对于某尺寸链，若组成环中的增环都是取极大值，减环都取极小值，则封闭环的尺寸是（）
A、极大值
B、极小值
C、最大和最小尺寸的平均值
参考答案：A
TV talk shows have covered every inch of space on daytime television. And everyone, who watches them _____, knows that each one is different in style.[ ]
A. regularly
B. generally
C. patiently
D. normally
在XSL文件中不可嵌入哪些内容（）
A.CSS样式定义
B.javascript语句
C.java语句
D.HTML
