某班同学进行研究性学习,撰写论文主要的参考文献有:《保护和发展少数民族特色村寨的思考》、《民族地区文化产业的科技创新提升路径研究》、《西部少数民族地区农村老人生活及养老状况的调查分析》。据此推断,该班同学的研究主题最可能是
—Will you read me a story, Mummy? —OK. You ________ have one if you go to bed as soon as possible.
If you take __________risk of not wearing a seat belt, you will be at __________risk.
--It’s so nice to finally have a warm, sunny day. -- Oh, ________.
I can not think where I’ve left my umbrella; my mind’s completely ________!
Regardless of ________ the obstacles in this life may be, I will run my race to the best of my ability.