（六）居民委员会协助政府开展工作的情况；
- 子节点i的父节点: (i-1)/2
，这一点在搜狗输入法下载中也有详细论述
Marriage was banned at Annapolis and girlfriends discouraged. The navy did not want its midshipmen wasting their time on such frivolities.
"I'd rather take a hard, clear action now and build from a position we believe in than manage a slow reduction of people toward the same outcome," he wrote.
Ergonomic keyboards come in mechanical, membrane, and scissor switch versions. Which works best for you is, again, up to your preference. I won’t get too deep into the particulars here, as we have an entire guide devoted to the best mechanical boards, but the short of it is that membrane and scissor switches are less customizable than mechanical and typically cheaper. Typing on them tends to be quieter and softer. Mechanical switches are more customizable, offer a more responsive typing experience and are usually pricier.