题目内容

下列语句执行完成后,n的值是()n=0for i in range(1,100,3):n=n+1

A. 31
B. 32
C. 33
D. 34

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下列选项中不能用来判断一个整数n是偶数的是()

A. n%2==0
B. n%2!=1
C. n/2==n//2
D. n/2!=n//2

以下程序的输出结果是( )。for s in 'xyab':for i in range(3):if s=='a':breakprint(s,end='')

A. xxxyyy
B. xyxyxy
C. xybxybxyb
D. xxxyyybbb

以下程序的输出结果是( )。for i in range(3):for s in 'xyzabc':if s=='a':breakprint(s,end='')

A. xyzxyzxyz
B. xxxyyyzzzaaa
C. xyzaxyzaxyza
D. xxxyyyzzz

(多选)对若干个正数求和,输入“ok”结束,下面正确的代码是( )。

A. s = 0x = input()while x!="ok":s += int(x)print(s)
B. s = 0while True:x = input()if x=="ok":breaks += int(x)print(s)
C. s = 0x = input()while x!="ok":s += int(x)x = input()print(s)
D. s = 0while x!="ok":x = input()s += int(x)print(s)

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