钻井液静液压力与地层流体压力的差值为()时,钻速最快、最安全。A、正数 B、负数 C

题型:单项选择题

问题:

钻井液静液压力与地层流体压力的差值为()时,钻速最快、最安全。

A、正数

B、负数

C、零

D、越大越好

考点:钻井液工考试中级钻井液工中级钻井液工题库
题型:单项选择题

The plane _______ at 7:00 p.m.,so I have to be at the airport by 6:40 at the latest. [ ]

A. has left    

B. is to leave    

C. will have left    

D. leaves  

题型:单项选择题

企业质量体系主要满足( )的要求。

A.所有各类合同

B.认证

C.顾客

D.认证与顾客

题型:单项选择题

试题一(25分) 阅读下列说明,回答问题1至问题3,将解答填入答题纸的对应栏内。 【说明】 某国有大型制造企业H计划建立适合其业务特点的ERP系统。为了保证ERP系统的成功实施,H公司选择了一家较知名的监理单位,帮助选择供应商并协助策划ERP的方案。 在监理单位的协助下,H公司编制了招标文件,并于5月6日发出招标公告,规定投标截止时间为5月21日17时。在截止时间前,H公司共收到五家公司的投标书,其中甲公司为一家外资企业。H公司觉得该项目涉及公司的业务秘密,不适合由外资企业来承担。因此,在随后制定评标标准的时候,特意增加了关于企业性质的评分条件:国有企业可加2分,民营企业可加1分,外资企业不加分。 H公司又组建了评标委员会,其中包括H公司的领导一名,H公司上级主管单位领导一名,其他4人为邀请的行业专家。在评标会议上,评标委员会认为丙公司的投标书能够满足招标文件中规定的各项要求,但报价低于成本价,因此选择了同样投标书满足要求,但报价次低的乙公司作为中标单位。 在发布中标公告后,H公司与乙公司开始准备签订合同。但此时乙公司提出,虽然招标文件中规定了合同格式并对付款条件进行了详细的要求,但这种付款方式只适用于硬件占主体的系统集成项目,对于ERP系统这种软件占主体的项目来说并不适用,因此要求H公司修改付款方式。H公司坚决不同意乙公司的要求,乙公司多次沟通未达到目的只好做出妥协,直到第45天,H公司才与乙公司最终签订了ERP项目合同。

(1)评标委员会不选择丙公司的理由是否充分?依据是什么?

(2)乙公司要求H公司修改付款方式是否合理?为什么?为此,乙公司应如何应对?

题型:单项选择题

李刚的父亲与王丽的母亲为同胞兄妹。王丽4岁时被他人收养。现年李刚25周岁,王丽21周岁。依照我国《婚姻法》的规定,李刚与王丽

A.可以结婚

B.不能结婚

C.能否结婚从习惯

D.能否结婚由婚姻登记机关酌情决定

题型:单项选择题

"The language of a composer", Cardus wrote, "his harmonies, rhythms, melodies, colors and texture, cannot be separated except by pedantic analysis from the mind and sensibility of the artist who happens to be expressing himself through them".
But that is precisely the trouble; for as far as I can see, Mozart’s can. Mozart makes me begin to see ghosts, or at the very least ouija-boards. If you read Beethoven’s letters, you feel that you are at the heart of a tempest, a whirlwind, a furnace; and so you should, because you are. If you read Wagner’s, you feel that you have been run over by a tank, and that, too, is an appropriate response.
But if you read Mozart’s—and he was a hugely prolific letter-writer—you have no clue at all to the power that drove him and the music it squeezed out of him in such profusion that death alone could stop it; they reveal nothing—nothing that explains it. Of course it is absurd(though the mistake is frequently made)to seek external causes for particular works of music; but with Mozart it is also absurd, or at any rate useless, to seek for internal ones either. Mozart was an instrument. But who was playing it
That is what I mean by the Mozart Problem and the anxiety it causes me. In all art, in anything, there is nothing like the perfection of Mozart, nothing to compare with the range of feeling he explores, nothing to equal the contrast between the simplicity of the materials and the complexity and effect of his use of them. The piano concertos themselves exhibit these truths at their most intense; he was a greater master of this form than of the symphony itself, and to hear every one of them, in the astounding abundance of genius they provide, played as I have so recently heard them played, is to be brought face to face with a mystery which, if we could solve it, would solve the mystery of life itself.
We can see Mozart, from infant prodigy to unmarked grave. We know what he did, what he wrote, what he felt, whom he loved, where he went, what he died of. We pile up such knowledge as a child does bricks; and then we hear the little tripping rondo tune of the last concerto—and the bricks collapse; all our knowledge is useless to explain a single bar of it. It is almost enough to make me believe in — but I have run out of space, and don’t have to say it. Put K. 595 on the gramophone and say it for me.

In the expression "a single bar of it" in the last paragraph, "it" refers to ______ .

A.the tune of the last concerto

B.one of Mozart’s musical works

C.part of the knowledge we have

D.a measurement on the stave

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