WINS、DNS、HOST表、LMHOST表之间关系正确的是（）。

A:HOST表和LMHOST表只在客户机上 B:WINS和DNS只在服务器上 C:HOST表和LMHOST表较WINS和DNS解析速度慢 D:WINS和DNS解析较HOST表和LMHOST表速度快

On arrival at your new home:
·Try to remember the names of your host family. If unsure about how to address them, it is okay to ask how they would like to be called. For example, if it is impolite in your country to call someone elder by their first name. ask if it’s okay to add Mr. or Mrs. In front of their names. Some Americans do not like to be addressed this way because it makes them feel old.
·Show your family that you are grateful for being your host. But do not give expensive gifts. It is, however, considered appropriate to bring inexpensive handcrafts from your country or a small gift for the children of the host family.
·Your host family will be curious to know more about you. Bring photos of your family and friends to share with them. This is also a great way to break the ice with them.
·After you get settled, your host family will help you make a call to your parents to assure them that you have arrived safely.
·After you’ve had dinner, you may ask the host family to be excused early. They will be fully aware of the fact that you might be jetlagged, so feel free to ask them.
On your first day of school:
·On your first day of school, your host family will take you to school and help you with the necessary registration paperwork.
·Your host family will also make sure that you know your way to and from school. They will also teach you how to use public transportation.
·When traveling alone, you should al all times carry a map and the phone number of your host family.
·In case you are lost and cannot get in touch with your host family, you can contact the "Homestay Network".

A:Find out how you should address the host family B:Always be prepared for the unexpected C:Be prompt during meal times D:Establish a rapport with the host family

Every host and router on the Internet has an IP address，which encodes its （）

A:host number B:host number and socket C:network number D:host number and network number

Every host and router on the Internet has an IP address, which encodes its (72) .

A:host number B:network number C:host number and socket D:host number and network number

Every host and router on the Internet has an IP address, which encodes its (12) .

A:host number B:network number C:host number and socket D:host number and network number

One of the functions of the （） is to store the applications programs or the various secondaries. The （） may have similar or dissimilar functions. The same control code received from two different, secondaries may warrant two different actions on the part of the host computer. If the system so requires, the host computer must also provide （） for the centralized data and the software for database management. Data information is normally stored in auxiliary memories to which the computer has ready access. The （） peripherals connected to the host computer allow for human entry and intervention. As needs change, application programs may require additions, deletions, or changes. Data link problems also arise which are （） the range of the computer’s programmed capabilities. In such cases, human entry is required to make the necessary changes to resolve the existing problems.

A:set B:host C:secondaries D:record

Every host and router on the Intemet has an IP address, which encodes its

A:host number B:host number and socket C:network number D:host number and network number

Every host and router on the Internet has an IP address, which encodes its

A:host number B:host number and socket C:network number D:host number and network number