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【单选题】
Read the dialogue and answer the question. P: Excuse me, would you please give me some information? S: Certainly, what can I do for you? P: There are 50 people in our group. We come from Singapore. Do you have any group ticket? How about the discount? S: Yes, we have the group ticket. According to the Ticket Policy, the group above 50 persons has 10 percent discount. Please contact with the station supervisors, they will be at your service. P: How much is the fare to South Gate Station? S: 4 Yuan for one ticket. Question:How much should they pay totally?A.
4 Yuan.
B.
400 yuan.
C.
200 yuan.
D.
180 yuan.
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【多选题】下列选项中符合风管加固规定的有()
A.
矩形金属风管边长大于630mm、保温风管边长或圆形金属风管(除螺旋风管) 直径大于800mm,管段长度大于1250mm,均应采取加固措施
B.
当金属风管的板材厚度不小于2mm时,加固措施可适当放宽
C.
塑料风管的直径或边长大于500mm,其风管与法兰的连接处应设加强板,且间距不得大于450mm
D.
有机及无机玻璃风管的加固,应为本体材料或防腐性能相同的材料,并与风管成一整体
【单选题】直咬缝圆形金属风管直径大于或等于800mm,且其管段长度大于( ) mm 或总表面积大于 4m 2 时,均应采取加固措施。
A.
1000
B.
1250
C.
1500
D.
2000
【简答题】心与其它脏腑的兼证有心肺气虚证，心脾两虚证，心肝血虚证，心肾阳虚证，心肾不交证。兼有肺虚的脏腑兼证有心肺气虚证，肺肾阴虚证，（）
【多选题】矩形金属风管边长大于或等于( ) mm 和保温风管边长大于或等于( ) mm ,且其管段长度大于( ) mm 时应采取加固措施。
A.
630
B.
800
C.
1200
D.
1250
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