A: Hello, I'm Barry Lai, a reporter with TV News. Would you mind ____a few questions about the events of this afternoon?

B: Not at all

A: All right then. ____were you when the birds landed?

B: I was shopping in Central.

A: How many birds do you think there were?

B: I'd say there were about 1,000 birds in all.

A: Can you tell me what ____looked like?

B: They were small brown and green birds.

A: And what did they do, exactly?

B: Well, they ____and landed in Statue Square. They stayed there for about 15 minutes before flying off again.

A: How did people react?

B: Oh, everyone was amazed. Traffic stopped ____and the police had to be called.

A: OK. Thanks very much for talking to me.

用一条绝缘轻绳悬挂一个带电小球，小球质量为1.0×10^﹣2kg，所带电荷量为+2.0×10^﹣8C，现加一水平向右的匀强电场，平衡时绝缘绳与铅垂线成30°夹角，求这个匀强电场的电场强度．

新闻概括（用一句话概括下面一则新闻的主要内容，不超过30个字）

（光明网重庆6月16日电）6月16日下午，全媒体大型人物故事寻访“逐梦他乡重庆人”刊播启动仪式在融创国博城举办，6月18日、直辖十八年之际将正式刊播。“逐梦他乡重庆人”是由中共重庆市委宣传部、市政府新闻办、市经贸委、市政府外事侨务办共同主办，重庆日报报业集团、重庆广电集团（总台）担纲开展的大型人物故事寻访，是重庆人在异地他乡追梦、筑梦、圆梦的生动实践，展示了重庆人自强不息、敢为人先的性格特质。

“这一事件本身并没有什么实际作用，不过，它摧毁了平民心目中压迫的象征，掀开了轰轰烈烈的法国大革命的序幕。”材料中的“这一事件”是指（    ）