图像必须是何种模式，才可以转换为位图模式：（）
A、RGB
B、多通道
C、灰度
D、索引颜色
参考答案：C
以下不属于CMT临床表现的是（）.
A.儿童及青春期起病，缓慢进展
B."鹤"腿
C.弓形足
D.脊柱侧弯
E.多无感觉障碍A.儿童及青春期起病，缓慢进展
E.多无感觉障碍
No claim for constructive total loss based upon the cost of recovery and/or repair of the Vessel shall be recoverable hereunder unless such cost would exceed（）.
A.the stated value
B.the sound valve of the vessel at the time of occurrence
C.the lost value
D.the insured value
