What is the period of validity of the SOLAS required Cargo Ship Safety Construction Certificate? （）

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  A . apogean tide B . double high water C . perigean tide D . bore

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• When configuring Cisco IOS login enhancements for virtual connections， what is the "quiet period"？（）

  A . The period of time in which virtual login attempts are blocked， following repeated failed login attempts B . The period of time in which virtual logins are blocked as security services fully initialize C . A period of time when no one is attempting tolog in D . The period of time between successive login attempt

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• What is the default routing update period for RIPv2?（）

  A . 15 seconds B . 30 seconds C . 180 seconds D . 240 second

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• The period of valve overlap is when （）.

  A . the inlet valve is open B . the exhaust valve is open C . both valves are close D . both valves are ope

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• What is periodically multicasted （every 10 seconds） by the DIS on a LAN to ensure IS-IS Link StateDatabase accuracy？（）

  A . PSNP B . CSNP C . LSP D . IIH E . ISH

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• The average height of the surface of the sea for all stages of the tide over a 19 year period is called（）.

  A . mean high water B . mean low water C . half-tide level D . mean sea level

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• The process of waiting a period of time before pretensioning an anchor is known as（）.

  A . soaking B . settling C . sinking D . bedding i

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• The Romantic period is also a great age of prose.

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• What happened in the world history during the period of 1929-1933?

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• In the English literature of the 17th century, the _______ period is traditionally called 'Age of Dryden'.

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• An investment of $42,000 is expected to generate the following annual cash flows:Year 1 $10,000Year 2 $15,000Year 3 $15,000Year 4 $12,000Assume straight-line depreciation is used. Ignore income taxes. What is the payback period?

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• S phase is the period when the contents of a cell are actually divided.

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• Which is not the work of the first period of Milton’s career?

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• The Restoration period is called “Age of Chaucer”

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• Which is not the work of the second period of Milton’s career?

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• The Romantic Period is first of all an age of________

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• The crisis period is also called the _______ or ________ stage. During this stage, a person experiences what is called ___________. Sojourners in this period must directly face the _______ of the new culture on a day-to-day basis.

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• What wind condition prolongs the hazards of wake turbulence on a landing runway for the longest period of time？

  A、Direct tailwind B、Light quartering tailwind C、Light quartering headwind

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• The relation of the earth on its axis is responsible for the_____of periods of light and darkness.

  A．alteration B．alternation C．alternative D．altercation

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• Is language, like food, a basic human need without which a child at a critical period of life can be starved and damaged？ Judging from the drastic experiment of Frederick Ⅱ in the thirteenth century, it may be. Hop hag to discover what language a child would speak if he heard no mother tongue, he told the nurses to keep silent.

  All the infants died before the first year. But clearly there was more than lack of language here. What was missing was good mothering. Without good mothering, ill the first year of life especially, the capacity to survive is seriously affected. Today no such severe lack exists as that ordered by Frederick. Nevertheless, some children are still backward in speaking. Most often the reason for this is that the mother is insensitive to the signals of the in fact, whose brain is programmed to learn language rapidly. If these sensitive periods are neglected, the ideal time for acquiring skills passes and they might never be learned so easily again. A bird learns to sing and to fly rapidly at the right time, but the process is slow and hard once the critical stage has passed. Experts suggest that speech stages are reached in a fixed sequence and at a constant age, but there are cases where speech tins started late in a child who eventually turns out to be of high IQ. At twelve weeks a baby smiles and makes vowel-like sounds; at twelve months he can speak simple words and understand simple commands; at eighteen months he has a vocabulary of three to fifty words. At three he knows about 1000 words which he can put into sentences, and at four he knows iris language differs from that of his parents in style. rather than grammar. Recent evidence suggests that an infant is born with the capacity of speaking. What is special about man's brain, compared with that of the monkey, is the complex system which enables a child to connect the sight and feel of, say, a toy-bear with the sound pattern "toy-bear". And even more incredible is the young brain's ability to pick out an order in language from the mixture of sound around him, to analyze, to combine and recombine the parts of a language in new ways. But speech has to be induced, and this depends on interaction between the mother and the child, where the mother recognizes the signals in the child's babbling, grasping and smiling, and responds to them. Insensitivity of the mother to these signals dulls the interaction because the child gets discouraged and sends out on- ly the obvious signals. Sensitivity to the child's non-verbal signals is essential to the growth and development of language. The purpose of the Frederick Ⅱ's experiment was ______. A．to prove that children are bom with the ability to speak B．to discover what language a child would speak without hearing any human speech C．to find out what role careful nursing would play in teaching a child to speak D．to prove that a child would be damaged without learning a language

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• Which of the following is the right setting of the Basic Recording Period （BRP) for ST

  A．A.20or25minutes B．B.10or20minutes C．C.5or15minutes

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• A 28-year-old woman with the first day of her last menstrual period of May 7, what is the estimated date of delivery（）

  A．February 10 of the next year B．February 14 of the next year C．December 10 of the same year D．December 14 of the same year E．February 16 of the next year

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• The study of language development over a period of time is generally calledlinguistics．

  A．applied B．synchronic C．comparative D．diaehronic

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