问答题Carrie, Lisa, and Betty all make purchases at a music store that sells all records for a certain price and all CDs for a certain price. How much does Carrie pay for 1 record and 2 CDs?　　(1) Lisa bought 3 records for $22.50.　　(2) Betty bought 2 records

题目
问答题
Carrie, Lisa, and Betty all make purchases at a music store that sells all records for a certain price and all CDs for a certain price. How much does Carrie pay for 1 record and 2 CDs?　　(1) Lisa bought 3 records for $22.50.　　(2) Betty bought 2 records and 4 CDs for $55.00.
相似考题

1.15 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

2.A bank reconciliation should be prepared periodically because ( )A. the depositor's records and the bank's records are in agreementB. the bank has not recorded all of its transactionsC. any differences between the depositor's records and the bank's records should be determined, and any errors made by either party should be

3._______, we keep records on all the experiments so that we can have enough data.A. As a wholeB. As a ruleC. On the averageD. By all means

4.You are the database administrator for a retail company. The company owns 270 stores. Every month, each store submits approximately 2,000 sales records, which are loaded into a SQL Server 2000 database at the corporate headquarters.A Data Transformation Services (DTS) package transforms the sales records, as they are loaded. The package writes the transformed sales records to the Sales table, which has a column for integer primary key values. The IDENTITY property automatically assigns a key value to each transformed sales record.After loading this month's sales data, you discover that a portion of the data contains errors. You stop loading data, identify the problem records, and delete those records from the database.You want to reuse the key values that were assigned to the records that you deleted. You want to assign the deleted key values to the next sales records you load. You also want to disrupt users' work as little as possible.What should you do?A．Export all records from the Sales table to a temporary table. Truncate the Sales table, and then reload the records from the temporary table.B．Export all records from the Sales table to a text file. Drop the Sales table, and then reload the records from the text file.C．Use the DBCC CHECKIDENT statement to reseed the Sales table's IDENTITY property.D．Set the Sales table's IDENTITY_INSERT property to ON. Add new sales records that have the desired key values.

更多“问答题Carrie, Lisa, and Betty all make purchases at a music store that sells all records for a certain price and all CDs for a certain price. How much does Carrie pay for 1 record and 2 CDs?　　(1) Lisa bought 3 records for $22.50.　　(2) Betty bought 2 records ”相关问题

  • 第1题：

    All of the following records are usually maintained by the watch-standing officers aboard a vessel EXCEPT the ______.

    A.deck logbook

    B.official logbook

    C.compass record book

    D.chronometer error book


    正确答案：B

  • 第2题：

    As recently as three decades ago,many Americans believed that using credit was an unwise and?dangerous way to pay for what they bought．Some even thought that owing money to a store or a?credit company was something to be ashamed of．Good citizens,they believed,always bought what?they wanted with real money and they paid the full price immediately．
    Today,however,all that has changed．Credit,as some observers have noted,has become a?way of life in the United States．More and more Americans now are depending on those small pieces?of plastic,credit cards,to pay for large purchases such as televisions,record players or furniture．Many people today would consider it unusual not to use a credit card to pay for a costly restaurant?dinner,a hotel room or an airline trip．And there are some situations in which Americans must have?credit cards．If they want the temporary use of a car,for example,they first must give the car rental?company the number of their credit card．That number is considered a guarantee that they will return?the car and pay for using it．
    Credit cards offer two major services to Americans．First of all,they are easier and safer to?carry than large amounts of money．Second,they permit people to borrow,to have the immediate?pleasure of owning something,even if they do not have enough money to pay for it at the time．With?credit cards people pay for goods or services at the end of each month instead of when they buy them．And when the time does come to pay,most credit cards offer people a choice．They can pay all of?what they owe for the month or they can just pay usually between 5 and 10 percent of what they owe．

    Why does the car rental company ask for the credit card number?

