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【多选题】
新时代爱国主义基本要求是A.
坚持爱国主义和社会主义相统一
B.
维护祖国统一和民族团结
C.
坚持立足民族又面向世界
D.
尊重和传承中华民族历史和文化
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皮皮学刷刷变学霸
举一反三
【单选题】Thousands of______at the stadium came to their feet to pay tribute to an outstanding performance.
A.
audience
B.
participants
C.
spectators
D.
observers
【单选题】I must say, it’s a very offer. The pay is higher and the working conditions are much better.
A.
attractive
B.
wealthy
C.
valuable
D.
worth
【单选题】（ ）iS a property of object—oriented software by which an abstract operation ma)’be performed in different ways in different classes．
A.
Method
B.
Polymorphism
C.
Inheritance
D.
Encapsulation
【多选题】From the logistical system viewpoint, some factors are fundamental to transportation performance, they are ( )
A.
speed
B.
cost
C.
consistency
D.
distance
【简答题】The [Ag + ] of a solution is 4.0×10 -5 . Calculate the [Cl - ] that must be exceeded before AgCl can precipitate.
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