根据以下材料回答第 51~55 题:
Passage FiveOnline distance learning (网上远程教育) is an instructional system which connects learners with educational resources. Students work on their own at home, at work, or at school and communicate with faculty and other students by means of e-mail, electronic meetings, videoconferencing, chat rooms, instant messaging and other forms of computer-based communication. There are both advantages and disadvantages to online distance learning.
There are many benefits to using online distance learning environments. Online education is available all the time, anywhere and to all people. However, there are weaknesses for some learners. The online learner only has the written text and no other face-to-face hints. This may confuse the learner and cause misunderstanding. While distance learning allows for an openness, it is also difficult because it is done by e-mail messages and writing, and therefore may take more time than face-to-face learning. Sometimes the messages can be overwhelming for many online students.
Universities, colleges and schools use online distance learning environments. These are important for students who may be unable to attend classes for various reasons like illnesses or busy everyday schedules. Some learners just want to further their studies at home. They enjoy the convenience of home learning as they take regular programs or enrichment classes.
Online courses keep learners very occupied at all hours of the day .There are a great many nessages and other online resources to read and respond to . Most learners have regular jobs or attend regular school classes on ground as well . However, the benefits are clear. Online distance learning is becoming very popular. Some online classes have become a profitable business as they replace regular traditional means of learning.
第 51 题 Which of the following is TRUE of the passage about online distance learning?
A.It has more disadvantages than advantages.
B.It is a learning form. based on internet.
C.It is not available for some students.
D.It has only enrichment classes.
A.普通专线(网吧或单位办理)
B.VPN专线(福彩或酒店办理)
C.党员远程教育专线(社区或居委会办理)
D.全球眼专线(交警或公安办理)
E.数字电路(端对端的远距离数据出传输)
A.《教育网站管理办法》
B.《教育网站和网校管理办法》
C.《教育网站和网校暂行管理办法》
D.《教育远程教育网站暂行管理办法》