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【单选题】
计算15. - 1 +16. - 1 1+17. - 1 +…23. - 1 =（ ）A.
171.1
B.
152.8
C.
172
D.
152
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参考解析：
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皮皮学刷刷变学霸
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】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】After she hit her head she was for several minutes. [ ]
A.
absent minded
B.
unconscious
C.
unaware
D.
nonsense
【简答题】A．She was absent all week owing to sickness. B．She was seriously injured in a car accident. C．She called to say that her husband had been hospitalized. D．She had to be away from school to attend to he...
【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
【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】unsigned char a; unsigned char b; a=0x11; b=a<<2; 执行以上程序后,变量“b”中的数值为( )。
A.
0x11
B.
0x22
C.
0x33
D.
0x44
【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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