学校放映厅发放电影票,美术班有24张连号票,小林和小军是好朋友,他们想拿2张连号

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问题:

学校放映厅发放电影票,美术班有24张连号票,小林和小军是好朋友,他们想拿2张连号票,一共有多少种拿法?.

考点:排列与组合
题型:解答题

原始凭证按照格式不同,可以分为______。

A.通用凭证

B.专用凭证

C.一次凭证

D.累计凭证

题型:解答题

方程x2+mx=1的两个实根互为相反数,那么m的值为(  )

A.0

B.-1

C.1

D.±1

题型:解答题

Most "unassertive" people are not confident and take no for an answer much too easily. There is a growing awareness in our society that this tendency (1) the rights of large numbers of people. For example, in recent years there has been an upsurge in (2) and pressure groups. This is a (3) as there will always be a need for such organizations to (4) individuals and minorities in a competitive society. The danger is that we (5) for our rights and lose the art of asserting ourselves. It is better for (6) with other people if you can learn (7) for yourself.
Now, we have to learn to ignore some of the (8) that may be ringing in our unconscious minds, such as: "If you ask once more, I’ll flatten you", and " (9) ".
The main technique that we use in (10) to practice the art of persistence is called Broken Record. (11) we hear one sentence over and over again until we reach screaming pitch and (12) .
Broken Record is the skill of being able to repeat over and over again, (13) , what it is you want or need, until the other person gives in or (14) .
Now, this technique is extremely useful for dealing with situations where your rights are clearly (15) , or coping with situations where you are likely to be diverted by clever, (16) .
The beauty of using Broken Record is that you (17) because you know exactly what you are going to say, however (18) the other person tries to be.
As with most assertive techniques, it must be used appropriately. It is (19) and is not designed to foster deep, interesting conversations and friendships with people! It is primarily of use in situations where (20) .

题型:解答题

乙非他明、芬坎法明、利非他明

题型:解答题

某企业上年和本年的流动资产平均占用额分别为2100万元和2800万元,流动资产周转率分别为7次和9次.则本年比上年的销售收入增加了()。

A.20000万元

B.3650万元

C.41200万元

D.10500万元

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