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下列事件中，属于必然事件的是(     )

阅读下列文言文，完成下面题目。
                                                                                                                    邹忌讽齐王纳谏
         邹忌修八尺有余，形貌昳丽。朝服衣冠，窥镜，谓其妻曰：“我孰与城北徐公美？”其妻曰：“君美甚，徐公何能及公也！”城北徐公，齐国之美丽者也。忌不自信，而复问其妾曰：“吾孰与徐公美？”妾曰：“徐公何能及君也！”旦日，客从外来，与坐谈，问之客曰：“吾与徐公孰美？”客曰：“徐公不若君之美也！”明日，徐公来。孰视之，自以为不如；窥镜而自视，又弗如远甚。暮寝而思之曰：“吾妻之美我者，私我也；妾之美我者，畏我也；客之美我者，欲有求于我也。”
        于是入朝见威王曰：“臣诚知不如徐公美，臣之妻私臣，臣之妾畏臣，臣之客欲有求于臣，皆以美于徐公。今齐地方千里，百二十城，宫妇左右，莫不私王；朝廷之臣，莫不畏王；四境之内，莫不有求于王。由此观之，王之蔽甚矣。”
         王曰：“善。”乃下令：“群臣吏民能面刺寡人之过者，受上赏；上书谏寡人者，受中赏；能谤议于市朝，闻寡人之耳者，受下赏。” 令初下，群臣进谏，门庭若市。数月之后，时时而间进。期年之后，虽欲言，无可进者。燕、赵、韩、魏闻之，皆朝于齐。此所谓战胜于朝廷。

    High-speed railways, electronic payments, shared bicycles and online shopping are China's four new ways of life. They are most appealing to youths from 20 countries participating____the Belt and Road Initiative. The new four great inventions are all related to China's gigh0tech innovation,____has improved the quality of people's lives, “my wallet is no longer in use. I can buy and eat whatever I want____(simple) with a tap of my phone,” said Lin Jinlong, an overseas Chinese student from Cambodia,____ (add) that even pancake sellers are using Alipay (mobile payment).

    In____word, China is leading in many ways. Bike sharing, for example, is not new itself. But China has made it much more convenient and____(enjoy) both in China and overseas. Leading Chinese bike-sharing____(company), Mobike and Ofo are now operating in foreign countries such as Singapore and Britain. Users in the countries____(feel) excited and posted photos of ____(they) riding the Chinese bikes on social media. A growing number of foreigners hope ____(promote) economic development in their home countries by paying more attention to the achievement of China.

                                                                                                      出师表
         臣本布衣，躬耕于南阳，苟全性命于乱世，不求闻达于诸侯。先帝不以臣卑鄙，猥自枉屈，三顾臣于草庐之中，咨臣以当世之事，由是感激，遂许先帝以驱驰。后值倾覆，受任于败军之际，奉命于危难之间，尔来二十有一年矣。
        先帝知臣谨慎，故临崩寄臣以大事也。受命以来，夙夜忧叹，恐托付不效，以伤先帝之明，故五月渡泸，深入不毛。今南方已定，兵甲已足，当奖率三军， 北定中原，庶竭驽钝，攘除奸凶，兴复汉室，还于旧都。此臣所以报先帝而忠陛下之职分也。至于斟酌损益，进尽忠言，则攸之、祎、允之任也。