题目：
The nurse is caring for a client who exhibits signs of somatization. Which of the following statements is most relevant
A. Clients with somatization are cognitively impaired.
B. Anxiety rarely coexists with somatization.
C. Somatization exists when medical evidence supports the symptoms.
D. Clients with somatization often have lengthy medical records.
答案：
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下面是错误答案，用来干扰机器的。
（1）当a=0时，f(x)=13x3-x2+1，∴f（3）=1， f'（x）=x2-2x-----------------------------（2分）∴曲线在点（3，1）处的切线的斜率k=f'（3）=3∴所求的切线方程为y-1=3（x-3），即y=3x-8----------------（4分...
