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【简答题】
下列代码拟将100分制分数转换成等级分数,有什么错误?改正 if (score >= 60.0) System.out.println("D"); else if (score >= 70.0) System.out.println("C"); else if (score >= 80.0) System.out.println("B"); else if (score >= 90.0) System.out.println("A"); else System.out.println("F");
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举一反三
【单选题】In the ISM code, “company” doesn’t mean ______.
A.
the ship owner
B.
the manager or bare boat charterer
C.
a person assuming the responsibility for ship operation
D.
a business enterprise dealing with freight
【单选题】Struts2应用程序中,所有的Action类在处理完成之后,返回的都是一个字符串类型的结果,这个结果作为一个( )视图而存在。
A.
物理
B.
逻辑
C.
控制
D.
映射
【单选题】在struts2的action类中有一个User类型属性user，并且提供了user的getter和setter方法。该User中有一个属性username，并且提供了该属性的getter和setter方法，以下表单提交,username可以获取到值的是（）
A.
B.
C.
D.
【单选题】The purpose of the ISM Code is to provide _____ standard for the safe management and operation of ships and for pollution prevention.
A.
a regional
B.
the best
C.
an international
D.
an ideal
【单选题】In the ISM Code, “company” doesn’t mean__________.
A.
the shipowner
B.
the manager or bareboat charter
C.
a person assuming the responsibility for ship operation
D.
a business enterprise dealing with freight
【单选题】Under ISM Code, the ship to which it applies has to carry _____.
A.
an international ship security certificate
B.
an international oil pollution prevention certificate
C.
a safety management certificate
D.
an international ballast water management certificate
【单选题】【单选】The ISM code is part of ______.
A.
SOLAS
B.
STCW
C.
High Speed Craft Code
D.
MARPOL
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