What best describes benzene ________．A.Clear colorless liquid with an acrid odorB.Clear colorless liquid with an aromatic odorC.Brownish liquid，odorlessD.Brownish liquid，with an acrid odor
What best describes benzene ________．
A.Clear colorless liquid with an acrid odor
B.Clear colorless liquid with an aromatic odor
C.Brownish liquid，odorless
D.Brownish liquid，with an acrid odor
相关考题：
The term that best describes the 'right' to manipulate or change others is called?A AuthorityB PowerC LeadershipD CoercivenessE Project charter
What is the best title for this passage?（ ）A．Getting a New JobB．Tips on How to WorkC．The First—day WorkD．The Importance of Co-workers
Sulfuric acid is a ______．A.Clear syrupy liquid with no odorB.Colorless-to-brown liquid with a choking odor when hotC.Colorless liquid with a pleasant fruity odorD.Whitish liquid with a faint，pleasant odor
What best describes for how long a gas-free test is good ________．A.For as long as is indicated on the gas-free certificateB.For the instant that it is madeC.Until valves in line with the tank or compartment are reopenedD.Until changes in temperature or pressure affect the vapor content in the space
What is a wet cargo ________．A.A liquid cargo carried in the deep tanksB.A canned or bottled liquid such as beerC.A cargo that contains hygroscopic moistureD.A cargo particularly susceptible to damage by moisture
Which statement best describes what Cisco Smart Care Service provides?（）A、bundled technical support and maintenance for Cisco networksB、bundled, unlimited support with the purchase of any Cisco productC、technical support, maintenance, and monitoring to Cisco networksD、fee-based add-on support and tech-to-tech assistance for Cisco products
What best describes processing delay？（）A、the time required from receipt of the incoming frame， until the frame/packet has been queued for transmissionB、the time taken for a single packet to traverse the physical medium from one end to the otherC、the time taken to place a frame on the physical medium for transportD、the time spent for a packet to reside in the output queue of a router
Which of the following BEST describes a hub?（）A、Determines the best route to transmit dataB、Inspects traffic and accepts or declines transmissionC、Broadcasts data to specific network devicesD、Broadcasts data to all network devices
What best describes an FXO interface？（）A、analog trunks that provide the Survivable Remote Site Telephony (SRST) feature B、analog trunks that provide VoIP gateway functionality C、analog trunks that connect a gateway to plain old telephone service (POTS) device such as analog phones, fax machines, and legacy voice-mail systems D、analog trunks that connect a gateway to a central office (CO) or private branch exchange (PBX)
Which of the following BEST describes RAID 10？（）A、 Mirroring with stripingB、 Mirroring with fault toleranceC、 StripingD、 Striping with distributed parity
Which of the following would BEST provide cooling to a processor?（）A、Case fanB、HeatsinkC、Liquid cooling systemD、CPU fan
Which of the following BEST describes a benefit of RAID 0?（）A、High fault toleranceB、Ease of failure recoveryC、High performanceD、No configuration
Which of the following BEST describes RAID 1?（）A、MirroringB、StripingC、Striping with parityD、Striping with mirroring
Which of the following best describes what is meant by Linux Affinity on AIX？（）A、The ability to install a Linux system on an AIX systemB、The ability to install an AIX system on a Linux systemC、The ability to compile and run a Linux application on AIXD、The ability to compile and run an AIX application on Linux
单选题What best describes an anchor buoy（）.AA black ball that is hoisted when the ship anchorsBA buoy attached to the anchorCA buoy attached to the scope of an anchor chainDA mark of the number of fathoms in an anchor chain
单选题Which of the following best describes the structure of the passage?AIt mentions a puzzling situation, and then describes three approaches people have taken to help understand that situation.BIt presents an argument for why something took place, and then offers a refutation of that argument.CIt introduces a past phenomenon and then presents three explanations for why the phenomenon took place.DIt describes a problem, offers a solution to the problem, and then ofiers reasons why the solution could not work.EIt offers three explanations for a phenomenon and then summarizes what all three have in common.
单选题What best describes the structure from which Stratford Point Light is shown?（）ABrown conical tower with white horizontal band in center of light on black pierBRed conical tower on brown cylindrical pierCWhite octagonal house on brown cylindrical pierDWhite conical tower，with brown band midway of height
单选题The valve best suited for throttling gas or liquid flow in a pipeline is the（）.Agate valveBglobe valveCcheck valveDplug cock
单选题Which of the following statements is true concerning the cetane number rating of diesel fuel? （）AThe cetane number is obtained by comparing the fuel with cetane a colorless liquid hydrocarbonBThe higher the cetane number, the shorter the ignition lagCThe highest cetane number of fuel is 100DAll of the above
单选题Which of the following best describes the age of the data in an OLTP system?（）ACurrentBProjectedCHistoricalDCurrent and projected
单选题Which of the following best describes what is meant by Linux Affinity on AIX？（）AThe ability to install a Linux system on an AIX systemBThe ability to install an AIX system on a Linux systemCThe ability to compile and run a Linux application on AIXDThe ability to compile and run an AIX application on Linux
单选题What is the substance called which can readily be converted from a liquid into a vapor, and also from a vapor into liquid with a reasonably narrow range of pressure?（）ARefrigeratorBRefrigerantCCooling mediumDBrine
单选题What are the most important reasons for using water fog to fight fires?（）ASmothers burning surfaces，organically destroys fuelBCools fire and adjacent surfaces，provides protective barrierCReaches areas not protected by steam or CO2 smothering systemsDAllows fire to be attacked from leeward，saturates liquid surfaces
单选题What type of liquid is used in the liquid P/V breaker（）.AHydraulic oilBWater-antifreeze mixtureCDistilled waterDOil from the cargo