题目要求与弹出条件的对应关系：
Ранее в Казани обрушилась крыша дома, которую коммунальные службы не чистили от снега с декабря.，更多细节参见heLLoword翻译官方下载
The built-in editor shows how in-depth your topic is covered and what needs improvement，更多细节参见夫子
Witnesses in Kabul and Kandahar, the southern Afghan city, reported explosions and jets overhead until dawn, while the Taliban government said later that Pakistani surveillance aircraft were still flying over Afghanistan.