The change in reading scenes has triggered a major change in the field of knowledge: traditional knowledge carriers, pushpins on books have been pried open by the network, and knowledge information has floated into a fragmented existence. The network has amplified these pieces of information, which in turn Changed people's reading mentality. In other words, in the face of massive amounts of information, people's information anxiety is also more serious, time is not enough, and attention is not enough, the information read is like sand in the hand, and I ca nt remember it. The lack of binding tools and binding methods for mass information is the root of what many people call a "reading crisis. ". Regarding this text, what is the following understanding? ['The "reading crisis" is caused by massive information.', "The reader's reading mentality changes as the reading scene changes.", "Traditional reading attracts readers' attention more than online reading.", 'The new binding method can solve "reading crisis".']