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2、下列说法正确的是：（单选） Which of the following statements is correct？ （There is only one correct answer）
A.空串就是空白串“Empty string” is blank string.#B.空串是任意字符串的子串 Empty string is a substring of arbitrary string.#C.串只可以采用顺序存储，不可以采用链式存储 String only can be stored in sequential method and cannot be stored in linked method.#D.在C++标准中，char S[M]最多能表示长度为M的字符串 In C ++ standards, char S[M] can represent up to a string of length M.参考答案和解析
A
更多 “2、下列说法正确的是：（单选） Which of the following statements is correct？ （There is only one correct answer）A.空串就是空白串“Empty string” is blank string.#B.空串是任意字符串的子串 Empty string is a substring of arbitrary string.#C.串只可以采用顺序存储，不可以采用链式存储 String only can be stored in sequential method and cannot be stored in linked method.#D.在C++标准中，char S[M]最多能表示长度为M的字符串 In C ++ standards, char S[M] can represent up to a string of length M.” 相关考题
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15 Which of the following statements about intangible assets are correct?1 If certain criteria are met, research expenditure must be recognised as an intangible asset.2 Goodwill may not be revalued upwards.3 Internally generated goodwill should not be capitalised.A 2 and 3 onlyB 1 and 3 onlyC 1 and 2 onlyD All three statements are correct
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20 IAS 2 Inventories defines the extent to which overheads are included in the cost of inventories of finished goods.Which of the following statements about the IAS 2 requirements in this area are correct?1 Finished goods inventories may be valued on the basis of labour and materials cost only, without including overheads.2 Carriage inwards, but not carriage outwards, should be included in overheads when valuing inventories of finished goods.3 Factory management costs should be included in fixed overheads allocated to inventories of finished goods.A All three statements are correctB 1 and 2 onlyC 1 and 3 onlyD 2 and 3 only
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19 Which of the following statements about intangible assets in company financial statements are correct accordingto international accounting standards?1 Internally generated goodwill should not be capitalised.2 Purchased goodwill should normally be amortised through the income statement.3 Development expenditure must be capitalised if certain conditions are met.A 1 and 3 onlyB 1 and 2 onlyC 2 and 3 onlyD All three statements are correct
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Which of the following statements about internet is (are) correct?Ⅰ.Each host in internet only has a IP address.Ⅱ.It is possible to have multiple names corresponding to the same IP address.Ⅲ.In users' points, Internet means a virtual network.A．NoneB．Ⅰ and ⅡC．Ⅱ and ⅢD．All
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In the following statements about graph operations，which one is NOT correct?A．Finding critical path is an operation on directed graphB．Finding critical path is an operation on undirected graphC．Spanning tree of a graph may not be uniqueD．Minimum spanning tree of a graph may not be unique
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In HDLC Protocol, when Supervisory Frame's type code is '00'.About the following statements, which is correct.A．Receive ReadyB．Receive not ReadyC．RejectD．Selective Reject
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The correct meaning of a lexical item in a given context is__________
A．the one provided in a dictionary
B．the one which best fits the context
C．the central or core meaning of the item
D．the one which is assumed to be correct
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Which statements about 802.1Q trunking in Secure Network Foundation Design Guide for Single Site Deployments are correct？（）A、The Cisco Control VLAN carries only Layer 2 control trafficB、802.1Q trunking is used between the access switch and the routerC、There is no 802.1Q trunking used in these designsD、When 802.1Q trunks are configured， they are also called Native VLANsE、Trunking Ensures that traffic from only one VLAN is carried on that trunk
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Which of the following answer is correct to express the value 8 in octal number？（） A、 010B、 0x10C、 08D、 0x8
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Your database is up and running and one of your three control files is accidentally erased. You start RMAN and run the following command： RESTORE CONTROLFILE FROM AUTOBACKUP； Which of the following statements is true？（） A、 The command restores only the missing control file.B、 The command restores all the control files.C、 The command fails because the database is running.D、 This is the correct way to address this problem.E、 This is not the correct way to address this problem.
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Which one of the following statements about the TNSPING utility is correct？（）A、It helps you to determine whether or not the Oracle database is running.B、It requires the username and password to check the connectivity of the service.C、It does not require the username and password to check the connectivity of the service.D、It establishes a session with the database and checks the connectivity of the service.
