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29.  You’ll imagine what difficulty we had   home in the snowstorm.

A.walked   B.walk  C.to walk  D.walking

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28.There is no experience you can have   is more exciting than skating on real ice.

    A.of which       B.what  C.that  D.with whom

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27.On the chairs   , who had come to Dalian looking for jobs.

    A.three young men sat             B.sat three young men

    C.did three young men sit           D.three young men sitting

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26.The young man didn’t mean to   the house. He stole into it and made a fire only to get warm.

    A.pull down     B.lay down     C.burn down  D.turn down

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25.-Where are we to hold the conversation?

-We’ll go to a quiet place and no one   disturb us.

    A.should        B.could       C.must          D.shall

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24.-Keep   in mind that you have to be home by 10 o’clock.

-OK, I will.

    A.it          B.me          C.this   D.one

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23.   for quite a few days, he had to go to hospital for further treatment.

    A.Being ill      B.Falling ill  C.Having been ill      D.To be ill

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22.Chuck Swindoll once said, “life is 10%   happens to us and 90%     we respond to it.”

    A.who; why    B.what; how    C.which; when  D.that; that

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21.I wanted to catch   early train, but couldn’t get   ride to the station.

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

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21.(满分13分,第(1)小题6分,第(2)小题7分)

已知椭圆的方程为,其两个焦点为,点在椭圆上,

.椭圆的离心率

(1)求椭圆的方程

(2)过点的直线交椭圆两点,且两点关于点对称,求直线的方程。

22: (满分13分,第(1)小题6分,第(2)小题7分)

在数列中,

(1)证明数列是等比数列,并求数列的通项公式;

(2)令,求数列的前项和

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