大学英语六级秋季全程班
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课程特色：120小时干货精讲 包邮3斤礼盒 课后巩固练习 智能语音听力练习 知识堂答疑 在线阶段测评 学习群服务 作文批改 离线看
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课程与PC端同步更新，充分利用零碎时间。做题
海量精选试题，想练就练，瞬间提分。答疑
网校名师24小时在线答疑解惑直播
名师大咖面对面，有问有大收获多。Questions 61 to 65 are based on the following passage.
There is plenty of complaints about how social media--texting in particular--may beharming children's social and intellectual development. But a new study suggests thatconstant instant messaging (IM'ing)and texting among teens may also provide benefits,particularly for those who are introverted( 内向的).
British researchers studied instant messages exchanged by 231 teens, aged 14 to 18. All ofthe participants were "regular" or "extensive" IM'ers. In the U. S., two thirds of teens useinstant messaging services regularly, with a full third messaging at least once every day.
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