问题
单项选择题
“脑膜瘤”下列CT征象，哪种最少见（）
A.瘤体形态不规则、边缘模糊，坏死囊变明显
B.增强：均匀强化
C.邻近颅骨增厚或破坏
D.肿瘤与硬脑膜广基底粘连
E.平扫：等或略高密度
答案
参考答案：A
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“脑膜瘤”下列CT征象，哪种最少见（）
A.瘤体形态不规则、边缘模糊，坏死囊变明显
B.增强：均匀强化
C.邻近颅骨增厚或破坏
D.肿瘤与硬脑膜广基底粘连
E.平扫：等或略高密度
参考答案：A
In 1898 an 8.2 earthquake almost flattened America, killing over 30,ooo people in less than four minutes. In the middle of complete damage and disorder, a father rushed to the school where his son was supposed to be, 26 that the building was 2 7. After the unforgettably shock, he 28 the promise he had made to his son: “ No matter 29 happens, I’ll always be there for you!” And tears began to 30 his eyes. As he looked at the pile of ruins, it looked hopeless, but he kept remembering his 31 to his son. He rushed there and started 32 the ruins. As he was digging, other helpless parents arrived , 33 : “It’s too late ! They are all dead! 34 , face reality; there’s nothing you can do!” To each parent he responded with 35 : “Are you going to help me now? ”No one helped. And then he continued to dig for his son, stone by stone. Courageously he went on alone because he needed to know 36 : “Is my boy 37 or he is dead?” He dug for eight hours … 12 hours…36 hours…then , in 38 hour , he pulled back a large stone and heard his son’s 39 . He screamed his son’s name, “ARMAND!” He heard back, “Dad!?! It’s me, Dad! I told other kids not to worry. I told them that if you were alive, you 40 me and 41 you saved me, they’d be saved. You promised, ‘No matter what happens, I’ll always be there for you!’ You did it, Dad!” “What’s going on in there? ”the father asked “There are 14 of us 42 43 33,Dad. We’re scared, hungry, thirsty and thankful you are here. When the building collapsed, it made 44 , and it saved us.” “Come out , boy!” “No, Dad! Let the other kids out first, 45 I know you’ll get me! No matter what happens, I know you’ll always be there for me!”
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面形态似下列哪种（）