Charlie Chaplin was considered to be one of the most popular ____ (star) in the early days of films. He brightened the lives of people throughout the world ____(use) his perfect acting. Charlie was born in a poor family and lived ____ hard life in his childhood. His parents were both poor hall performers,____ didn't make much money. Therefore, at a very young age, Charlie had to learn ____ (sing) and dance. By his teens, his subtle acting had become so entertaining ____ no one in England was ever bored watching him mime and act the fool doing ordinary everyday tasks. In 1972, he won a special Oscar ____his outstanding work in the films that he wrote, directed, produced, and starred in. He made people laugh even when they felt depressed. And no one has done ____ (well) than him up to now.

    Charlie lived in England and the USA but ____(spend) his last years in Switzerland, where he died of ____ (nature) causes on December 25, 1977.

在下面一段文字横线处补写恰当的语句，使整段文字语意完整连贯，内容贴切，逻辑严密，每处不超过18个字。

    互联网是一把双刃剑，用得好，它是阿里巴巴的宝库，里面有取之不尽的宝物；用不好，它是潘多拉的魔盒，____。正因如此，我们既要享用互联网，____。网络安全与规范文明的网络环境，则是网友必须遵守的底线。当然，任何文明规范的治理，____。只有当法律不断完善，依法治网有了更科学的依据，网民利益才能更有保障，互联网产业才能健康发展。