    A.To prevent the overuse of the car．
    B.To make sure that the car won't be damaged．
    C.To make sure the user return the car and pay for using it．
    D.To ensure that the car is safely and timely returned．

    答案：C
    解析：
    【考情点拨】事实细节题。
    【应试指导】根据文章第二段最后两句可知，汽车出租商要信用卡卡号是为了确保租车人会归还汽车并付费，故选C。

  • 第3题：

    Of all the students in our class, Betty writes（）

    Avery carefully 

    Bmost carefully 

    Cmore carefully

    Dthe most carefully


    B
    略

  • 第4题：

    Of all the students in our class, Betty writes（）

    • A、very carefully 
    • B、most carefully 
    • C、more carefully
    • D、the most carefully

    正确答案:B

  • 第5题：

    Which statement correctly describes the change tracking writer （CTWR） background process？（）

    • A、 It keeps track of changes in the background processes.
    • B、 It records the system change number （SCN） in the control file.
    • C、 It writes audit records for user changes to the change tracking file.
    • D、 It records any changes to the listened configuration in the listener.ora file.
    • E、 It records any changes to the database parameters in the change tracking file.
    • F、 It records the physical location of all the changes that are made to the database in the change tracking file.

    正确答案:F

  • 第6题：

    A company just hired a new plant maintenance manager, and they are concerned about the number of corrupt asset records in the present system. In future they want to prevent this from happening. When implementing the new solution, what is recommended?（）

    • A、All maintenance personnel have full access to all records.
    • B、All maintenance personnel have read-only access to all data. 
    • C、Only a very limited number of personnel have full access to static data records, but all maintenance personnel are able to enter work order data.
    • D、Maintenance personnel should not be using the system, and should only write entries on printed work orders and hire input clerks to enter these into the system.

    正确答案:C

  • 第7题：

    Your network consists of a single Active Directory domain. All servers run Windows Server 2003 Service Pack 2 （SP2）.You have two DNS servers named Server1 and Server2. Server1 hosts the primary zone for contoso.com.  Server2 hosts the secondary zone for contoso.com. You need to ensure that when records are updated on Server1， the records are replicated to Server2 in the shortest time possible.  What should you do？（）

    • A、On Server1，modify the zone transfer settings.
    • B、On Server2，modify the zone transfer settings.
    • C、On Server2，enable automatic scavenging of stale records.
    • D、On Server1，modify the Time to Live （TTL） of the start of authority （SOA） record.

    正确答案:A

  • 第8题：

    You install two Exchange Server 2010 Service Pack 1 （SP1） Edge Transport servers named Edge1 and Edge2.You need to ensure that e-mail is sent only to Edge2 if Edge1 fails. What should you do？（）

    • A、Create two CNAME records that have the same name.Create one MX record that uses the FQDN of the CNAME records.Assign a priority of 0 to the MX record.
    • B、Create two MX records.Assign the MX record for Edge1 a priority of 5.Assign the MX record for Edge2 a priority of 1.
    • C、Create two A records that use the same name.Create one MX record that uses the FQDN of the A record.Assign a priority of 0 to the MX record.
    • D、Create two MX records.Assign the MX record for Edge1 a priority of 1.Assign the MX record for Edge2 a priority of 5.

    正确答案:D

  • 第9题：

    单选题
    （）,we keep records on all the experiments so that we may have enough.
    A

    As a whole

    B

    As a rule

    C

    On the average

    D

    by all means


    正确答案： C
    解析： 暂无解析

  • 第10题：

    单选题
    Your network consists of a single Active Directory domain. All servers run Windows Server 2003 Service Pack 2 (SP2). You have a DNS server named Server1 that hosts a primary zone for the domain. You have a DNS server named Server 2 that hosts a secondary zone for the domain. You discover that the resource records on Server2 are different from the resource records on Server1. You need to ensure that the resource records are the same on Server1 and Server2.  What should you do?（）
    A

    On Server2， select Reload in the DNS zone.

    B

    On Server2， select Reload from Master in the DNS zone.

    C

    On Server1， select Update Server Data File in the DNS zone.

    D

    On Server1， deselect the Fail on load if bad zone data option.


    正确答案： D
    解析： 暂无解析

  • 第11题：

    多选题
    Which three statements about OSPF partial SPF are true？（）
    A

    If it is triggered by Type 4， all Type 4 LSAs that announce a certain ASBR and all Type 5 and 7 LSAs are processed

    B

    If it is triggered by Types 5 and 7， all Type 5 and 7 LSAs that contribute to a certain destination are processed.

