MRI周缘显示最亮的组织是：（）。
A.脊髓
B.内脏
C.脂肪
D.肌肉
E.骨骼
参考答案：C
The Internet gives students the chance to have the materials they need _________ to them quickly and cheaply.
A．to deliver
B．delivered
C．delivering
D．deliver
中医称梅毒为（）
A.广疮
B.肿疡
C.淋证
D.瘙瘊
E.阴疮
