注:图中A代表北京,B代表天津,C代表上海,
D代表成都,E代表广州,F代表武汉
铁路客运量比重最大的城市为()
A.北京
B.天津
C.成都
D.上海
参考答案:C
用所给单词的适当形式填空
1. Tom and I____ (be) brothers.
2. Those____(be) my grandparents.
3. What____(be) these?
4. ____ ( this) are my friends Li Lei and Lin Tao.
5. Those are my____(key).
6. Are these your____(book)?
7. That's____(he) brother.
8. (be) you Mary?
后张法有粘结预应力施工中,在留设预应力筋孔道的同时,还应按要求合理留设().
A.观测孔
B.加压孔
C.灌浆孔
D.排气孔
E.泌水孔