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【简答题】
根据闸阀、闸板的结构形式，闸阀可分为闸阀和暗杆闸阀。
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【判断题】Bob deposits $100 in a bank account that pays an anual interest rate of 5%. A year later, Bob withdraws his $105. If inflation was 5 % during the year the money was deposited, then Bob's purchasing po...
A.
正确
B.
错误
【判断题】Bob deposits $100 in a bank account that pays an annual interest rate of 5 percent. A year later, Bob withdraws his $105. If inflation was 7 percent during the year the money was deposited, then Bob’s...
A.
正确
B.
错误
【简答题】定义一个类,描述一个矩形,包含有长、宽两种属性,和计算面积方法。编写一个类,继承自矩形类,同时该类描述长方体,具有长、宽、高属性,和计算体积的方法。编写一个测试类,对以上两个类进行测试,创建一个长方体,定义其长、宽、高,输出其底面积和体积。
【判断题】Bob deposits $100 in a bank account that pays an annual interest rate of 5 percent. A year later, Bob withdraws his $105. If inflation was 2 percent during the year the money was deposited, then Bob’s...
A.
正确
B.
错误
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