0  320475  320483  320489  320493  320499  320501  320505  320511  320513  320519  320525  320529  320531  320535  320541  320543  320549  320553  320555  320559  320561  320565  320567  320569  320570  320571  320573  320574  320575  320577  320579  320583  320585  320589  320591  320595  320601  320603  320609  320613  320615  320619  320625  320631  320633  320639  320643  320645  320651  320655  320661  320669  447090 

24. Whom ______ Tom saw it in the park last week?

A. it was that    B. it was whom     C. was it that     D. was it whom

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23. A great many books _______every year, and large quantities of them ______ well.

A. have published; sells          B. have been published; sell

C. have been published; sells        D. has been published; sell

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22. ----I saw Jane and her boyfriend in the park at eight yesterday evening.

 ----Impossible. She ______ TV with me in my home then.

A. watched     B. had watched     C. would watch.    D. was watching

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第一节  单项填空(共15小题;每小题1分,满分15分)

21. While Kate was studying    biology in France, she developed     taste for fine wines.

A. the; a      B. 不填;不填     C. 不填;a     D. the; the

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21、(本小题满分14分)

已知函数f(x)=x2,g(x)=|x-a|.

⑴当a=2时,求不等式f(x)>g(x)的解集;

⑵设a>1,函数h(x)=f(x)g(x),求h(x)在x∈[1,2]上的最小值.

安徽省两地三校2010届高三元旦联考数学(文)试卷

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20、(本小题满分13分)

在数列{an}中,a1=1,an+1=(1+)an+.

(1)、设bn =,求数列{bn}的通项公式;

(2)、求数列{an}的前n项和Sn

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19、(12分)在ΔABC中,∠A,∠B,∠C的对边分别为a,b,c

⑴设向量=(sinA,cosA),=(-sinB,-cosB)若,判断ΔABC的形状

⑵设向量=(2sinA,cosA),=(sinB,-cosB)若,求的最大值

 

 

 

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18、(本小题满分12分)已知数列{an}的通项an=n,数列中的项按下列数表排列:

           1

           2  3

           4  5  6

           7  8  9  10

           11  12  13  14  15

           ……

⑴求第n行第一个数;

⑵求前n行各数之和。

 

 

 

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