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
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
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
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
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
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
略
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;
21、(本小题满分12分)
已知<<<,
(Ⅰ)求的值.
(Ⅱ)求.
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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