问题
单项选择题
关于纵隔神经源性肿瘤的描述，错误的是（）
A、多为良性
B、境界清楚
C、T1WI低信号
D、T2WI高信号
E、一般不强化
答案
参考答案：E
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关于纵隔神经源性肿瘤的描述，错误的是（）
A、多为良性
B、境界清楚
C、T1WI低信号
D、T2WI高信号
E、一般不强化
参考答案：E
| 短文填空，每格一词，使短文完整。 | |
Today is ____________. It's ____________. We have Chinese, ____________, math in the morning. We have art and ____________ in the afternoon. I ____________ P. E. We often have P. E. class on the ____________, sometimes in the ____________. I often take my white ____________ to have my P. E. class. I like ____________. It's ____________ for me. |