    C

    If it is triggered by Type 2， all Type 2 LSAs that contribute to a certain destination are processed.

    D

    If it is triggered by the change of Type 3， 4， 5， and 7 LSAs.

    E

    If it is triggered by the change of Type 2， 3， 5， and 7 LSAs


    正确答案： B,D
    解析： 暂无解析

  • 第12题：

    单选题
    Suzie’s Discount Footwear sells all pairs of shoes for one price and all pairs of boots for another price. On Monday the store sold 22 pairs of shoes and 16 pairs of boots for $650. On Tuesday the store sold 8 pairs of shoes and 32 pairs of boots for $760. How much more do pairs of boots cost than pairs of shoes at Suzie’s Discount Footwear?
    A

    $2. 50

    B

    $5. 00

    C

    $5. 50

    D

    $7. 50

    E

    $15. 00


    正确答案： D
    解析：
    设鞋子的单价为x，靴子的单价为y，则22x+16y=650,8x+32y=760，故x=15，y=20，两者相差$5，故本题选B项。

  • 第13题：

    As recently as three decades ago,many Americans believed that using credit was an unwise and?dangerous way to pay for what they bought．Some even thought that owing money to a store or a?credit company was something to be ashamed of．Good citizens,they believed,always bought what?they wanted with real money and they paid the full price immediately．
    Today,however,all that has changed．Credit,as some observers have noted,has become a?way of life in the United States．More and more Americans now are depending on those small pieces?of plastic,credit cards,to pay for large purchases such as televisions,record players or furniture．Many people today would consider it unusual not to use a credit card to pay for a costly restaurant?dinner,a hotel room or an airline trip．And there are some situations in which Americans must have?credit cards．If they want the temporary use of a car,for example,they first must give the car rental?company the number of their credit card．That number is considered a guarantee that they will return?the car and pay for using it．
    Credit cards offer two major services to Americans．First of all,they are easier and safer to?carry than large amounts of money．Second,they permit people to borrow,to have the immediate?pleasure of owning something,even if they do not have enough money to pay for it at the time．With?credit cards people pay for goods or services at the end of each month instead of when they buy them．And when the time does come to pay,most credit cards offer people a choice．They can pay all of?what they owe for the month or they can just pay usually between 5 and 10 percent of what they owe．

    What advantage can credit card holders have?

    A.They can choose not to pay for their purchases．
    B.They can easily borrow money at a lower interest．
    C.They can own something before they actually pay for it．
    D.They can pay only a small amount of what they owe．

    答案：C
    解析：
    【考情点拨】事实细节题。
    【应试指导】由文章第三段第三句“they permit people to borrow…for it at the time”可知，即使目前不能支付得起，人们仍然可以提前拥有某样东西，故选C。

  • 第14题：

    （）,we keep records on all the experiments so that we may have enough.

    AAs a whole

    BAs a rule

    COn the average

    Dby all means


    B
    略

  • 第15题：

    （）,we keep records on all the experiments so that we may have enough.

    • A、As a whole
    • B、As a rule
    • C、On the average
    • D、by all means

    正确答案:B

  • 第16题：

    Which two are differences between IGMPv2 and IGMPv3 reports？（）

    • A、IGMPv3 has the ability to include or exclude source lists.
    • B、All IGMPv3 hosts send reports to destination address 224.0.0.22.
    • C、Only IGMPv2 reports may contain multiple group state records.
    • D、All IGMPv3 hosts send reports to destination address 224.0.0.23.
    • E、IGMPv2 does not support the Leave Group message.

