问题
单项选择题
关于嗜铬细胞瘤下列哪项正确（）
A.绝大多数为恶性
B.大多为良性可手术根治
C.良性可选用药物根治
D.恶性选用131I-MIBG治疗可获根治
E.药物治疗首选β受体阻滞药
答案
参考答案：B
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关于嗜铬细胞瘤下列哪项正确（）
A.绝大多数为恶性
B.大多为良性可手术根治
C.良性可选用药物根治
D.恶性选用131I-MIBG治疗可获根治
E.药物治疗首选β受体阻滞药
参考答案：B
Tom and Mike were good friends. 1 , sometimes they were not. But some of their classmates said they were like brothers. One day they went out for a walk together. 2 and they went into a restaurant to have lunch. The waiter came up to them and asked, “What can I do for you?”“Please bring us two apples first.” Said Tom. When the waiter put the two apples on the table 3 Tom got angry. “ You are impolite (没礼貌). Why didn’t you take the smaller one?” Tom said. “But I was right,” said Mike with a smile. “If I let you take first, which one will you choose?”“Of course 4 .” said Tom. “Yes,” Mike said, “If you take the smaller one, the bigger one will be mine. 5 ?”“Oh.” Tom couldn’t answer.
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