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【简答题】
所谓开闭原则具体是指 设计对扩展开放 、 ____ 对修改关闭 _________ 。
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举一反三
【单选题】From the last paragraph of this passage, it can be concluded that Andrew Carnegie would agree that
A.
one must work hard to get somewhere in the world.
B.
one must be able to make a wise decision on investment.
C.
one must not die with a huge amount of money left unused.
D.
one must treasure the city where one has lived for all one's life.
【简答题】张先生希望5年后能获得10000元本利和,银行利率为5%。按单利来算,张先生需要在银行存入多少资金?
【多选题】民族地区发展要注意发展经济,改善民生的意义在于?
A.
民生关系到每个百姓的冷暖
B.
民生联系着民心，关系到群众对于党和政府的认同与拥护
C.
民心联系着国运，关系到国家稳定与社会团结
D.
有利于促进各民族的交流交往交融
【简答题】张先生希望5年后能获得10000元本利和,银行利率为5%。如果按复利计息,张先生应该在银行存入多少资金?
【单选题】People tend to make mistake when ____.
A.
they perform. several challenging tasks at a time.
B.
new messages are processed one after another
C.
their relationships with others are affected
D.
the tasks require little thought
【单选题】How many libraries have been established with the money donated by Andrew Carnegie?
A.
500.
B.
1500.
C.
2500.
D.
3500.
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