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26.-Oh, darling, you're wearing a new sweater today? It looks great on you.

-Thanks, Tom, I'm glad you ________ . How nice!

A. saw     B. minded      C. liked       D. noticed

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25.It was funny to see that the baby’s eyes immediately      at the sight of its mother.

A. showed up       B. fixed up         C. cleaned up       D. lit up

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24.-How much shall I pay for the phone call?

-You ________. This is free of charge.

A.shouldn't    B.can't        C.don't have to     D.mustn't

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23.-Has anything new been discussed on that problem so far?

- __________, and more will follow, I think.

A. Little    B. Much      C. Few       D. All

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22.The number of registered participants in this year’s marathon was half      .

A. that of last year’s                  B. those of last year’s

C. those of last year                  D. of last year’s

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第一节:单项填空:

从A、B、C、D四个选项中,选出可以填入空白处的最佳选项。共15小题;每小题1分,满分15分。

21.-What did Mr Smith do in the middle of the night?

-Well, I'm not sure, but he was often heard ___________.

A.singing the same song          B.to sing the same song

C.sing a same song              D.to be playing same song

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22、(本题满分14分)

已知数列中,且点在直线上.

  (1)求数列的通项公式;

  (2)若函数求函数的最小值;

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21、(本小题满分12分)

已知<<<,

 (Ⅰ)求的值.

(Ⅱ)求. 

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20、某车间在两天内,每天生产10件某产品,其中第一天、第二天分别生产了1件、2件次品,而质检部每天要在生产的10件产品中随意抽取4件进行检查,若发现有次品,则当天的产品不能通过。

(I)求两天全部通过检查的概率;

(II)若厂内对该车间生产的产品质量采用奖惩制度,两天全不通过检查罚300元,通过1

天,2天分别奖300元、900元。那么该车间在这两天内得到奖金的数学期望是多少元?

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