如图所示为卢瑟福在实验室里第一次成功在实现了原子核人工转变的实验装置示意图，M是显微镜，S是荧光屏，F是铝箔．氮气从阀门T充入，A是放射源．
男低音歌手独唱时由女高音歌手轻声伴唱，下面对二人声音的描述正确的是( )
Our school is so famous that _______ people come and visit it every term.
My little baby sisteris so lovely. We all like ____.
