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【简答题】
有些家长 “ 望子成龙” 心切,对幼儿安排了一系列的学习活动,要么学英语,要么学钢琴,要么学美术等等,周六周日也不例外,生怕孩子贪玩。从不轻易让孩子与邻居家的孩子共同玩耍,而自己也不愿与孩子一起游戏。即使孩子想尝试做一些简单家务也由家长完全包办。
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【单选题】class Complex{ double imag, real; public Complex(){} //无参数构造函数 //有两个参数的构造函数 public Complex(double r , double i ) { imag = i; real = r; } ~Complex(){} //析构函数 } 下列选项关于上面类Complex中说法正确的是?
A.
image，real是公有字段
B.
构造函数中的参数r、i是用来初始化成员变量的
C.
无参数构造函数没有意义
D.
析构函数应该设为public访问权限
【单选题】Zaha Hadid Wins Pritzker Architecture Prize For the first time in its 25-year history, the coveted Pritzker Architecture Prize has been won by a woman, a Baghdad-born designer whose relatively small c...
A.
Y
B.
N
C.
NG
【判断题】The value of a five-year annuity is equal to the sum of two perpetuities. One makes its first payment in year 1, and the other makes its first payment in year 6.
A.
正确
B.
错误
【单选题】Beijing____its best air quality in the first six months of last year. [ ]
A.
saw
B.
sees
C.
has seen
D.
was seeing
【单选题】呼吸性碱中毒的病理生理基础是
A.
SB↓，AB↓，BB↓，BE负值↑，PaCO2↓，pH↓
B.
SB↑，AB↑，BB↑，BE负值↓，PaCO2↑，pH↑
C.
SB↑，AB↑，BB↑，BE负值↓，PaCO2↑，pH↓
D.
SB↓，AB↓，BB↓，BE负值↑，PaCO2↓，pH↑
E.
SB N，AB N，BB N，BE N，PaCO2 N，pH N
【单选题】The full-year dividends of Alinta, because of its excellent performance in the first-half year, have recently been increased by ______ .
A.
62.5 percent
B.
27 percent
C.
20—25 percent
D.
8 percent
【简答题】钢轨断面设为“工“字型,由()、()和()三部分组成。
【单选题】Beijing ____ its best air quality in the first six months of last year. [ ]
A.
saw
B.
sees
C.
had seen
D.
was seeing
【简答题】# include # include class complex { double real; / / 复数的实部 double imag; / / 复数的虚部 public: void init( double r, double i) / / 给 real 和 imag 赋初值 { real = r; imag = i; } double realcomplex( ) / / 求复数的实...
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