已知函数f(x)=x2﹣2x的定义域为{0,1,2,3},那么其值域为[ ]
A.{﹣1,0,3}
B.{0,1,2,3}
C.[﹣1,3]
D.[0,3]
答案:A
He spent ________ yuan on the new computer.
A.five thousand, three hundred and forty
B.five thousand, three hundred and forties
C.five thousands, three hundred and forty.
D.five thousands, hundreds and forty
理想的上颌前牙冠桩直径为根管径的()
A.2/3
B.1/5
C.1/4
D.1/3
E.1/2