判断char型变量cl是否为大写字母的正确表达式是()
请帮忙给出正确答案和分析,谢谢!
请帮忙给出正确答案和分析,谢谢!
第1题
A.'A'<=cl<='Z'
B.(cl>=A)&&(cl<=Z)
C.('A'>=cl)||('Z'<=cl)
D.(cl>='A')&&(cl<='Z')
第2题
A.97<=cl<=122
B.(97>=cl)||(122<=cl)
C.(cl>=97)&&(cl<=122)
D.(cl>='97')&&(cl<='122')
第3题
A.'A'<=c1<='Z'
B.(c1>=A)&&(c1<=Z)
C.('A'>=c1)‖('Z'<=c1)
D.(c1>='A')&&(c1<='Z')
第4题
A.'a'<=c1<='z'
B.(c1>=A)&&(c1<=z)
C.('a'>=c1||('z'<=c1)
D.(c1>='a')&&(c1<='z')
第5题
A)kk>='A'&&kk<='Z'
B)!(kk>='A'||kk<='Z')
C)(kk+32)>='a'&&(kk+32)<='z'
D)isalpha(kk)&&(kk<91)
第6题
A.'a'<=c<='z'
B.(c>=A) &&(c<=z)
C.('a'>=c) | | ('z'<=c)
D.(c>='a') &&<c<='z')
第7题
A.'a'<=c1<='z'
B.(c1>='a')&&(c1<='z')
C.(c1>=a)&&(c1<=z)
D.(‘a'<=c1)||('z'>=c1)
第8题
A.kk>='A'&&kk<='Z'
B.!(kk>='A'||kk<="Z")
C.(kk+32)>='a'&&(kk+32)<='Z'
D.isalpha(kk)&&(kk<91)
第9题
A)isupper(c)
B) 'A'<=c<='Z'
C) 'A'<=c&&c<='Z'
D)c<=('2'-32)&&('a'-32)<=c