关于脊椎结核的MRI表现，下列错误的是（） A.脊椎结核的椎体信_爱下问搜题

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问题单项选择题 A1/A2型题

关于脊椎结核的MRI表现，下列错误的是（）

A.脊椎结核的椎体信号改变，大多数T1WI呈均匀的较低信号，T2WI呈混杂高信号

B.在椎体终板附近可见到低信号的米粒状病变

C.受累椎间盘T1WI多呈低信号，T2WI常为不均匀混杂高信号

D.椎旁软组织包括脓肿和肉芽肿，T1WI呈低信号，T2WI多呈混杂高信号

E.附件结核破坏灶在T1WI和T2WI上较易清晰显示

答案

参考答案：E

多项选择题

骨髓检查的适应证是()

A．原发性血小板减少性紫癜

B．继发性血小板减少性紫癜

C．白血病伴皮肤黏膜出血

D．血友病

E．单纯性紫癜

阅读理解

Cheating happens a lot in our city. It can be hard to know who is really in   1  and who is trying to take advantage of other people's    2  .
Recently, I was finishing my work at home    3  the dog barked letting me know that   4  was at the gate. I rushed to see who it was and there I saw a   5  weak woman in her late fifties. I said to her, "May I ask you what you   6 ?" She   7  , "Hello, my name is Mary. My husband and I live in the slum nearby. We earn our living   8  working at construction sites. A few days ago my   9  tripped on the stairs while
10 a heavy load. He is   11  hurt and hasn't been able to 12 for the past five days, so we have no food. Now he is at home in bed with a high fever. Please help me! I need to take my husband to a doctor!"
"Oh!" I said. "Please 13  here." I went into the room. I felt really bad about her 14 but--- Was she telling me the   15  or trying to cheat me out of my money?
Finally, I   16 to help her. But first I said a simple prayer, "Dear Lord, you know 17 I earn my pennies, so please make sure that my hard earned money helps those who 18 need it. Amen." I went out with a fifty note and
19 it to her. The moment she got the money she broke down in tears. She took my hand and said, "May god bless you, my dear! Thank you so much!"
I was so   20 , and turned back to my work smiling.

小题2:A. braveness B. kindness C. interest D envy