在正常眼部CT图像上，下列结构在T1WI和T2WI中均为低信号的是（）
A.前房
B.眶壁骨质
C.眼环
D.玻璃体
E.球后脂肪
参考答案：B
My computer has a virus. I asked my friend to take a look at it. She can _____ any computer problems. [ ]
A. get out
B. pick out
C. take out
D. sort out
流动釉
