1. 是的，英语演讲比赛主持人的开场白和结束语需要用英语。
2. 这是因为英语演讲比赛是一个英语语言能力的考验，主持人的开场白和结束语是整个比赛的重要组成部分，需要用英语来表达。
3. 除了英语演讲比赛，英语的应用范围也非常广泛，掌握好英语能力可以帮助我们更好地与国际社会交流，提高我们的职业竞争力。
因此，学好英语是非常有必要的。
英语演讲比赛主持人的开场白和结束语，要英语的
开场白：
Ladies and gentlemen, esteemed guests, and respected judges, a very warm welcome to the English Speech Contest. I am honored to be your host for this prestigious event. Today, we gather here to witness the talented participants as they showcase their English speaking skills and share their inspiring ideas. Without further ado, let's embark on this exciting journey of eloquence and enlightenment.
结束语：
And that brings us to the end of an incredible English Speech Contest. We have been truly captivated by the remarkable presentations and the profound thoughts shared by our talented contestants. Their dedication, hard work, and passion for the English language are truly commendable. Let us applaud their efforts once again.
I would like to extend my heartfelt gratitude to all the participants, judges, and organizers for making this event a grand success. Your unwavering support and enthusiasm have contributed immensely to its triumph.
Remember, the power of words and effective communication knows no bounds. We hope that this contest has encouraged everyone present today to continue improving their English skills and to fearlessly express their thoughts with confidence.
Thank you for being a part of this momentous occasion. Until we meet again, may you continue to pursue excellence and let your voice be heard. Thank you and good evening!