确定桥梁高度应从桥下应有的净空高度和梁的建筑高度考虑，另一方面从桥头（）应有的高度考虑。
A、引线
B、路肩
C、护坡
D、基础
参考答案：A
三国鼎立局面形成的时间是[ ]
A．200年
B．208年
C．220年
D．222年
根据句意及首字母提示填写单词。
1. N_____ to meet you.
2. Hello ! I a_____ Alan.
3. W_____ is his name?
4. Six and three is n_____ .
5. This is a girl. H_____ name is Lucy.
6. His name is Tom Hanks. Tom is his f_____ name.
7. —Is y_____ telephone number 655-9088?
8. This is my friend Jack . His l_____ name is Brown.
9. I am a student. This is m_____ school.
10. One and s_____ is eight.
