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【单选题】
下列哪项为心肌梗死最严重的并发症A.
心脏破裂
B.
乳头肌断裂
C.
乳头肌功能不全
D.
室壁瘤
E.
附壁血栓
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举一反三
【简答题】循环系统是一个_____的管道系统,分为________和_____________两部分.
【简答题】April 27 is a special day in Britain. It’s called Take Our Daughter to Work Day. It was brought to Britain in 1994 from America. On that day thousands of girls take a day off school and go with one of...
【单选题】(10-27秒)What is the real situation about renting or buying a house in the United States?
A.
In most cases, buying a house is 54% more affordable than renting a house
B.
In most cases, renting a hosue is 54% more affordable than renting a house
C.
In most cases, finding the right location can help one to buy an affordable house
D.
In most cases, finding the right location can help one to rent an affordable house
【简答题】Why does the city council support the building?
【单选题】两楼合用一个集中空调水系统，冷水系统设计供回水温差为4℃，经计算冷水循环泵的扬程为35m，水泵效率为50％，下列关于该空调系统能效输送比的数值及其是否符合要求的说法正确的是________。
A.
该系统的能效输送比为0．045，符合空调冷水管道能效输送比的要求
B.
该系统的能效输送比为0．045，不符合空调冷水管道能效输送比的要求
C.
该系统的能效输送比为0．014，符合空调冷水管道能效输送比的要求
D.
该系统的能效输送比为0．014，符合空调冷水管道能效输送比的要求
【简答题】任务性阅读 April 27 is a special day in Britain. It’s called Take Our Daughter to Work Day. It was brought to Britain in 1994 from America. On that day thousands of girls take a day off school and go wit...
【多选题】管道是由( )、支吊架、仪表装置及其他附件构成，管道通过与设备连接，构成一个密闭循环系统，达到输送介质的目的。
A.
管材
B.
管件
C.
阀门
D.
钢筋混凝土
E.
法兰
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