Official 06 Task 1

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Communal online encyclopedias represent one of the latest resources to be found on the Internet. They are in many respects like traditional printed encyclopedias collections of articles on various subjects. What is specific to these online encyclopedias, however, is that any Internet user can contribute a new article or make an editorial change in an existing one. As a result, the encyclopedia is authored by the whole community of Internet users. The idea might sound attractive, but the communal online encyclopedias have several important problems that make them much less valuable than traditional, printed encyclopedias.
First, contributors to a communal online encyclopedia often lack academic credentials, thereby making their contributions partially informed at best and downright inaccurate in many cases. Traditional encyclopedias are written by trained experts who adhere to standards of academic rigor that nonspecialists cannot really achieve.
Second, even if the original entry in the online encyclopedia is correct, the communal nature of these online encyclopedias gives unscrupulous users and vandals or hackers the opportunity to fabricate, delete, and corrupt information in the encyclopedia. Once changes have been made to the original text, an unsuspecting user cannot tell the entry has been tampered with. None of this is possible with a traditional encyclopedia.
Third, the communal encyclopedias focus too frequently, and in too great a depth, on trivial and popular topics, which creates a false impression of what is important and what is not. A child doing research for a school project may discover that a major historical event receives as much attention in anonline encyclopedia as, say, a single long-running television program. The traditional encyclopedia provides a considered view of what topics to include or exclude and contains a sense of proportion that online "democratic" communal encyclopedias do not.

Pause

You may now pause this test and resume work at any later time; however the score you obtain may not be an accurate indication of a score you would earn in a timed test.

You may visit http://toefl.kmf.com/(我的托福) to resume the test. When you resume the test, you will return the question from which you left. Are you sure you wish to pause the test?

Click Return to continue working. Click on Continue to pause and exit the test.

Section Exit

Once you leave this section and proceed to the next,you WILL NOT be able to return it. ARE YOU SURE you wish to exit this section?

Click Return to continue working. Click on Continue if you are sure you want to exit this section and proceed to the next.