【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( )
【单选题】If every person in every house______.
A.
rides a bike instead of a car, everything will be OK
B.
stops using hot water washing dishes ,we'll waste less energy
C.
makes efforts to save energy, the future be bright
D.
has company while watching TV, nothing will go wrong
【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。