1. From this passage, we learn that an ebook 回答 . A．can be found in any library B．can be read directly from the Internet C．can be read when special software is installed

1. From this passage, we learn that an ebook 回答

.

A．can be found in any library

B．can be read directly from the Internet

C．can be read when special software is installed

出自：国家开放大学理工英语1

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