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Passage fiveSocial communication has a huge 1on our happiness and quality of life. Communication with friends will 2 stress, provide comfort and joy, prevent loneliness and isolation, and even strengthen our health. Studies show that a lack of social connection can be as 3 as smoking, drinking too much, and it will lead to a sedentary (久坐的) lifestyle. Today, technology has 4 the definition of communication. With the 5 of a button, we can add a friend or make a new connection. But having hundreds of online friends is not the same as having a close friend you can turn to or be with in person. Technology can 6 social opportunities by helping you reconnect with old friends, start new relationships with people around the world who 7 similar interests, and 8 relationships with friends who don’t live nearby. However, online friends can’t hug you when a crisis hits, visit you when you’re sick, or 9 a happy occasion with you after work. Our most important and powerful connections happen when we’re face-to-face. So make it a 10 to stay in touch in the real world, not just online. You’ll get a lot more out of an in person conversation than you will over text or social media comments

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A.relaxing B. inspired C.figure D.incredible E.talentF.passions G.depressed H.naturally I.set J.inevitableK.influenceL.turn M.headlines N.found O.differencePassage sixIt was a gorgeous day and the beach was filled with people. What I witnessed there 1)___ me a lot.As I was 2)___ in the sun, a thin, shirtless man in skinny Jeans and sunglasses walked onto the beach and set down his things not too far from me. I didn’t think anything of it until a few minutes later he pulled out a shiny guitar and began to play the most 3)___ rock and roll I’d ever heard.I couldn't help trying to 4) ___ out who this guy was. This guitarist had the look of a true rock star and certainly had the talent of one, so I 5)___ thought he was somebody famous. But it turned out that he was just an ordinary local guy who loved to play the guitar and share his music with people. I was blown away that a guy with that much 6)___ wasn’t a famous musician, but then I quickly realized he didn’t need to be.Actually, you don’t have to be famous to be a rock star, do the things you love, and make a 7)___ in this world. Forget about getting on the cover of People magazine or in today’s 8)___. The guitarist on the beach beamed with happiness because he was enjoying something he loved to do and was sharing his music with us. Focus on following your 9)___ in life, planning for your future, and helping other people. Once you 10)___ your focus on your destination, everything will fall into place.

传输层协议提供了在()之间的一个逻辑通信。

A. 应用程序进程
B. 主机
C. 路由器
D. 端系统

传输层协议运行在()上。

A. 服务器
B. 客户机
C. 路由器
D. 端系统

在传输层,发送端应用程序将消息分解成()传输给网络层。

A. 帧
B. 数据段
C. 数据报
D. 比特流

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