    正确答案:A,B

  • 第17题：

    Which three statements about OSPF partial SPF are true？（）

    • A、If it is triggered by Type 4， all Type 4 LSAs that announce a certain ASBR and all Type 5 and 7 LSAs are processed
    • B、If it is triggered by Types 5 and 7， all Type 5 and 7 LSAs that contribute to a certain destination are processed.
    • C、If it is triggered by Type 2， all Type 2 LSAs that contribute to a certain destination are processed.
    • D、If it is triggered by the change of Type 3， 4， 5， and 7 LSAs.
    • E、If it is triggered by the change of Type 2， 3， 5， and 7 LSAs

    正确答案:A,B,D

  • 第18题：

    You install two Exchange Server 2010 Edge Transport servers named Server1 and Server2.You need to ensure that e-mail sent from the Internet is sent to Server2 if Server1 fails.What should you do？（）

    • A、Create two SRV records.Assign the SRV record for Server1 a priority of 20.Assign the SRV record Server2 a priority of 10.
    • B、Create two SRV records.Assign the SRV record for Server1 a priority of 10.Assign the SRV record for Server2 a priority of 20.
    • C、Create two MX records.Assign the MX record for Server1 a priority of 20.Assign the MX record for Server2 a priority of 10.
    • D、Create two MX records.Assign the MX record for Server1 a priority of 10.Assign the MX record for Server2 a priority of 20.

    正确答案:D

  • 第19题：

    Your network consists of a single Active Directory domain. All servers run Windows Server 2003 Service Pack 2 （SP2）. You have a DNS server named Server1 that hosts a primary zone for the domain. You have a DNS server named Server 2 that hosts a secondary zone for the domain.  You discover that the resource records on Server2 are different from the resource records on Server1. You need to ensure that the resource records are the same on Server1 and Server2.  What should you do？（）

    • A、On Server2， select Reload in the DNS zone.
    • B、On Server2， select Reload from Master in the DNS zone.
    • C、On Server1， select Update Server Data File in the DNS zone.
    • D、On Server1， deselect the Fail on load if bad zone data option.

    正确答案:B

  • 第20题：

    单选题
    A company just hired a new plant maintenance manager, and they are concerned about the number of corrupt asset records in the present system. In future they want to prevent this from happening. When implementing the new solution, what is recommended?（）
    A

    All maintenance personnel have full access to all records.

    B

    All maintenance personnel have read-only access to all data. 

    C

    Only a very limited number of personnel have full access to static data records, but all maintenance personnel are able to enter work order data.

    D

    Maintenance personnel should not be using the system, and should only write entries on printed work orders and hire input clerks to enter these into the system.


    正确答案： C
    解析： 暂无解析

  • 第21题：

    单选题
    Your company has a single Active Directory directory service domain. All servers in your environment run Windows Server 2003. All domain controllers run Active DirectoryCintegrated DNS. You create several static host （A） resource records. You need to verify that the DNS server is sending the correct host records to all client computers.  Which command-line tool should you use？（）
    A

     netsh

    B

     tracert

    C

     ntdsutil

    D

     nslookup


    正确答案： D
    解析： 暂无解析

  • 第22题：

    单选题
    All of the following records are usually maintained by the watch-standing officers aboard a vessel except the（）.
    A

    deck logbook

    B

    official logbook

    C

    compass record book

    D

    chronometer error book


    正确答案： C
    解析： 暂无解析

  • 第23题：

    单选题
    You are a network administrator for your company. The network consists of a single Active Directory domain. All servers run Windows Server 2003. Client computers run Windows XP Professional， Windows 2000 Professional， or Windows NT Workstation. All client computers are configured with default settings.A server named Server1 functions as a DHCP and DNS server. All client computers are configured to use Server1 for name resolution. All DNS zones on Server1 are enabled for DNS dynamic updates. The company’s written security policy states that， when possible， the computer account for each client computer should be the owner of its own DNS host record.A server named Server18 contains antivirus server software. Server18 must be able to contact client computers by using fully qualified domain names （FQDNs） to propagate virus definition updates.You need to ensure that Server18 can resolve FQDNs for all client computers on the network. Which option should you modify on Server1？（）
    A

    the Dynamically update DNS A and PTR records only if requested by the DHCP clients check box

    B

    the Always dynamically update DNS A and PTR records check box

    C

    the Discard A and PTR records when lease is deleted check box

    D

    the Dynamically update DNS A and PTR records for DHCP clients that do not request dynamic updates （for example， clients running Windows NT 4.0） check box


    正确答案： D
    解析： 暂无解析

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