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更多“Lucy has obtained your address from a friend of ( )in Miami A.MeB.IC.MineD.my”相关问题
  • 第1题:

    Before welding can be done in a tank that has previously carried petroleum products,a certificate must be obtained from ________ .

    A.the customs

    B.the Register Bureau of shipping

    C.the shipyard fire department

    D.a certified gas chemist


    正确答案:D

  • 第2题:

    Directions:Suppose you borrow a book from your friend,but unfortunately it is lost.Write an email to apologize.You should write about 100 words on the ANSWER SHEET.Do not use your own name,Use"Li Ming"instead.Do not write your address.


    答案:
    解析:
    Dear Bob,
    This is Li Ming.I am writing to express my apology because I lost the book you lent mc last week.Last week,while I was reading in the library,I answered an emergency call and hurried to deal with an important matter.I was in such a hurry that I forgot to bring the book,and it had disappeared when I came back.It is my carelessness that resulted in such a situation.Therefore,I am willing to shoulder the responsibility.I decide to buy a new one as compensation,but I wonder whether it is acceptable to you.Please don't hesitate to tell me if you have better solutions,1 am willing to cooperate.I apologise again for the inconvenience I may bring.It would be highly appreciated should you take my letter into serious consideration.I am looking forward to your reply.
    Yours sincerely,
    Li Ming

  • 第3题:

    Anytime a host or a router has an IP datagram to send to another host or router, it has the( )address of the receiver. This address is obtained from the DNS if the sender is the host or it is found in a routing table if the sender is a router. But the IP data gram must be( ) in a frame to be able to pass through the physical network. This means that the sender needs the ( )address of the receiver. The host or the router sends an ARP query packet. The packet includes the physical and IP addresses of the sender and the IP address of the receiver. Because the sender does not know the physical address of the receiver, the query is( ) over the network.Every host or router on the network receives and processes the ARP query packet, but only the intended recipient recognizes its IP address and sends back an ARP response packet.The response packet contains the recipient's IP and physical addresses. The packet is(请作答此空) directly to the inquirer by using the physical address received in the query packet.

    A. multicast
    B. unicast
    C. broadcast
    D. multiple unicast

    答案:B
    解析:
    任何时候主机或路由器要发送 IP 数据报发送给另一主机或路由器时,都需要知道接收方的逻辑地址。发送主机从 DNS 获得该地址,发送路由器则在路由表中找到该地址。但 IP 数据报必须封装在帧中才能通过物理网络。这意味着发送者需要知道接收者的物理地址。主机或路由器需发送 ARP 查询报文,该报文分组包含发送者的物理地址和 IP 地址及接收者的 IP 地址。这是因为送者不知道接收者的物理地址,所以需在全网广播报文。网络上的每个主机或路由器都能接收并处理该 ARP 查询报文,但只有预期的接收者识别其 IP 地址并响应该 ARP 报文。响应报文包含接收者的 IP 地址和物理地址。包含了接收者物理地址的响应报文分组通过单播的方式直接发送给发送者。

  • 第4题:

    --May I know your address? --()

    • A、Sure. Here you are
    • B、I have no idea
    • C、It’s far from here

    正确答案:A

  • 第5题:

    All users within an office are wirelessly connected to a network, except one user that has a valid connection on a leased IP address in a different range. Which of the following is a possible cause of the user having a different IP address range?()

    • A、The wireless access point is using MAC address filtering
    • B、The user has connected to a nearby wireless access point from another office
    • C、The user has configured the wireless settings with the wrong encryption type
    • D、The wireless access point has SSID broadcast disabled

    正确答案:B

  • 第6题:

    Your company has four DNS servers that run Windows Server 2008. Each server has a static IP address. You need to prevent DHCP from assigning the addresses of the DNS servers to DHCP clients. What should you do? ()

    • A、 Create a new scope for the DNS servers.
    • B、 Create a reservation for the DHCP server
    • C、 Configure the 005 Name Servers scope option
    • D、 Configure an exclusion that contains the IP addresses of the four DNS servers

    正确答案:D

  • 第7题:

    Your network contains the servers configured as shown in the following table. Name Server role Private IP address Public IP address Server1Routing and Remote Access server192.168.1.1 131.107.0.1 Web1 Web server 192.168.1.2 ? Your company is assigned the public IP addresses from 131.107.0.1 to 131.107.0.31.You need to ensure that Web1 is accessible from the Internet by using https://131.107.0.2.What should you do from the Routing and Remote Access console?()

    • A、From the Static Routes node, configure a static route.
    • B、From the server properties, configure SSL Certificate Binding.
    • C、From the NAT interface, add an address pool and a reservation.
    • D、From the NAT interface, configure the Secure Web Server (HTTPS) service.

