该年乡镇企业中，出口值占全部行业产值一半以上的行业是（）
A．纺织
B．服装
C．机械
D．工艺品
参考答案：D
用括号内所给单词的适当形式填空。
1. Your friends would probably say you are a good _____ (listen).
2. I find it very _____ (help) to get a first-aid book at hand.
3. He is very _____ (confidence) and he believes he can do everything well.
4. If I felt some pain, I'd stop _____ (exercise).
5. Lizz gave me this ring. She _____ (be) very upset if I lost it.
MPLS中，以下哪些标签可以用于表示PHP（）。
A.0
B.1
C.2
D.3
