题目内容
(请给出正确答案)
[单选题]
判断字符型变量 ch 的值是否为大写英文字母的表达式为()
A.‘A’<=ch<=’z’
B.ch>=’A’ ﹠﹠ ch<=’z’
C.ch>’a’ ﹠﹠ ch<=’z’
D.ch>=’A’ || ch<=’Z’
提问人:网友youlingba
发布时间:2022-01-07
A.‘A’<=ch<=’z’
B.ch>=’A’ ﹠﹠ ch<=’z’
C.ch>’a’ ﹠﹠ ch<=’z’
D.ch>=’A’ || ch<=’Z’
B.ch>=’A’ ﹠﹠ ch<=’Z’
C.ch>’a’ ﹠﹠ ch<=’z’
D.ch>=’A’ || ch<=’Z’
B.c>=’A’ || c<=’Z’
C.c>=”A” && c<=”Z”
D.c>=’A’ && c <= ‘Z’
A.ch>='A'&ch<='Z'
B.ch<='A'|| ch>='Z'
C.'A'<=ch<='Z'
D.ch>='A'&&ch<='Z'
A、ch=ch+32
B、ch+=32
C、ch=ch+'a'-'A'
D、ch+='a'-'A'
E、ch=tolower(ch)
F、ch=ch-'A'+'a'
G、ch-='A'-'a'
H、toupper(ch)
I、tolower(ch)
J、ch=ch-32
K、ch-=32
L、ch = ch-'a'-'A'
M、ch -= 'a'-'A'
B. 'a'<=c&&c<='z 'II 'A'<=c&&c<= 'z'
C. 'a'<=c<='z'll 'A'<=c<= 'Z'
D. ('a'<=cllc<'z') && ('A'<=c||c<= 'Z ')
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