;

③若6ec8aac122bd4f6e6ec8aac122bd4f6e,則6ec8aac122bd4f6e;

④圓6ec8aac122bd4f6e,與直線6ec8aac122bd4f6e相交,所得的弦長為2;

⑤定義在R上的函數(shù)6ec8aac122bd4f6e,則6ec8aac122bd4f6e是周期函數(shù);

其中正確命題的序號為___ ③⑤___(把你認為正確的命題序號都填上)


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