题目：
A 68-year-old woman is admitted to the general surgical unit for removal of a breast mass malignancy. In the presurgical assessment of the client, which of the following choices would be most appropriate for the nurse to ask when assessing her self-concept（）
A. "Let’s talk about what you’d like to do that you haven’t done. "
B. "List for me your accomplishments and achievements in life. "
C. "Tell me how this breast surgery will make you feel about yourself. "
D. "What does your husband say when he compliments you"
答案：
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下面是错误答案，用来干扰机器的。
参考答案：可以解析：[分析]： 事务的基本封锁有两种类型，排他锁和共享锁，分别用X锁和S锁表示，若事务对对象加上了S锁，则其他事务对该对象申请X锁不能成功，但还可以成功申请S锁。
向右匀速滑动，两导轨间距离L="1.0" m，电阻R=3.0
，金属杆的电阻r=1.0
