A. comes
B. coming
C. come
D. is coming
第1题:
用递归函数求解斐波那契序列,在划线处填上正确语句。 int fib(number){ if (__________ || number == 2) return 1; else: return fib(number - 1) + fib(number - 2);
A.number == 1
B.number == 0
C.number == 3
D.number != 1
第2题:
创建students对象,_______语句可以选出第二个同学的身高。 students数据如下: age height weight 1 19 170 68 2 20 165 65 3 18 175 65
A.students[1,'height']
B.students.loc[2,'height']
C.students.iloc[1, 1]
D.students['height'][3]
第3题:
23、假定 number=4,下面哪个语句不会出错?
A.print(format(number, "2d"), format(number ** 1.5, "4d"))
B.print(format(number, "2d"), format(number ** 1.5, "4.2d"))
C.print(format(number, "2d"), format(number ** 1.5, "4.2f"))
D.print(format(number, "2f"), format(number ** 1.5, "4.2d"))
第4题:
如果Number=3,下列命题为真。 If Number = 3, judge the truth of the following propositions. (Number*Number)>=(2*Number)
第5题:
24、如果Number=7,下列命题为真。 If Number = 7, point out the truth or false of the following expressions. Sqrt(Number*Number ) == Int(Sqrt(Number*Number))
第6题:
创建students对象,_______语句可以选出第二个同学的身高。 students数据如下: age height weight 1 19 170 68 2 20 165 65 3 18 175 65
A.students.loc[2,'height']
B.students.iloc[1, 1]
C.students[1,'height']
D.students['height'][3]