How to Be Popular

    Most people would like to be popular with others, ____not everyone can achieve this goal. What is the secret to____ (popular)? In fact, it is very simple. The first step is to improve our appearance. We should always make ____  that we stay in good shape and dress well. When we are healthy and well-groomed, we will not only look better but also feel ____ (good). In addition, we should smile and appear friendly. After all, our facial expression is an important part of our appearance.____ we can do this, people will be attracted to our good looks and impressed by our confidence. 

    Another important step is developing more consideration(考虑) for others. We should always place____ (other) interests before our own. It's also important to be good ____(listen). In this way people will feel comfortable enough to confide in us. However, no matter ____ we do, we must not gossip. Above all, we must remember to be  ____（we）, not dishonest(不诚实). Only by being sincere and respectful（尊重人的） can we earn their respect. If we can do all of the above, I am sure popularity will be ____ (achieve).

请你阅读材料，按要求完成以下题目。

①“腹有诗书气自华”，用来形容《中国诗词大会》的参赛选手再合适不过。②观众既为武亦姝、陈更、彭敏等选手的才华所折服，也为白茹云等普通参赛者的励志故事所感动。③古诗词即使“曲高”，也“和者众”，50、60后到00后，都有着咿呀学诗的共同经历和共同记忆。④正是这共同的文化记忆，构成了文化传承的大众基础，所以这个节目能够靠着“熟悉的陌生题”，大面积、大范围地唤起观众的参与感。⑤尤其是在春节这个全家人围炉夜话、共享团圆的节日里，跟随节目一起回味那些年背过的唐诗宋词，让团聚别增了思接千载的文化韵味。

“蛟龙号”是我国首台自主研制的作业型深海载人潜水器，如图所示，它是目前世界上下游能力最强的潜水器．假设某次海事活动中，“蛟龙号”完成海底任务后竖直上浮，从上浮速度为v时开始计时，此后“蛟龙号”匀减速上浮，经过时间t上浮到海面，速度恰好减为零，则”蛟龙号”在t₀（t₀＜t）时刻距离海平面的深度为（   ）