研究表明，玩视频游戏和观看暴力内容电视有同样的效果。孩子们(会)模仿视频游戏中的打斗动作，就像他们模仿暴力电视一样。

Sentence No. 1 Sydney is an important commercial, industrial and tourist centre on the south-east coast of Australia. It is Australia’s largest city with a population of more than three million.

Sentence No. 4 Researches suggest that playing video games has similar effects to observing violent television content. Children imitate the aggressive actions from a video game interaction just as they imitate violent television content.