An element in the WBS was estimated to require 1 month for completion with 1000 hours of labor and a burdened cost of $50K. The task was completed in 1000 hours but a burdened cost of $60K. The most likely reason for the increase would be:A . Higher salar

题目

An element in the WBS was estimated to require 1 month for completion with 1000 hours of labor and a burdened cost of $50K. The task was completed in 1000 hours but a burdened cost of $60K. The most likely reason for the increase would be:

A . Higher salaried employees were assigned.

B . Overtime was required.

C . The overhead rate increased.

D . Employee salaries had increased.

E . Any of the above


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  • 第1题:

    在下面程序的横线处填上适当的内容,使程序执行后的输出结果为1/2005。includeusing n

    在下面程序的横线处填上适当的内容,使程序执行后的输出结果为1/2005。

    include <iostream.h>

    using namespace std:

    class Date

    public:

    Date (int m=1,int y=0):month(m .year(y}{}

    void Print() {cout<<month<<"/"<<year<<end1;}

    ______operator+(const Date& d1,const Date&d2;

    private:

    int month year;

    };

    ______operaror+(const Date&d1,const Date& d2)

    int year, month;

    year=d1.year+d2.year;

    month=d1.month+d2.month;

    year+=(month-1)/12;

    month=(month-1)%12+l;

    return Date{month, year}:

    }

    void main()

    {

    Date d1(3,2004),d2,d3(10);

    d2=d3+d1;

    d2.Print();

    }


    正确答案:friend Date; Date
    friend Date; Date 解析:本题考核类与对象、运算符的重载。题中运算“+”重载函数中的参数表中有两个参数,所以是作为友元函数重载(因为“+”是一个二元运算符,作为成员函数重载时参数表中只有一个参数,对应于第二个参数,而第一个操作数就是对象本身,仅以this指针的形式隐藏在参数表中),实现的功能是将参数对象中的成员变量month、year的进行对应相加,实现年月的相加-题中运算符重载函数的返回值的类型是类Date,所以第一个空格处填入"friend Date"。第二个空格处完善运算符重载函数的定义,缺少的是函数返回值的类型“Date”

  • 第2题:

    在下向程序和横线处填上适当的内容,使程序执行后的输出结果为1/2005。 include using

    在下向程序和横线处填上适当的内容,使程序执行后的输出结果为1/2005。

    include <iostream>

    using namespace std;

    class Date

    {

    public:

    Date(int m=1,int y=0):month(m),year(y){}

    void Print() {cout<<month<<"/"<<year<<end 1; }

    【 】 operator+(eonst Date& d1, const Date& d2);

    private:

    int month,year;

    };

    【 】 operator+(const Date& d1, const Date& d2)

    {

    int year,month;

    year=d1.year+d2.year;

    month=d1. month+d2.month;

    year+=(month-1 )/12;

    month=(month-1 )% 12+1;

    return Date(month,year);

    }

    void main()

    Date d1 (3,2004),d2,d3(10);

    d2=d3+d1;

    d2,Print();

    }


    正确答案:friend Date Date
    friend Date Date 解析:重载及友元的相关内容。

  • 第3题:

    (单选)已知一个顺序存储的循环队列Q定义如下: #define MAXSIZE 50 typedef struct { QueueElementType element[MAXSIZE]; int front; //队头指示器 int rear; //队尾指示器 }SeqQueue; 则该非空队列取队头元素操作的语句是() A. Q->element[0]; B. Q->element[1]; C. Q->element[Q->front]; D. Q->element[Q->rear];


    Q->rear= (Q-> rear +1)%maxsize

  • 第4题:

    有以下程序includeusing namespace std;static int days []={31,28,31,30,31,30,3l,3

    有以下程序 #include<iostream> using namespace std; static int days []={31,28,31,30,31,30,3l,31,30,31,30,31}; class date { private: int month,day,year; public: date(int m,int d,int y) { month=m; day=d; year=y; } date() {} void disp() { cout<<year<<"-"<<month<<"-"<<day<<end1; } date operator+(int day) { date dt=*this; day+=dt.day; while(day>days[dt.month-1]) { day-=days[dt.month-1]; if(++dt.month==13) { dt.month=1; dt.year++; } } dt.day=day; retrn dt; } }; int main() { date d1(6,20,2004),d2; d2=d1+20; d2.disp(); return 0; } 执行后的输出结果是

    A.2004-7-10

    B.2004-6-20

    C.2004-7-20

    D.程序编译时出错


    正确答案:A
    解析:本题考核运算符的重载。本题通过将“+”运算符重载为类date的成员函数实现简单的对象加法,

  • 第5题:

    When a teacher wants to test students'__________ listening skills, grammar, vocabulary and pronunciation, which of the following test format is the most suitable one?

    A.True or false questions.
    B.Completion.
    C.Dictation.
    D.Translation.

    答案:C
    解析:
    考查测试的形式。A项为“判断正误题”,8项为“完形填空”,C项为“听写题”,D项为“翻译题”。听写题可以考查学生的听力能力、语法、词汇、语音、书写等多项内容。

  • 第6题:

    若有以下定义,则对变量student1中“生日”的正确赋值方式是()。 struct student { int num; char name[20], sex; struct { int year, month, day; } birthday; } ; struct student student1;

    A.student1.birthday.year = 2003; student1.birthday.month = 5; student1.birthday.day = 1;#B.year = 2003; month = 5; day = 1;#C.birthday.year = 2003; birthday.month = 5; birthday.day = 1;#D.student1.year = 2003; student1.month = 5; student1.day = 1;
    ABC