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Oil is an important（）material which can be processed into many different products, including plastics.
- A、uncovered
- B、raw
- C、fresh
- D、crude
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更多 “Oil is an important（）material which can be processed into many different products, including plastics.A、uncoveredB、rawC、freshD、crude” 相关考题
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It is implied in the last paragraph that_________ .A． people who possess information will have more material advantage and be more wealthB． the ability to read and write will not be as the knowledge of computersC． information or knowledge will be more important in manufacturing than in servicesD． people with information or knowledge will be the potential creator of wealth in the new era
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Today in Hollywood ______.A. more television films are producedB. man-made fighting has completely taken the place of natural lightC. few films are taken for the cinemaD. oil production has become more important than the film industry
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Please find the exact definition for "sesame".A. an important victory or successB. some who supports the idea that women should have the same rights and opportunities as menC. a plant grown for its seeds and oil and used in cookingD. a continuing increase in prices ，or the rate at which prices increase
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在SQL语句中，与表达式“仓库号NOT IN(“wh1”，“wh2”)”功能相同的表达式是A．仓库号=“wh1”AND仓库号：“wh2”B．仓库号!=“wh1”OR仓库号：=“wh2”C．仓库号＜＞“wh1”OR仓库号!=“wh2”D．仓库号!=“wh1”AND仓库号!=“wh2”
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在SQL语句中，与表达式“仓库号NOT IN("whl","wh2")”功能相同的表达式是 ______。A．仓库号="wh1" AND仓库号="wh2"B．仓库号!="wh1"OR仓库号#"wh2"，C．仓库号＜＞"wh1" OR仓库号!"wh2"D．仓库号户'whl，tAND仓库号!：”wh2”
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In discussing oil pollution, one important fact to remember is that the problem remains the same( )heavy( )light oil is spilled into the water.A.both/andB.whether/orC.neither/norD.because/so
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在SQL语句中，与表达式“仓库号NOT IN（"whl ","wh2")”功能相同的表达式是A）仓库号="wh1"AND仓库号="wh2"B）仓库号!="whl" OR仓库号="wh2"C) 仓库号"wh 1" OR仓库号！="wh2"D）仓库号!="whl" AND仓库号!= "wh2"
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下列SQL语句能实现的功能是( )。 SELECT*FROM 仓库 WHERE 仓库号="WH1"; UNION; SELECT * FROM 仓库 WHERE 仓库号="WH2"A．查询在WH1或者WH2仓库中的职工信息B．查询仓库号为WH1或者WH2的仓库信息C．查询即在仓库号为WH1，又在仓库号为WH2工作的职工信息D．语句错误，不能执行
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The process that oil spilled in sea is adsorbed on the suspended material and deposited to the bottom defines ______．A.Oxidation and destructionB.DissolutionC.Oxidation and destructionD.Sedimentation
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__________coal, the most important natural fuels are the gas and oil.A.Except for
B.Except
C.Beside
D.Apart from
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__________coal, the most important natural fuels are the gas and oil.A.Except for
B.Except
C.Beside
D.Apart from
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Oil is an important（）material which can be processed into many different products, including plastics.AuncoveredBrawCfreshDcrude
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单选题The film of oil between the rings and the liner is not only essential for the lubrication but also plays an important part in achieving （）.A
an oil sealB
removing heatC
a gas sealD
cooling the piston
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单选题An important consideration in selecting a lubricating oil for use in a refrigeration compressor is for the oil to （）A
have a high viscosity indexB
mix readily with refrigerantC
have a high freezing pointD
have a low pour point
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单选题When centrifuging heavy fuel oil, an important factor to consider is the （） (1) flow rate (2) viscosity of the fuel oilA
(1) only is correctB
(2) only is correctC
both (1) and (2) are correctD
neither (1) or (2) are correct
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问答题Practice 5 For two or three candidates I’m going to describe a situation. The retail company you work for is planning to improve its website. Talk together about some of the things that are important for the improvement of the website and decide which 3 you think are most important. * three minutes for groups of three candidates Prompt material ●Contents ●Design ●Computer system ●Personal firewall Follow-up questions: (1) Do you think a company’s website is important? (2) Do you often surf the internet to get some useful information? (3)What are the advantages for a company to have a website?
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单选题Which of the following statements represents the reason for rolling over a diesel engine with the cylinder indicator cocks open prior?（）A
To test the starting systemB
To remove air bubbles from the jacket waterC
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单选题The ash content of a fuel oil is significant to the operating engineer because it （）A
is an indication of the amount of noncombustible material present in the oilB
indicates the quantity of energy released by burning a unit amount of the fuelC
is useful for determining proper atomization temperaturesD
reflects the overall thermal efficiency of the fuel oil service system
考题
单选题Why is it important for fuel oil tanks not to be topped off at the inner bottom level when loading on a cold day?（）A
Increased viscosity of the product needs higher loading pressure, which increases the chances of a spillB
Air pockets may cause the fuel to bubble out of the ullage holeC
The temperature rise of the fuel will cause an overflowD
Fueling valve may become stuck closed and cause the fuel oil to spill before the valve can be opened
考题
单选题The ignition quality of a fuel oil is an important operational consideration because it（）A
indicates the amount of abrasive material in the fuelB
affects the starting ability of a cold engineC
determines the amount of fuel penetration engineD
affects the compression ratio of an operating engine
考题
单选题The film of oil between the rings and the liner is not only essential for the lubrication but also （） achieving a gas seal.A
play a great part onB
run a role inC
plays an important part inD
acts as important part at
考题
单选题The MOST important feature of the material used for making the binnacle of a standard magnetic compass is that it is（）.A
nonmagneticB
weatherproofC
corrosion resistantD
capable of being permanently affixed to the vessel
考题
单选题Oil is an important（）material which can be processed into many different products, including plastics.A
uncoveredB
rawC
freshD
crude
考题
问答题Learning does not happen passively. It is an activity which a persondoes. It is a task can be attempted in various ways, some of which are more (1) _______appropriate as others. When the material to be learned is of a brief and (2) _______simple kind which is familiar with the person and of intense interest to him, (3) _______effective learning usually proceeds automatically. In the first place, theperson at once relates the material to another materials which are already (4) _______securely learned. Subsequently, the relevance of the newly learned materialto his interests ensures it’s being recalled on many occasions; and this (5) _______repetition minimizes the likelihood of forgetting. Furthermore, thesubsequent use of the new material is like to take place in a variety o (6) _______contexts and, so, the material becomes relating to a wider range of other (7) _______material. Because of all this, the material is rapidly learned, long retained,and recalled with increasingly readiness in an increasing variety of contexts. (8) _______Without really trying, the person has fulfilled few important conditions of (9) _______effective learning, conditions expressed by William James as follow. (10) _______“Briefly, then, of two men with the same outward experiences and the sameamount of mere native tenacity, the one who thinks over his experiencesmost, and weaves them into systematic relations with each other, will be theone with the best memory.”
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单选题Proper filtering and straining of fuel oil is important because the （）.A
fuel oil pump will over-speed if dirt is not removedB
fuel oil transfer pumps cannot tolerate small amounts of dirt in the oilC
fuel injectors may be damaged by foreign particles in the fuel oilD
dirty fuel will clog the intake air filter
考题
单选题Two important considerations for the proper lubrication of a diesel engine include the delivery of the oil in sufficient amount and the （）.A
cetane numberB
pour pointC
viscosity temperatureD
quality of the oil
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