以下if语句语法不正确的是()。
A. if(a>0):x=20else:x=200
B. if(a>0):x=20else:x=200
C. if(a>0):x=20else:x=200
D. if(a>0):x=20elsex=200
执行下列Python语句后的显示结果是()。i=1if(i):print(True)else:print(False)
A. 输出1
B. 输出True
C. 输出False
D. 输出0
如下代码可以实现当输入6的时候输出x>5,输入4的时候输出35: print("x>5") elifx>3: print("3
A. 对
B. 错
The present value of an expected future payment ________ as the interest rate increases.
A. falls
B. rises
C. is constant
D. is unaffected