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【单选题】
结构净高是指楼面或地面结构层上表面至上部( )之间的垂直距离。A.
结构层下表面
B.
结构层上表面
C.
结构层中间
D.
装修层上表面
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【单选题】The principal purpose of sub-cooling liquid refrigerant prior to its entering the expansion valve is to _____.
A.
increase the refrigerating effect, by decreasing the amount of flash gas
B.
allow the refrigerant to enter the throttling device in a saturated condition
C.
increase the refrigerating effect by increasing the amount of flash gas
D.
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【单选题】Martin Luther King Jr. campaigned for the______ of civil rights to black people.
A.
expansion
B.
extension
C.
intention
D.
contribution
【单选题】Every time the customer buys a ice cream, his car won’t start.
A.
chocolate
B.
strawberry
C.
vanilla
D.
banana
【单选题】全身性Shwartzman反应促进DIC发生的原因是( )
A.
抗凝物质合成障碍
B.
血液高凝状 态
C.
单核-吞噬细胞系统功能受损
D.
微循环障碍
E.
纤溶系统受抑制
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