诊断局限性肠炎病的最有意义的病理改变（）
A.全壁性炎症
B.匍行性沟槽样溃疡
C.非干酪样肉芽肿
D.干酪样肉芽肿
E.多发性炎性息肉
参考答案：D
选择正确的单词补全句子。
1. Mary is my friend. She is a ____________ (boy, girl).
2. She has black hair and yellow face. She is from ____________ (Chinese, China).
3. What's his ____________ (name, names)?
4. She ____________ (like, likes) music.
简述计算机局域网中路由器的主要功能。