    正确答案:C

  • 第8题:

    单选题
    —Has your friend completed his design?—Not yet. He ______ on it last night.
    A

    worked

    B

    has worked

    C

    is working

    D

    was working


    正确答案: A
    解析:
    句意:——你的朋友完成了他的设计图了吗?——还没有。他昨晚还在做呢。本题考查动词时态。由题干中“last night”可知要用过去时态,故可先排除B、C项。又由not yet可知,这一动作还未完成,仍然在持续,故要用过去进行时,因此应选D项。

  • 第9题:

    单选题
    You need to produce a report for mailing labels for all customers. The mailing label must have only the customer name and address. The CUSTOMERS table has these columns: CUST_ID NUMBER(4) NOT NULL CUST_NAME VARCHAR2(100) NOT NULL CUST_ADDRESS VARCHAR2(150) CUST_PHONE VARCHAR2(20) Which SELECT statement accomplishes this task?()
    A

    SELECT* FROM customers;

    B

    SELECT name, address FROM customers;

    C

    SELECT id, name, address, phone FROM customers;

    D

    SELECT cust_name, cust_address FROM customers;

    E

    SELECT cust_id, cust_name, cust_address, cust_phone FROM customers;


    正确答案: C
    解析: 暂无解析

  • 第10题:

    单选题
    Vessels,()support vessels,should not enter the safety zone of a deepwater port unless clearance has been obtained from the Vessel Traffic Supervisor.
    A

    besides

    B

    excepted

    C

    otherwise

    D

    other than


    正确答案: D
    解析: 暂无解析

  • 第11题:

    问答题
    Practice 1Write a letter to a friend who has invited you to stay with them in their country.In your letter· thank your friend for their invitation· say when you are likely to visit· say what you would like to do during your visitWrite at least 150 words.You do NOT need to write any addresses. Begin your letter as follows:Dear...

    正确答案: 【参考范文】
    Dear Bella,
    Thank you so much for inviting me to come and stay with you at your home in Rome next year. I'd love to come.
    I've heard that summer is quite hot and humid there, and I'm not sure what your commitments at work are, so when do you think would be the most suitable time for me to visit? I am on holiday from university from December to February, so I am available to travel to visit you any time in these months.
    I'm so excited about seeing you again and catching up on all your news. I've never been to Rome but I know it is a very beautiful city with lots of interesting history. I would love to see the Coliseum and of course all the stunning churches and old buildings. I'm also very keen on Italian food and I love shopping, so I'm sure we're going to have a great time.
    Hoping to hear from you soon.
    Clara
    解析: 暂无解析

  • 第12题:

    问答题
    Directions:  Suppose you are Li Ming and your friend Li Hua has just won the first-class science award because of the work in the field of applied chemistry. Write a letter of congratulation to her, and the letter should include the following information:  (1)express your congratulations on the award-winning.  (2)express your opinion that she deserves the award.  (3)express your hope for greater success in her field.  You should write about 100 words. Do not sign your own name at the end of the letter. Use “Li Ming” instead. You do not need write the address.

    正确答案:
    Dear Miss. Li Hua,
    ①It is with the greatest pleasure that I offer you my sincerest congratulations on your winning the first class science award because of your creative work in the field of applied chemistry. ②I know that it followed many years of hard work and numerous experiments. ③I have heard of the excellent achievements you reached in studies. ④This shows that your outstanding scholarly attainments and whole-hearted devotion to sciencehave been given public recognition.
    ⑤As one of your friends, I am delighted that I will share your honor and achievements, and I am very proud of you. ⑥Best wishes for your greater success in all that you undertake.
    I’m looking forward to hearing from you soon.
    Sincerely yours,
    Li Ming
    解析:
    ①表明写信原因,表达自己的祝贺
    ②③肯定对方的努力
    ④高度评价对方取得的成绩
    ⑤⑥再次向对方祝贺
    ⑦写信结尾常用于

  • 第13题:

    Before welding can be done in a tank that has carried petroleum products,a certificate must be obtained from ______.

    A.the customs

    B.the Register Bureau of shipping

    C.the shipyard fire department

    D.a certified gas chemist


    正确答案:D

  • 第14题:

    Directlions:Suppose your best friend Tom is admitted by a postgraduate program.Write a letter to 1)express your congratulation,and 2)give him some suggestions based on your experience.You should write about 100 words on the ANSWER SHEET.Do not use your own name.Use"Li Ming"instead.Do not write your address.


