简述毛细线虫的生活史。
楷书成熟于（） ["魏晋","隋唐","明初","清末"]
战勤保障大队封闭式防化服储备数量为5套。
哪两种宽带接入技术将成为主流发展方向？
Port of Registry refers to the port where（）. ["the ship has been named","the ship has been built","the ship has been signed","the ship has been registered"]
人类最初的礼仪表现在哪个方面？
