有五条线段长分别为1,3,5,7,9,从中任取三条,能组成三角形的概率是 ___

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问题:

有五条线段长分别为1,3,5,7,9,从中任取三条,能组成三角形的概率是 ______.

考点:随机事件及其概率
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下列不是急性胰腺炎局部并发症的是()。

A.胰腺及胰周组织坏死

B.胰腺及胰周脓肿

C.胰腺假性囊肿

D.急性液体积聚

E.胆道出血

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The interview has been going on for about 20 minutes and everything seems to be going well.Then, suddenly, the interviewer asks an unexpected question, “Which is more important, law or love?”

Job applicants in the West increasingly find themselves asked strange questions like this.And the signs are that this is beginning to happen in China.

Employers want people who are skilled, enthusiastic and devoted.So these are the qualities that any reasonably intelligent job applicant will try to show no matter what his or her actual feelings are.In response, employers are increasingly using the questions which try and show the applicant’s true personality.

The question in the first paragraph comes from a test called the Kiersey Temperament Sorter.It is an attempt to discover how people solve problems, rather than what they know.This is often called aptitude (天资) test.

According to Mark Baldwin of Alliance, many job applicants in China are finding this type of questions difficult.“When a Chinese fills out an aptitude test, he or she will think there is a right answer but they may fail because they try to guess what the examiner wants to see.”

This is sometimes called the prisoner’s dilemma(窘境).Applicants are trying to act cleverly in their own interest, but they fail because they don’t understand what the interviewer is looking for.Remember that in an aptitude test, the correct answer is the honest answer.

小题1:What is the purpose of the passage?

A.To give a piece of advice to job interviewees.

B.To tell you how to deal with job interviews.

C.To advise you how to find a good job.

D.To describe an aptitude test.小题2:According to the writer, in an aptitude test, Chinese job applicants should ________.

A.not tell the truth

B.offer a complete answer

C.learn to tell what they really think

D.find out what the examiner wants to know小题3:From the passage we know that ________.

A.job applicants are always trying to show their actual feelings

B.applicants should not act as cleverly as possible

C.more Chinese applicants fail to find a job

D.aptitude test is becoming world-wide popular

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临床牙冠短小的左下第一磨牙行铸造金属全冠修复时,以下措施可以增加铸造金属全冠修复固位力的是()。

A.预备形成龈下边缘

B.减小轴面预备后的聚合度

C.增加辅助固位形

D.A+B+C

E.B+C

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理清汽车经纪人与汽车销售顾问或汽车销售人员之间的关系有哪些?

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尺寸数字的填写方向应与尺寸线平行,必须填写在尺寸线的上方。( )

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