【单选题】John thought he was ____ when the manager asked him for the advice on the new product. [ ]
【单选题】( )具有南国特有的“椰风海韵”的热带海滨风光。
【单选题】下列各式中正确的有( )0<|-10|,(-3) 3 =-3 3 ,-1>-0.01,-1+3=-4
【单选题】已知有理数a、b、c满足a<b,则下列各式中正确的是 [ ]
【简答题】下列各式中正确的有______.(把你认为正确的序号全部写上) (1) [(-2 ) 2 ] 1 2 =- 1 2 ; (2)已知 lo g a 3 4 <1 则a > 3 4 ; (3)函数y=3 x 的图象与函数y=-3 -x 的图象关于原点对称; (4)函数y=lg(-x 2 +x)的递增区间为(-∞, 1 2 ]; (5)若函数f(x)=2lg(x-a)-lg(x+1)有两个零点,则a的取...
【单选题】John was always the first one ___________his hand when a question was asked. A.raised###SX
A.
John was always the first one ___________his hand when a question was asked. A.raised
【单选题】已知 , 是有理数,下列各式中正确的是( )