17．(　 )Miss Zhang has taught US English in our school________ ten years ago

　　 A．since　　　　　　　 B．for　　　　　　 C．in　　　　 D．before

16．(　 )John caught a cold on Saturday and_________ in bed ever since

　　 A．was　　　　　　　 B．has been　　　　 C．is　　　　 D．have been

15．(　　 )Which is________ the sun，the moon or the earth?

　 A．as big as　　　　　　 B．big　　　　　　　 C．bigger　　 D．the biggest

14．(　 )What are you going to do this afternoon，Jack?

　　 _________I am going to play_________ football．

　　 A．a　　　　　　　　　 B．the　　　　　　 C．／　　　　 D．an

13．(　 )Daming doesn’t_________ his homework after supper．He watches TV．

　　 A．does　　　　　　　 B．do　　　　　 　　C．／　　　 D．doing

12．(　 )My teacher________ to Hainan by plane in three days．

　　 A．will go　　　　　　　 B．goes　　　　　 C．went　　 D．go

　 请你从四个选项中选出能够填入空白处的最恰当的选项。

11．(　 )It is not my mother’s sweater__________ sweater is black．

　　 A．She　　　　　　　　 B．He　　　 　　　C．His　　　 D．Her

6．(　 )What are they doing now?

　　 A．They are having a class at school．　 B．They are making a phone call

　 　C．They are talking in a restaurant．

7．(　 )Why didn’t Liu Mei go to school today?

A．Because she was too late．　　　　　 B．Because her mother was i11．

C．Because she had an accident．

8．(　 )When and where did the accident happen?

A．On her way to school yesterday morning

C．On her way to school this morning．

B．On her way home yesterday afternoon

9．(　 )What was the weather like yesterday afternoon?

　　 A．It was fine．　　　　　 B．It was windy．　　　　 C．It was rainy

10．(　 )Wh0 took her to see the doctor?

A．Nobody．　　　　　　 B．Her father．　　　　　 C．Her mother

请打开第Ⅱ卷，看第一大题听力试题。该试题需要在第Ⅱ卷第一大题的相应位置上作答?

语言知识运用部分(共25分)

20．(本小题满分14分)

已知数列满足：，，

(Ⅰ)求的值；

(Ⅱ)设，试求数列的通项公式；

(Ⅲ)对于任意的正整数n，试讨论与的大小关系.

19．(本小题满分13分)

　　 已知椭圆C的中心在原点，焦点在轴上，左右焦点分别为，且，点(1，)

在椭圆C上.

(Ⅰ)求椭圆C的方程；

(Ⅱ)过的直线与椭圆相交于两点，且的面积为，求以为圆心

且与直线相切的圆的方程.