A 14-year-old Chinese boy SunYixiao was____his way home last Tuesday evening after school. When he was in the lift, it suddenly stopped. Feeling scared at first, the teenager decided to help____out. Sun tried to open the lift door, but he gave up the idea later and leaned against the wall, because he thought the____ may fall down suddenly. He then pressed all the buttons in the hope of getting the lift work again,____it didn't work. Sun then pressed the “stop” button to lock the lift to ____sure it would not fall. Without a cellphone at hand, Sun tried shouting____to get the attention of people outside, but no one answered as time went by. The young boy didn't give up____.He sent a note through the door with the message and hoped someone would____it up and help him out. After doing all these, the boy knew it might take a____time before someone found him. So he decided to do his homework. Soon after he finished his homework, he was saved at last.

    On Weibo, many netizens (网民) spoke highly of the boy， because he could keep calm in the face of such____dangerous situation. We should learn from him.

下列各句中，没有语病的一项是      (　　)

如图四幅图对应的应用解释正确的是（　　）

读材料，回答下列问题。

    2013年9月和10月，***主席在访问哈萨克斯坦和印尼时，公开提出建设“丝绸之路经济带”、“21世纪海上丝绸之路”的“一带一路”国家战略。2015年3月28日，国家发展改革委、外交部、商务部联合发布了《推动共建丝绸之路经济带和21世纪海上丝绸之路的愿景与行动》。

    发挥海外侨胞以及香港、澳门特别行政区独特优势作用，积极参与和助力“一带一路”建设。——《推动共建丝绸之路经济带和21世纪海上丝绸之路的愿景与行动》

    推进浙江海洋经济发展示范区、福建海峡蓝色经济试验区和舟山群岛新区建设，加大海南国际旅游岛开发开放力度。加强上海、天津、宁波－舟山、广州、深圳、湛江、汕头、青岛、烟台、大连、福州、厦门、泉州、海口、三亚等沿海城市港口建设。——《推动共建丝绸之路经济带和21世纪海上丝绸之路的愿景与行动》

    “一带一路”建设是一项系统工程，要坚持共商、共建、共享原则，积极推进沿线国家发展战略的相互对接，让古丝绸之路焕发新的生机活力，以新的形式使亚欧非各国联系更加紧密，互利合作迈向新的历史高度。——《推动共建丝绸之路经济带和21世纪海上丝绸之路的愿景与行动》