A.？ You can learn from other people's works

B.？ Create your own database

C.？ Acquire theoretical knowledge

D.？ Get submission information

1 and online library have the advantages of convenience, quickness, large amount of information and wide coverage. Convenient, you can search for content and change font size and font shape.

With large capacity, it can be downloaded from the internet at any time, without geographical restrictions, saving the pain of traveling by boat; Reduce the cost of books, and the price is cheap; Exquisite design, flexibility and diversity, with multimedia functions; Save the space needed for storing books.

2. Network library can save resources and reduce environmental damage. E-books are published without paper. We read them through the network, which reduces the resource loss caused by papermaking and printing, and saves natural resources and social resources, thus contributing to environmental protection and resource conservation.

Information density and storage capacity are large, and it is not easy to be out of print and destroyed. E-books are easy to maintain and save, and can be easily transmitted through the network, and will not be out of print and destroyed like paper books.

3. Advantages of the network library: the electronic library is rich in resources, dense in literature information and small in size. The use of electronic library is not limited by time and space; Electronic library has fast information transmission speed and good resource enjoyment; High resource utilization rate.