单项选择题

Nowadays, incoming generations really rely now on the power of the "Internet" when it comes to searching for information. Just type the word or phrase you’re looking 62 and click, there goes your answer. So why 63 wasting time turning the pages of encyclopedias if in just a snap of a finger you have what you needed People underestimate the power of encyclopedias. Well, technically, all of them are 64 sources which means, they are like the walls that can fully support your data. They are first hand accounts done by professionals and 65 .
On the other hand, Internet information I’m not saying all of them, are 66 secondary, or third hand sources 67 basically means that they have been edited or 68 .They maybe data collected from several sources and were put together. However, the problem here is the errors which the writer or the author 69 . He/she may have different under standing on the data than you, 70 you have actually seen the data. So it is like you’re just a kid listening to other’s story instead of you telling your own. 71 from that, you’re not 100% sure that the author is 72 . He/she maybe just a kid posting and posting wrong ideas for 73 .
What I would like to 74 here is that manual research is still stronger than any other. There is freedom in it, freedom to give your 75 , under standing, insights towards these first-based ideas. You also type your work 76 gathering the data so you become more 77 with it because writing is the last stage of learning since you make an output out of your 78 . Unlike the one in the Internet, some people also tend to "copy-paste" their works 79 ever reading them. So they don’t absorb 80 must be absorbed. As they say, "No Pain, No Gain", so working hard with your research will surely be a 81 and a strong one.

A.without
B.as
C.but
D.or