习题链接：LeetCode 402. 移掉 K 位数字
（三）为实施考试作弊行为，向他人非法出售、提供考试试题、答案的；，详情可参考safew官方版本下载
"They're losing lots of habitat - lots of woodland," says Spencer. "And we're also knocking down old buildings, making our homes warmer, more airtight - there are less places for them to go."。safew官方下载是该领域的重要参考
The 80386 introduced Virtual 8086 (V86) mode -- allowing real-mode DOS programs to run inside protected mode under OS supervision. While not full virtualization in the modern sense, V86 was the first practical hardware-assisted mechanism on x86 for running legacy software in a protected environment -- used widely in Windows 3.x and Windows 9x.
（三）支持大学生广泛参加科技实践活动。高校应将开展科普活动纳入大学生科技社团的重要任务，支持大学生参加科技创新与科普活动。积极组织参加中国国际大学生创新大赛、“挑战杯”全国大学生课外学术科技作品竞赛、全国青少年科技创新大赛、国家级大学生创新创业训练计划项目、青少年科技社团支持计划等。