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The burning of fuel oil in a diesel engine having a high sodium content, will cause （）
A . corrosion and grooving of exhaust valves
B . corrosion and gumming of the fuel injection pump
C . salt deposits in the exhaust manifold
D . slag deposits in the fuel injection equipment
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One of your customers wishes to use the NAS to perform DHCP functions and does not currently have a Layer 3 gateway in its production network. Which gateway mode is appropriate for this customer?（）
A . Virtual Gateway
B . Real-IP Gateway
C . NAT Gateway
D . IP-IP Gateway
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Marry wants to create a new application on his laptop that does not have any design elements in it. Which one of the following should he do to begin his process?（）
A . select file->Database->new and give it a filename of “blank.nsf”
B . select file->Database->new,choose local as the server,and chose the blank template
C . select file->Database->new,choose local as the server,and chose the default.ntf template
D . select file->Database->new,give it a filename of “blank.nsf”,and chose the blank template&e
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Fuel has to be injected into the engine at a high pressure so that it （） correctly.
A . is purified
B . in timed
C . is compressed
D . atomize
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Before shutting off the fuel supply to stop a medium or high–speed diesel engine, why is it necessary to allow the engine to idle for a few minutes?（）
A . To prevent internal damage form local overheating
B . To ensure the fuel nozzles are flushed clean
C . To clear the smoke stack
D . To let the waste heat boiler reduce its rate of steam generatio
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The diesel engine is a type of internal combustion engine which ignites the fuel by injecting it into hot, high pressure air in a （）.
A . air bottle
B . air compressor
C . crank case
D . combustion chamber
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While installing a new IBM System Storage DS5100 into a customer’s data center， it is discoveredthat the customer does not have enough available Fibre Channel ports on their switches. Which ofthe following should have been used to avoid this situation？（）
A . IBM DS5000 Cabling Tool
B . IBM e-Configurator Tool
C . IBM Pre-Installation TDA Checklist
D . IBM Standalone Solutions Configuration Tool
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The burning of the fuel adds more heat to the air charge, causing it to expand and force the engine piston to do work on the crankshaftWhat does “it” mean in this sentence?（）
A . the burning
B . the fuel
C . the air charge
D . the engine pisto
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You have just purchased a new Cisco 3560 switch running the enhanced IOS and need configure it to be installed in a high availability network. On a 3560 EMI switch， which three types of interfaces can be used to configure HSRP？（）
A . SVI interface
B . Access port
C . EtherChannel port channel
D . Loopback interface
E . Routed port
F . BVI interface
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The operator needs to execute a long-running shell script. How can the script be executed so the operator does not have to wait until it is complete to access the command prompt?（）
A . ./script.ksh
B . nohup ./script.ksh
C . run -b ./script.ksh
D . ./script.ksh > nohup.out
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In most cases, methods of training will not have cons.
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In the sentence “two problems could neutralize its potential benefits”, which of the following does NOT have the close meaning with the word “neutralize”?
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The clients have only __________ to blame if the paper does not include the advertisement, because they submitted it too late for the advertising agency to use.
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“Does your wife regret paying six hundred dollars for the fashionable dress?”“Not at all. She would gladly have paid ______ for it.”
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What two effects does burning fossil fuel have?
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Does everyone on earth have an equal right ________ an equal share of its resources？
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听力原文：M: Does it bother you if I have the ball game on？ I can use headphones if you like.
W: Actually a little peace and quiet would be nice. At least until I finish this chapter.
Q: What does the woman imply？
(14)
A．She'll go to the game later.
B．Noise disturbs her when she's reading.
C．She prefers to use headphones.
D．The man should turn off the radio.
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The British empire is so strong that it does not have to take Hitler's menace seriously.
A．Right
B．Wrong
C．Not mentioned
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In purification, there is no fuel oil in the clean oil outlet.It could be caused by _____. I.too high temperature of the dirty fuel oil; II. too low temperature of the dirty fuel oil; III. Clogged filter
A．I
B．I．II．III
C．II．III
D．II
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Jane: Hi, welcome to Hal’s Computer World. {A. Does he have any brand preference？; B. How much is it？; C. I’ll come back to buy it this weekend.; D. Can I help you？; E. How about this one？}
Smith: I would like to buy a computer for my son. I was told it is cheaper to buy computers here. Do you have any recommendations？
Jane: Yes. We have plenty of choices for you. So, home computer or a laptop, which one does he like？ {A. Does he have any brand preference？; B. How much is it？; C. I’ll come back to buy it this weekend.; D. Can I help you？; E. How about this one？}
Smith: He prefers ASUS(华硕), laptop, which is much more convenient.
Jane: I see. {A. Does he have any brand preference？; B. How much is it？; C. I’ll come back to buy it this weekend.; D. Can I help you？; E. How about this one？} ASUS F83E335Cr-SL. It is really suitable for students.
Smith: Let me see. Well, it’s good but I don’t think 320 GB is enough.
Jane: If you wish to upgrade the hard drive, we can definitely do so. It costs 150 to upgrade it from 320GB to 500GB.
Smith: Great. My son likes keeping a lot of movies and pictures on the hard drive.
Jane: No problem. I’ll give you a more detailed brochure later.
Smith: Thank you. {A. Does he have any brand preference？; B. How much is it？; C. I’ll come back to buy it this weekend.; D. Can I help you？; E. How about this one？} May I have a discount？
Jane: In total it costs 3900 yuan. If you pay for it on Saturday or Sunday this week, you can actually get 5 percent off the usual sale price.
Smith: Wow. That’s really good. {A. Does he have any brand preference？; B. How much is it？; C. I’ll come back to buy it this weekend.; D. Can I help you？; E. How about this one？}
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In some ways, the human body is both like a furnace and like an engine. It must have fuel to produce heat as a furnace【C1】______. It must have fuel to produce motion and do【C2】______as an engine does. The nutrients(营养物)which【C3】______energy best are carbohydrates(碳水化合物)and fats. Protein can also be used as fuel. Minerals, vitamins, and water,【C4】______extremely valuable to the body, cannot be used as fuel.
If the body takes in more carbohydrates【C5】______are used for energy, the【C6】______is stored. Two storage places are the liver(肝)and muscles. There is a【C7】______, however, to the amount of carbohydrates they can【C8】______. When they are filled and they always【C9】______be for you to feel your best, excess carbohydrates are changed to fat and【C10】______around the body.
If the body does not take【C11】______a sufficient amount of food, it will use its stored fat for energy. If you【C12】______at all, the body would use up all the stored fats and【C13】______it would use its own protein in order to keep【C14】______as long as possible.
Therefore, the【C15】______amount of food you eat should be in【C16】______with your energy requirements. It is not necessary,【C17】______, for you to go【C18】______counting calories(卡路里)and weighing food. If a person is the【C19】______weight, it is safe to【C20】______that he is eating enough.
【C1】
A．has
B．needs
C．does
D．is
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What does “de？ja？ vu” probably mean within the con...
What does “déjà vu” probably mean within the context？
A.Things we have known.
B.Things we have learned.
C.Things we have bought.
D.Things we have seen.
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A firm is said to have a top-heavy capital structure if a high percentage of its total capital is:
A、Senior debt.
B、short-term debt.
C、Secured bank debt.
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Word meaning largely depends on the context. So it does not have a fixed meaning（）
是
否
