【单选题】已知 a 、 b 是非零向量且满足(3 a - b ) ⊥ a ,(4 a - b ) ⊥ b ,则 a 与 b 的夹角是( )
【单选题】△ABC的内角A,B,C的对边分别为a,b,c,已知cos(A-C)+cosB=1,a=2c,则C=( )
【简答题】中长期贷款采用分期偿还方式,中长期消费贷款还需按季或按月偿还贷款。( )
【单选题】已知 4 x 5 y a ÷24 x b y 3 = 1 6 x 2 y 3 ,那么( )
【单选题】已知 a , b 是非零向量且满足 (3 a - b )⊥ a ,(4 a - b )⊥ b ,则 a 与 b 的夹角是( )
【单选题】Verification of product movement by examining physical records or performing inventory analysis are characteristics of which of the following types of syndicated services?
【简答题】中长期贷款采用分期偿还方式,中长期消费贷款还需按季或按月偿还贷款。( ) A.正确 B.错误
【单选题】到了()年代,人们对环境管理有了新的认识
【单选题】Which of the following allows verification of the port that a printer is currently using?()
A.
The print queue window from system tray
B.
Properties of the printer from the Printers Control Panel
C.
Print spooler view in the Printers Control Panel
D.
Properties of the port within Device Manager