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【单选题】
在某些飞机上有剩余油量警告系统,其所指示的剩余油量为
A.
飞行中每个油箱剩余的燃油量
B.
飞行中各个油箱剩余的燃油量总和
C.
加油前飞机油箱内所存的燃油量;
D.
油箱燃油消耗量。
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【简答题】下臣不幸,属当戎行,无所逃隐,且惧奔辟而忝两君。当:( )戎行:( )奔:( )辟:( )忝:( )
【单选题】If the national pastime could be integrated,it seemed only a matter of time before the nation's schools,playgrounds,buses,and restaurants could also be integrated.
A.
recreation
B.
discipline
C.
tuition
D.
regulation
【简答题】已知某烟煤的组成为(质量):C .48%,H 3.69%,0 6.13%,N 0.96%,S l.Ol%,H20 3.06%,灰分20.67%。则lkg该种煤产生的理论烟气量为( )。(假定空气中不含水分)
【单选题】已知煤的干燥基Cdaf=80%,收到基的水分组成Mar=5%,灰分组成Aar=10%,则该煤的收到基Car是________。
A.
69.5%
B.
68%
C.
72%
D.
76%
【单选题】已知煤的干燥基Cdaf=80%,收到基的水分组成Mar=5%,灰分组成Aar=10%,则该煤的收到基Car是________。
A.
69.5 %
B.
68 %
C.
76 %
D.
72 %
【判断题】低钾血症本身倾向于引起代谢性酸中毒,使尿液呈酸性
A.
正确
B.
错误
【单选题】There seemed to be no human beings in that village, and the only ______ of life was a boat tied to a tree.
A.
symbol
B.
mark
C.
signal
D.
sign
【简答题】计算1m3煤气(100kPa,273K)燃烧时所放出的热量。已知煤气组成如下表:
【单选题】—How are their talks going on? Have they reached any agreement? —They only seemed to have agreed to set another date for _____ talks.
A.
deeper
B.
slower
C.
further
D.
higher
【判断题】低钾血症本身倾向于引起代谢性酸中毒,使尿液呈酸性
A.
正确
B.
错误
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