【简答题】Fill in each blank with the proper form of the word given in brackets. 1.The manager was (entire)__________unaware of the trouble with the heating system in the hotel until this week. 2.By the end of ...
【简答题】根据密钥的公开性加密方法可分为_____(又称对称加密)、_____(又称非对称加密)。
【判断题】按典制,清朝皇帝祭祀天地时,穿着衮冕。()
【判断题】用六个适当分布的定位支承点限制工件的六个自由唐即简称为六点定则 ( )