明桥面钢轨综合维修达到合格标准,双层胶垫应不超过()。
A、3%
B、5%
C、8%
D、10%
参考答案:D
阅读理解.
根据地图回答下列问题.
1. If you want to go from the northwest to City Center, you can take Bus _____.
A. No.4
B. No.5
C. No. 3
D. No. 10
2. The First Hospital can be seen in the _____.
A. west
B. east
C. north
D. south
3. You may go boating in _____.
A. the Great Lake and the Beihai Park
B. the Town Supermarket
C. the History Museum
D. the Football Club
4. Bank of China is near the _____.
A. May Airport
B. Teachers' College
C. Public Library
D. Red Star Cinema
5. How many schools can you find in this map?
A. One.
B. Two.
C. Three.
D. Four.
制造业物流的特点有()
A、是物流的出发点
B、是调节阀
C、重点在物流中心的机能
D、集中供货