静态图像压缩标准JPEG2000中使用的是（）算法。
A.K-L变换
B.离散正弦变换
C.离散余弦变换
D.离散小波变换
参考答案：D
So many kinds of shirts! I really don’t know _____. [ ]
A. what to buy
B. which to buy
C. to buy which
D. to choose which
变应性鼻炎局部用药一般可用（）。
A.1％呋喃西林麻黄碱滴鼻液
B.复方薄荷樟脑溶雾剂
C.硝酸银结晶
D.鼻内皮质类固醇激素
E.链霉素溶雾剂
