已知直线y=kx+1与曲线y=x3+ax+b切于点(1,3),则b的值为[ ]
A.3
B.-3
C.5
D.-5
答案:A
企业经营与企业管理是两个含义不同的两个概念。
The novel was so interesting that he read it _____ in a single day.
A.from word to word
B.from sentence to sentence
C.from chapter to chapter
D.from cover to cover