问题
单项选择题 A1/A2型题
脑膜瘤的MRI征象，错误的是（）。
A.肿瘤在T1WI多呈等信号
B.肿瘤在T2WI可表现为高、等或低信号
C.肿瘤增强后多呈明显均匀强化
D.增强后肿瘤邻近的硬脑膜可以强化
E.肿瘤周围多无水肿
答案
参考答案：E
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脑膜瘤的MRI征象，错误的是（）。
A.肿瘤在T1WI多呈等信号
B.肿瘤在T2WI可表现为高、等或低信号
C.肿瘤增强后多呈明显均匀强化
D.增强后肿瘤邻近的硬脑膜可以强化
E.肿瘤周围多无水肿
参考答案：E
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| Nowadays, computers are becoming more and more __1__ in many cities and towns. A lot of small shops and restaurants along busy streets change into __2__ game houses. These places are always crowded with __3__, especially (尤其) young boys. In the computer game houses, people __4__ a lot of money playing computer games. It's __5__ for one to win computer games, but one can try it again and again. The more they __6__, the more they want to win, and at last they even can't live without (无) it. For school boys, they have no __7__ in their lessons. When class is over, they rush to (冲到) the nearby computer game houses. Some of them can get enough __8__ from their parents. But it is not __9__ for some to get money. They begin to steal (偷) __10__ students' money and become thieves (贼). | ||||
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