题目内容
（请给出正确答案）
A．connect
B．connecting
C．connection
D．connective
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更多“A small network may only connect two computers inside a home to share a single printer and”相关的问题
(74) A．connect
B．connecting
C．connection
D．connective
A．connect
B．connecting
C．connection
D．connective
A. BSC B. BTS C. MSC D. VLR A. BSC B. BTS C. MSC D. HLR A. Land lines B. Microwave links C. Microwave dish antenna D. Land lines or microwave links
With the implementation of(66), the so - called network has become a reality. The provision of such facilities is the most important part of the network requirements. However, in many applications the communicating computers may be of different types. This means that they may use different programming languages and, more importantly, different forms of(67)interface between user(application) program, normally referred to, as application processes, and the underlying communication services may be(68). For example, one computer may be a small single - user computer, while another may be a large(69)system. In the earlier days of computer communication, these issues meant that only closed communities of computers (that is, from the same manufacturer) could communicate with each other in a meaningful way. IBM's Systems Network Architecture (SNA) and DEC's Digital Network Architecture (DNA) are just two examples of communication software packages produced by manufacturers to allow their systems to be interconnected together. These proprietary packages, however, of which there am still many inexistence, do not address the problem of universal interconnect ability, or open systems interconnection. In an attempt to alleviate this problem,(70), in the late 1970s, formulated a reference model to provide a common basis (or the coordination of standards developments and to allow existing and evolving standards activities to be placed into perspective with one another.
A．communication channel
B．protocols
C．data channel
D．public communication
Highways in the US
The United States is well-known for its network of major highways designed to help a driver get from one place to another in the shortest possible time.(51)these wide modern roads are generally smooth and well maintained, with(52)sharp curves and many straight sections, a direct route is not always the most(53)one. Large highways often pass(54) scenic areas and interesting small towns. Furthermore, these highways generally(55)large urban centers which means that they become crowded with(56)traffic during rush hours, when the "fast, direct" way becomes a very slow route. However, there is(57)always another route to take if you are not in a hurry. Not far from the(58)new "superhighways", there are often older,(59)heavily traveled roads which go though the countryside.(60) of these are good two lane roads; others are uneven roads(61)through the country. These secondary routes may go up steep slopes along hilly(62)or down frightening hillsides to towns(63)in deep valleys. Though these are less direct routes, longer and slower, they generally go to places(64)the air is clean and the scenery is beautiful, and the driver may have a chance to get a fresh, clean(65)of the world.
A．Although
B．Since
C．Because
D．Therefore
Highways in the US
The United States is well-known for its network of major highways designed to help a driver get from one place to another in the shortest possible time.【51】these wide modern roads are generally smooth and well maintained, with【52】sharp curves and many straight sections, a direct route is not always the most【53】one. Large highways often pass【54】 scenic areas and interesting small towns. Furthermore, these highways generally【55】large urban centers which means that they become crowded with【56】traffic during rush hours, when the "fast, direct" way becomes a very slow route. However, there is【57】always another route to take if you are not in a hurry. Not far from the【58】new "superhighways", there are often older,【59】heavily traveled roads which go though the countryside.【60】 of these are good two lane roads; others are uneven roads【61】through the country. These secondary routes may go up step slopes along hilly【62】or down frightening hillsides to towns【63】in deep valleys. Though these are less direct routes, longer and slower, they generally go to places【64】the air is clean and the scenery is beautiful, and the driver may have a chance to get a fresh, clean【65】of the world.
(51)
A．Although
B．Since
C．Because
D．Therefore
However, there is almost always another route to take【56】you are not in a hurry. Not far from the【57】new "super highways", there are often older, less heavily traveled roads which go through the countryside. 【58】of these are good two-lane roads; others are uneven roads curling through the country. These secondary routes may go up steep slopes, along high cliffs, or down frightening hillsides to towns【59】in deep valleys. Through these less direct routes, longer and slower, they generally go to place where the air is clean and the scenery is beautiful, and the driver may have a【60】to get a fresh, clean view of the world.
(51)
A．Although
B．Since
C．Because
D．Therefore
However, there is【C10】______ always another route to take【C11】______ you are not in a hurry. Not far from the 【C12】______ new "suqerhighways', there are often older, 【C13】______ heavily traveled roads which go through the countryside.【C14】______ of these are good two-lane roads; others are uneven roads【C15】______ through the country. These secondary routes may go up steep slopes, along high【C16】______ , or down frightening hillsides to towns【C17】______ in deep valleys, Through these less direct routes, longer and slower, they generally go to places【C18】______ the air is clean and the scenery is beautiful, and the driver may have a 【C19】______ to get a fresh, clean【C20】______ of the world.
【C1】
A．Although
B．Since
C．Because
D．Therefore
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