【判断题】对称加密技术便于进行数字签名,从而保证数据的不可抵赖性。( )
【单选题】下列选项中,不应确认为营业外支出的是( )
【判断题】只有落后国家才存在资源的稀缺性和供给的短缺现象
【判断题】风景画15世纪独立成科,成熟于17世纪。
【单选题】If you want children to work hard you must ______ their interests instead of their sense of duty.
【单选题】He is not selfish;_________,he is very noble and generous.
【单选题】If you want children to work hard you must ______ their interests instead of their sense of duty.
【判断题】只有落后国家才存在资源的稀缺性和供给短缺现象。