    答案:
    解析:
    Dear Tom,
    Being delighted to learn ihat you got an offer from Beijing Normal University,I am writing to express my heartfelt congraiulation on your achievements.New life means new challenges and more opportunities to gain deep insights into yourself,therefore,I would like to share my experience.To begin with,you should take advantage of resources around you to foster your analytical skills and critical thinking abilities,which are vital to your growth and development.Additionally,it makes sense for you to engage in a variety of social practices,acquiring experience and interpersonal skills,wbich are beneficial to your future career development.Please accept my congratulation again.I expect you can find my suggestions useful and inspiring.
    Yours sincerely,
    Li Ming

  • 第15题:

    --May I know your address? --()

    ASure. Here you are

    BI have no idea

    CIt’s far from here


    A

  • 第16题:

    You are the network administrator of a medium-sized company, and users are complaining that they cannot send emails to some organizations. During your troubleshooting, you notice that your DNS MX record is blacklisted by several public blacklist filters. After clearing these listings for your IP address, and assuming that your email server has the right virus protection in place, what are two possible solutions to prevent this from happening in the future?()

    • A、Change your Internet provider.
    • B、Change your public IP address.
    • C、Allow the email server to send traffic only to TCP port 25.
    • D、Put your email server in a DMZ.
    • E、Use a separate public IP address for your email server only.

    正确答案:C,E

  • 第17题:

    Your network contains a domain controller that has two network connections named Internal and  Private. Internal has an IP address of 192.168.0.20. Private has an IP address of 10.10.10.5.     You need to prevent the domain controller from registering Host (A) records for the 10.10.10.5 IP  address.     What should you do()

    • A、Modify the netlogon.dns file on the domain controller.
    • B、Modify the Name Server settings of the DNS zone for the domain.
    • C、Modify the properties of the Private network connection on the domain controller.
    • D、Disable netmask ordering on the DNS server that hosts the DNS zone for the domain.

    正确答案:C

  • 第18题:

    Your network administrator has assigned you an IP address of 192.168.0.20 with subnet mask of 255.255.255.0.Your network is running in pure Windows 2000 domain. What else should know in order to join your computer to the Windows 2000 domain. ()

    • A、 Address of DHCP server.
    • B、 Address of WINS server.
    • C、 Address of DNS server.
    • D、 Address of default gateway

    正确答案:C

  • 第19题:

    单选题
    Your network administrator has assigned you an IP address of 192.168.0.20 with subnet mask of 255.255.255.0.Your network is running in pure Windows 2000 domain. What else should know in order to join your computer to the Windows 2000 domain. ()
    A

     Address of DHCP server.

    B

     Address of WINS server.

    C

     Address of DNS server.

    D

     Address of default gateway


    正确答案: D
    解析: Windows 2000 domain is host names based. DNS server is used to resolve the host names to the IP addresses or vice versa. Therefore, you should have the IP address of your network DNS server.
      
    DHCP server is used to provide the TCP/IP settings dynamically. DHCP server is broadcast based and no IP address of the DHCP server is configured at client side.  
    WINS server is used to resolve the NETBIOS names.  
    Default gateway is used to route the traffic to a remote network.

  • 第20题:

    单选题
    --May I know your address? --()
    A

    Sure. Here you are

    B

    I have no idea

    C

    It’s far from here


    正确答案: B
    解析: 暂无解析

  • 第21题:

    单选题
    Agreement to pay for the new bus service has been obtained from _____.
    A

    the school’s headmaster

    B

    the education department

    C

    the bus company

    D

    the parents


    正确答案: A
    解析:
    由第四段“…the cost of parents…”可知,为新巴士计划付费的是家长。

  • 第22题:

    问答题
    Practice 1  Suppose your friend David Johnson in Washington has just got a Ph.D. in law. Write a letter of congratulation to him. Also tell him you will attend a meeting in Washington next month. Ask him whether he has any time to show you around the city.  You should write approximately 100 words. Do not sign your own name at the end of the letter...Use “Wang Lin” instead. You don’t need to write the address.

    正确答案: 【范文】
    Dear David,
    Congratulations on getting a Ph.D. in law. I know you’ve worked so hard in the past three years to get the degree, but where there is a will there is a way; you finally got what you want. I really feel happy for you. I believe your parents must be very proud of you, me too.
    Do you still remember our talk before you started working on your Ph.D? You said you would be a great lawyer one day, and now you’re approaching the success. Keep working and your drearn will come true in the future. I believe it won’t take too long。
    By the way, I am going to Washington for a meeting next month. Can you show me around the city then?
    Congratulations again and please give my regards to your parents!
    Yours sincerely,
    Wang Lin
    解析: 暂无解析

  • 第23题:

    单选题
    You need to produce a report for mailing labels for all customers. The mailing label must have only the customer name and address. The CUSTOMERS table has these columns: Which SELECT statement accomplishes this task?()
    A

    SELECT*   FROM customers;

    B

    SELECT name, address   FROM customers;

    C

    SELECT id, name, address, phone   FROM customers;

    D

    SELECT cust_name, cust_address   FROM customers;

    E

    SELECT cust_id, cust_name, cust_address, cust_phone   FROM customers;


    正确答案: D
    解析: 暂无解析