Jones won $5,000,000 in the state lottery which she has elected to receive at the end of each month over the next thirty years. She will receive 7% interest on unpaid amounts. To determine the amount
A. Present value of an annuity of 1
B. Future value of an annuity due of 1
C. Present value of an ordinary annuity of 1
D. Future value of an ordinary annuity of 1
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以下对于字符串的相关操作，正确的输出结果是哪些选项（）
A. ＞＞＞ ‘Life is short, you need Python.’.find（‘you’）
B. 15
C. B．＞＞＞ seq = [1, 2, 3, 4];sep = ‘+’;
D. sep.join（seq）
E. ‘1+2+3+4’
F. C．＞＞＞ print（‘{:5.3f}’.format（math.pi））
G. 3.1416
H. D．＞＞＞ print（‘you’ in ‘Life is short, you need Python.’）
I. True
物联网的英文名称为（）
A. Internet of Things
B. RFID（Radio Frequency Identification）
CPS（Cyber Physical System）
D. WSN（Wireless Sensor Network）
#includeusing namespace std;int main（）{char p=0; p=’a’; cout＜＜“The value at p:”＜＜p; return 0;} 编译运行程序将出现的情况是（）
A. 运行时出错
B. 编译时出现语法错误，不能生成可执行文件
C. 运行时一定输出：The value at p：a
D. 运行时一定输出：The value at p：a
If a bond pays interest semiannually, then it pays interest（）
A. once per year
B. every six months
C. every three months
D. every two years
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