问题
单项选择题
钢坯中厚板的原料堆放时，垛高不能超过( )m。
A．4
B．4.5
C．5
D．5.5
答案
参考答案：B
解析： 钢坯中厚板的原料堆放时，垛高不能超过4.5m。
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钢坯中厚板的原料堆放时，垛高不能超过( )m。
A．4
B．4.5
C．5
D．5.5
参考答案：B
解析： 钢坯中厚板的原料堆放时，垛高不能超过4.5m。
| 完型填空. | ||||
| When you are in England, you must be careful in the streets because traffic drives on the left. __1__ you cross a street, you must look to the right first and then left. If the traffic lights are __2__, the traffic must stop. Then the people on the foot can cross the road __3__.If the traffic lights are green, the traffic can go on, people on foot __4__cross. In the morning and in the evening, when people go to or from work, the streets are very __5__.Traffice is most dangerous then. When you go by bus in England, you have to be carefully, too. Always remember that traffic moves on the __6__. So you must be careful. Have a look first, __7__ you will go the wrong __8__. In many English cities, there are big buses __9__ floors. You can sit on the __10__ floor. From there you can see the city very well. It's very interesting. | ||||
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