未知题型 Please write a proposal to propose the topic you will be researching and writing about this semester. Your proposal should run 750-1000 words. Your proposal need to: 1) introduce the topic you will be writing about 2) explain why this topic is interesting and important 3) describe your personal experience related to this topic 4) develop and state research questions addressing what you would like to find out about this topic 5) state how you would like to find answers to your research questions.

单项选择题 软件项目建设阶段，包含了哪些步骤（）

单项选择题 （）主要分布在云、贵、川和广西壮族自治区西北部，该少数民族的节日有很多，如火把节、插花节等。