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【多选题】
热水锅炉在运行中遇有()之一，应当立即停炉。A.
锅水温度急剧上升失去控制
B.
循环水泵或者补水泵全部失效
C.
补水泵不断给系统补水，锅炉压力仍继续下降
D.
压力表或者安全阀全部失效
E.
锅炉元件损坏，危及锅炉运行操作人员安全
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【单选题】Central-heating is one of the modern ______ the newly-built apartment building provides.
A.
impressions
B.
competitions
C.
satisfactions
D.
conveniences
【简答题】what’s the central demand of modern philosophy?___
【多选题】Financial assets and institutions are central to modern economies because________
A.
they transform the meager saving of cautious families into large investments by bold entrepreneurs.
B.
they allow workers to be capitalists, sharing in the profits of industrial giants.
C.
they manufacture liquidity and reduce all sorts of risks.
D.
they themselves can produce something like wheat, steel, or tennis shoes.
【简答题】what’s the central demand of modern philosophy?___
【简答题】英译中 Information and communications are central to modern society and organizations. One approach to understand the working environment is to consider an organization as a communications system. An org...
【单选题】Modern central banking dates back to the aftermath of the Great Depression of the .
A.
1930
B.
1920s
C.
1930s
D.
1920
【单选题】All food is______.
A.
delivered to Peking House from a modern central kitchen
B.
cooked by experienced cooks from China
C.
prepared in Peking House's well-equipped kitchen
D.
served in Peking House's unique and modern kitchen
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