18. 다음 글에서 밑줄 친 this(This)가 가리키는 것은? [1점]
Many people find that the Internet is one of the best ways to find out information. Unfortunately, searching the Internet for specific information can be difficult, because there are so many web sites that you might have to search through. In this situation, this may be a handy tool. Simply type in the text box on the screen, and let this do the work for you. This also represents information in organized categories, such as science and sports, to make searching for information even easier. Just click on the category link and pick one of the sites.
① e-mail ② web game ③ virtual reality
④ search engine ⑤ computer graphic |