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问题 选择题

She is a good ______. She ______ very well. [ ]

A. swimmer; swimming

B. swimming; swimmer

C. swims; swimmer

D. swimmer; swims

答案

答案：D

填空题

阅读下列程序段 public class OperatorsAndExpressions { String conditionalExpression(int score) { String result; //如果score超过60分, 则结果是passed, 否则是doesn’t pass result=-(score＞=60)"passed":"doesn’t pass"; System.out.println(result); retum result; } public static void main(String args[]) { OperatorsAndExpressions OperAndExp=new OperatorsAndExpressions(); //条件表达式 OperAndExp.conditionalExpression(65); } } 其执行结果是 【8】 。
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问答题 简答题

什么是锅炉的蓄热能力？
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