这题我会，thanks to的意思是“多亏了……”;“由于……的帮助”，thanks for的意思是“为……谢”强调谢的原因。下面具体看一下两者的区别。
【词汇翻译】
thanks to
英 [θæŋks tu] 美 [θæŋks tu]
幸亏;归因于
thanks for
英 [θæŋks fɔː(r)] 美 [θæŋks fɔːr]
为……而感谢;为…感谢;因……而感谢
【词汇辨析】
1．thanks to：意为“多亏；由于”，侧重强调感谢的对象，后接名词、代词和名词性短语。
例句1：Thanks to my teacher, I made rapid progress.
多亏了我的老师，我取得了快速的进步。
例句2：Everyone knows about it now, thanks to you!
多亏了你，现在大家都知道了！
例句3：Thanks to these and other factors, developing teams must become more efficient.
由于这些和其他因素，开发团队必须更加有效率。
2. thanks for：意为“因……而感谢”，侧重强调感谢的原因。For 后接名词、代词或动名词。
例句4：Thanks for your delicious food.
谢谢你的美食。
例句5：Thanks for telling me the truth.
谢谢你告诉我真相。
例句6：Thanks for the compliment, sir, but I still have a lot to learn.
谢谢您的夸奖，先生，但我还有很多要学习的东西。
【用法】
thanks to
1.Everyone knows about it now, thanks to you!
多亏了你，现在大家都知道了！
2.We managed to get it finished in the end ─ no thanks to him.
我们终于把这件事完成了，但这没有他的什么功劳。
3.How can I ever express my thanks to you for all you've done?
对你所做的一切，我怎么才能表达谢意？
4.Thanks to the automobile, Americans soon had a freedom of movement previously unknown.
由于有了汽车，美国人很快就获得了前所未有的行动自由。
5.She preceded her speech with a vote of thanks to the committee.
她讲话的开头是对委员会的鸣谢。
thanks for
1.Linger for a few quiet minutes inside Thian Hock Keng, a carefully restored 19th-century temple built by Hokkien immigrants to give thanks for a safe passage across the sea.
在天福宫内享受几分钟的清净，这是一座经过精心修复的19世纪寺庙，是福建移民为感谢上天让他们安全穿越大海而建造的。
2.Thanks for the present ─ it's just what I wanted.
感谢赠我这份礼物，这正是我想要的。
3.Many thanks for your support.
多谢您的支持。
4.Thanks for showing us your products ─ we'll be in touch.
谢谢给我们介绍你们的产品，我们将会保持联系。
5.Thanks for sticking up for me ─ I owe you one.
谢谢你支持我——我欠你一个情。