英语新闻演讲的开头和结束语通常如下：

开头

问候语：Hello everyone, I am today's news announcer xxx.

自我介绍：Today is xxxx x x x, and the news that I bring today is 《xxxx》.

结束语

感谢语：Thank you for your listening.

再次感谢：Thank you very much again.

结束声明：This is the end of my speech, thank you.

这些开头和结束语可以帮助演讲者有效地引导听众进入新闻主题，并在结束时表达感谢，给听众留下良好的印象。