题目
A.c>='A' && c<='Z'
B.c >= 'A' || c<='Z'
C.c < 'A' && c > 'Z'
D.c < 'A' || c > 'Z'
第1题
A.'A'<=x<='Z'
B.(x>=A)&&(x<=Z)
C.('A'<=x)&&('z'=>x)
D.(x>='A')&&(x<='Z')
第2题
A.'A' <= x <='z'
B.(x>=A) && (x <= Z)
C.('A'<= x) && ('Z' >= x)
D.(x >='A') && (x <='Z')
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.'0'<=c1<='9'
B.('9'>=c1)&&('0'<=c1)
C.(c1<='9')||(c1>='0')
D.(c1>='9')&&(c1<='0')
第5题
A.‘a’<=c1<=’z’
B.(c1>=’A’)&&(c1<=’z’)
C.(‘a’>=c1)||(‘z’<=c1)
D.(c1>=’a’)&&(c1<=’z’)
第6题
A.‘a’<=c1<=’z’
B.(c1>=’A’)&&(c1<=’z’)
C.(‘a’>=c1)||(‘z’<=c1)
D.(c1>=’a’)&&(c1<=’z’)
第7题
A.‘A’<=ch<=‘Z’
B.(ch>=“A”)&&(ch<=“Z”)
C.(ch>=‘A’)&&(ch<=‘Z’)
D.(ch>=‘A’)AND(ch<=‘Z’)
第8题
A.ch>='A'&& ch<='z'
B.ch>=65&& ch<=90
C.ch>=65&& ch<='A'+25
D.ch>='A'&& ch<='A'+26
第9题
A.isupper(c)
B.'A'<=c<='Z'
C.'A'<=c&&c<='Z'
D.c<=('z'-32)&&('a'-32)<=c
第10题
A.’a’<=c1<=’z’
B.(c1>=a)&&(c1<=z)
C.(‘a’>=c1) (‘z’<=c1)
D.(c1>='a’)&&(c1<='z’)
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