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【单选题】
如果类的设计要求它的某个成员变量可以在本类、本类的子类及本被访问,应该使用下面的哪些修饰符来获得需要的访问控制:
A.
private
B.
没有修饰符
C.
public
D.
protected
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参考答案:
举一反三
【简答题】读程序,写出结果。 unsigned char a=3; unsigned char b=3; a=++b; 则a=?及b=?
【单选题】Happy New Year.
A.
Happy birthday.
B.
Merry Christmas.
C.
Happy New Year.
【单选题】I notice Linda is often absent from school because of illness. _______ she is not so healthy as she used to be?
A.
Why is it that
B.
Is it why that
C.
Why is
D.
Is it why
【单选题】unsigned char a; unsigned char b; unsigned char c; a=125; b++; c=a/b; 执行以上程序后,变量“c”中的数值为( )。
A.
5
B.
20
C.
21
D.
0
【单选题】— Why is she absent? — She's absent ___________ she is ill. [     ]
A.
because
B.
so
C.
if
【单选题】unsigned char a; unsigned char b; unsigned char c; a=125; b=5; c=a%b; 执行以上程序后,变量“c”中的数值为( )。
A.
25
B.
0
C.
120
D.
130
【简答题】—Happy New Year! —______________ A.Happy New Year! B.Oh, no, thanks. C.Wish you, too. D.It ’s the same to you.
【单选题】When she was asked why she was absent for the party, no answer was______.
A.
imminent
B.
urgent
C.
emergent
D.
forthcoming
【单选题】太阳能电池的能量转换率是 () , 百分数表示。
A.
阳能电池的输出功率与输入功率之比
B.
太阳能电池的端子输出的电力能量与输入的太阳能辐射光能量之比
C.
人阳能电池的输入功率与太阳能电池的输出电力能量之比
D.
太阳能电池的输入功率与输出功率之比
【单选题】函数void Display(unsigned char x,unsigned char y,unsigned char *s){unsigned char i=0;
A.
t_xy_LCD(x,y);
B.
ile(*s)    {Write_Data_LCD(*s);
C.
+;}}中的三个形参分别是(         )数据类型
D.
无符号整型、整型、整型
E.
无符号字符型、字符型、字符型
F.
无符号字符型、字符型、指针型
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