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问题 单项选择题

男性，40岁，脾脏肿大，回声轻度减低，实质内探及多个圆形低回声及无回声结节，边界清楚。可提示诊断为（）

A.脾恶性淋巴瘤

B.脾结核

C.脾梗死

D.脾血管瘤

E.脾转移癌

答案

参考答案：A

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Only Mother Love is t   小题1:   love. It gives everybody everything all his life. When you are still a b    小题2: , mother takes good care of you as much as p   小题3: . In your waking hours, she always holds you in her a  小题4:  . When you are ill, she stops her work right now to look after you day and night and forgets about h  小题5:  . When you are growing up day by day, she feels very happy. When you are old enough to go to school, mother still looks after you all the time. On cold winter days, she always tells you to put on m 小题6:   clothes. She always stands in the wind waiting for your back from school. When you hurry to leave home w  小题7:  little breakfast, she always feels worried about you at home. She usually knows about your study and spends much money on your school things. When you do well at school, you will see the brightest s   小题8:  on her face.

Mother is always ready to give e  小题9:   she has to her children, not to r  小题10: . What true love it is in the world! We will remember Mother Love for ever!
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判断题

相关关系按研究指标变量的多少，可以分为正相关和负相关。 ( )
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