第一节(共15小题;每小题2.5分,满分37.5分)阅读下列短文,从每题所给的A、B、C、D四个选项中选出最佳选项。A Teenagers love to socialize,and these websites give them a chance to do that while playing games,and exploring virtual(虚拟的)worlds.Instagram Instagram allows teens to upload photos of their daily life and share them with friends.
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