样式可分为段落样式和字符样式，字符样式包含（）。
A.字体
B.字形
C.字号
D.边框
E.图文框
参考答案：A, B, C
Only an hour ago _______out why he was absent
A did the teacher found B.the teacher found
C.did the teacher find D.had the teacher found
测量介质损失的方法一般有几种？广泛使用的是哪一种？
