题干
What should the woman do?
A：Lie down and rest.
B：Drink more water.
C：See a dentist and get an X-ray.
答案(点此获取答案解析）
C
,曲线y=g(x)在点(1,g(1))处的切线方程为y=2x+1,则曲线y=f(x)在点 (1,f(1))处切线的斜率为 ( )