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单选题Which of the following statements concerning energy is correct?（）A
Energy can be created or destroyedB
Energy may not be transformedC
The total quantity of energy in the universe is always the sameD
None of the above
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多选题Your database is up and running and one of your three control files is accidentally erased. You start RMAN and run the following command： RESTORE CONTROLFILE FROM AUTOBACKUP； Which of the following statements is true？（）AThe command restores only the missing control file.BThe command restores all the control files.CThe command fails because the database is running.DThis is the correct way to address this problem.EThis is not the correct way to address this problem.
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单选题A customer purchases a virtual media key on a x3650 M3. They ask where to install the key. Which of the following provides the correct answer？（）A
Problem Determination and Service GuideB
xRefC
ServerGuide Hardware ReferenceD
COG
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单选题Which of the following statements concerning cargo is correct?（）A
Cargoes are any type of goods transported by any type of shipsB
Cargoes are goods transported in bulkC
Cargoes usually include goods transported in bulk and in containersD
Cargoes are usually packaged in containers
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单选题Which of the following statements concerning butterfly valves is correct?（）A
Special tools are required for lapping or grindingB
It is impossible to throttle flow with a butterfly valveC
To close the valve, it is only necessary to turn the handle a quarter of a turnD
The butterfly valve should never be used in a freshwater system
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单选题Which of the following statements is correct concerning heat transfer?（）A
Heat is given off from a high temperature region known as a heat sinkB
Heat transfer rate is affected most by the size of the heat sink involvedC
Heat transfer rate is affected most by the temperature difference between the heat source and the heat sinkD
Heat transfer by radiation will occur only by mass motion of a fluid substance
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单选题Which of the following statements represents the correct action to take when three crew members discover a fire?（）A
One man report the fire, and the other two men fight the fireB
One man report the fire, one man fight the fire, and one man evacuate and secure the areaC
One man report the fire, one man fight the fire, and one man act as a safety observerD
All three men fight the fire and report it immediately after it is extinguished
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单选题Which of the following answer is correct to express the value 8 in octal number？（）A
010B
0x10C
08D
0x8
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单选题Which of the following statements concerning fire-tube boilers is correct?（）A
Combustion gases flow through the tubesB
Flames impinge on the tubesC
Combustion occurs in the tubesD
Water flows through the tubes
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单选题Which of the following statements is correct concerning the “flash point ” of a liquid?（）A
It is lower than the ignition temperatureB
It is the temperature at which a substance will spontaneously igniteC
It is the temperature at which a substance, when ignited, will continue to bumD
It is the temperature at which the released vapors will fall within the explosive range
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单选题Which statements about 802.1Q trunking in Secure Network Foundation Design Guide for Single Site Deployments are correct？（）A
The Cisco Control VLAN carries only Layer 2 control trafficB
802.1Q trunking is used between the access switch and the routerC
There is no 802.1Q trunking used in these designsD
When 802.1Q trunks are configured， they are also called Native VLANsE
Trunking Ensures that traffic from only one VLAN is carried on that trunk
考题
单选题The correct meaning of a lexical item in a given context is _____.A
the one provided in a dictionaryB
the one which best fits the contextC
the central or core meaning of the itemD
the one which is assumed to he correct
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单选题I think they are（） Which of the following is not correct?A
BritonB
BritishC
EnglishD
Englishmen
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单选题Which of the following statements concerning fuel atomization in a diesel engine cylinder is correct?（）A
The greater the atomization, the greater the penetrationB
The greater the atomization, the less the penetrationC
The degree of atomization has nothing to do with the degree of penetrationD
Atomization and penetration are one and the same
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单选题Which one of the following statements about the TNSPING utility is correct？（）A
It helps you to determine whether or not the Oracle database is running.B
It requires the username and password to check the connectivity of the service.C
It does not require the username and password to check the connectivity of the service.D
It establishes a session with the database and checks the connectivity of the service.
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单选题Which of the following statements is correct concerning the viscosity of lubricating oil?（）A
Viscosity will increase as temperature increasesB
Viscosity is a measure of a fluid s internal resistance to flowC
Viscosity will decrease as temperature decreasesD
Viscosity is not dependent on temperature
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单选题CONVERSION 2 Questions l to 5 are based on an conversation. At the end of the conversation you will be given 10 seconds to answer each of the following five questions. Now listen to the conversation. According to the conversation, which of the following statements is CORRECT?A
Roger prefers to live in town.B
Julia prefers to live in a village.C
Roger prefers to live with familiar neighbors.D
Julia prefers to travel back and forth to London.
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