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Which result is not caused by viscous damping increment?

A、increase the steady state error

B、slow the response

C、attenuate the amplitude of vibration

D、increase the natural frequency

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更多“Which result is not caused by …”相关的问题

第1题

According to Miekey Kaus, which of the following is NOT true?

A.Methods like evading income tax or providing more chances for job training might help reduce the existing inequality.

B.The Democratic Party is spreading propaganda that they could regain the lost paradise.

C.Americans once had a period of time when they could obtain middle-class status easily.

D.Income inequality results from the fact that society needs more and more workers who have a high skill and a good education.

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第2题

Which of the following is NOT true according to the passage?

A.Narcissism may result in bad consequences.

B.College students are active to participate in volunteer work.

C.Some people doubt whether there are remedies to counter the narcissism upsurge.

D.Some college students are overly engaged in self-promotion.

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第3题

______results show that the tank is not leaking, but this has to be confirmed by further medical trials.

A.Predominant

B.Preliminary

C.Preferable

D.Precious

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第4题

The public is well aware that high blood cholesterol levels raise the risk of stroke caused by blood clots. But a recent report concludes that people with low blood cholesterol levels are at increased risk of the other lethal type of stroke-cerebral hemorrhage, caused when a brain artery bursts. The report suggests that because blood cholesterol plays a vital role in maintaining cell membranes, low blood cholesterol weakens artery walls, making them prone to rupture. The conclusion thus supports a long-standing contention by Japanese researchers that Western diets better protect against cerebral hemorrhage than do non-Western diets. The argument is based on which one of the following assumptions?

A.Western diets are healthier than non-Western diets.

B.Western diets result in higher blood cholesterol levels than do non-Western diets.

C.High blood cholesterol levels preclude the weakening of artery walls.

D.Cerebral hemorrhages are more dangerous than strokes caused by blood clots.

E.People who have low blood pressure are at increased risk of cerebral hemorrhage.

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第5题

Which of the following is NOT true?

A.Muscle-building exercise results in weight-gaining,but that is not a problem to worry about.

B.Muscle helps one keep fit.

C.Improved muscle strength can lead to a higher quality of life.

D.Weight-training helps shape up you body.

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第6题

The year which preceded my father’s death made great change in my life. I had been living in New Jersey, working in defense plants, working and living among southerners, white and black. I knew about the south, of course, and about how southerners treated Negroes and how they expected them to behave, but it had never entered my mind that anyone would look at me and expect me to behave that way. I learned in New Jersey that to be a Negro meant, precisely, that one was never looked at but was simply at the mercy of the reflexes the color of one’s skin caused in other people. I acted in New Jersey as I had always acted, that is--as though I thought a great deal of myself--I had to act that way--with results that were, simply, unbelievable. I had scarcely arrived before I had earned the enmity, which was extraordinarily ingenious, of all my superiors and nearly all my co-workers. In the beginning, to make matters worse, I simply did not know what was happening. I did not know what had done, and I shortly began to wonder what anyone could possibly do, to bring about such unanimous, active, and unbearably vocal hostility. I knew about Jim-crow but I had never experienced it. I went to the same self-service restaurant three times and stood with all the Princeton boys before the counter, waiting for a hamburger and coffee. It was always an extraordinarily long time before anything was set before me: I had simply picked something up. Negroes were not served there, I was told, and they had been waiting for me to realize that I was always the only Negro present. Once I was told this, I determined to go there all the time. But now they were ready for me and, thought some dreadful seines were subsequently enacted in that restaurant, I never ate there again.

It was same story all over New Jersey, in bars, bowling alleys, diners, and places t0 live. I was always being forced to leave, silently, or with mutual imprecations. I very shortly became notorious and children giggled behind me when I passed and their elders whispered or shouted--they really believed that I was mad. And it did begin to work on my mind, of course.

I began to be afraid to go anywhere and to compensate for this I went places to which I really should not have gone and where, God knows, I had no desire to be. My reputation in town naturally enhanced my reputation at work and my working day became one long series of acrobatics designed to keep me out of trouble. I cannot say that these acrobatics night, with but one aim: to eject me. I was fired once, and contrived, with the aid of a friend from New York, to get back on the payroll; was fired again, and bounced back again. It took a while to fire me for the third time, but the third time took me. There were no loopholes anywhere. There was not even any way of getting back inside the gates.

That year in New Jersey lives in my mind as though it were the year during which, having an unsuspected predilection for it, I first contracted some dread, chronic disease, the unfailing symptom of which is a kind of blind fever, a pounding in the skull and fire in the bowels. Once this disease is contracted, one can never be really carefree again, for the fever, without an instant’s warning, can recur at any moment. It can wreck more important race relations. There is not a Negro alive who does not have this rage in his blood--one has the choice, merely, of living with it consciously or surrendering to it. As for me, this fever has recurred in me, and does, and will until the day I die.

My last night in New Jersey, a white friend from New York took me to the nearest big town, Trenton, to go to the movies and have a few drinks. As it turned out, he also saved me from, at the very least, a violent whipping. Almost every detail of that night stands out very clearly in my memory. I even remember the name of the movie we saw because its title impressed me as being so pertly ironical. It was a movie abou

A.derogatory

B.ironical

C.appreciative

D.neutral

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第7题

Which of the following is not needed in a feasibility report?

A、The background and problem necessitating the proposal

B、Problems that may result from implementation

C、Costs of implementing the proposal

D、Persuasive techniques

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第8题

Which of the following is NOT the desired result of arbitration, according to the author?

A.Resolving your conflicts.

B.Not having to go to court.

C.Easing on your emotions.

D.Costing you less money.

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第9题

听力原文: Sudan's foreign minister says Tuesday's plane crash which killed at least 115 people was a direct result of U.S. sanctions. Musafa Osman Ismail said the accident was caused by a lack of spare parts which he said were unavailable because of those sanctions. The United States imposed sanctions on Sudan in 199It also remains on the U.S. list of nations that sponsor terrorism. The U.S. State Department rejected the Sudanese allegation, saying there is no ban on aviation safety equipment. The Sudan Airways Boeing 737 crashed minutes after take-off, killing everyone on board except a young boy.

What should be blamed for the crash?

A.Terrorist attacks.

B.U.S. sanctions.

C.Lack of spare parts.

D.Lack of regular maintenance.

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