题目
A.'A'<=c1<='Z'
B.(c1>=A. &&(c1<='z')
C.('A'>=c1)||('Z'<=c1)
D.(c1>='A')&&(c1<='Z')
第1题
A.'a'<=c1<='z'
B.(c1>=A. &&(c1<='z')
C.('a'>=c1)||('z'<=c1)
D.(c1>='a')&&(c1<='z')
第2题
A.‘a’<=c1<=’z’
B.(c1>=’A’)&&(c1<=’z’)
C.(‘a’>=c1)||(‘z’<=c1)
D.(c1>=’a’)&&(c1<=’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.‘A’<=ch<=‘Z’
B.(ch>=“A”)&&(ch<=“Z”)
C.(ch>=‘A’)&&(ch<=‘Z’)
D.(ch>=‘A’)AND(ch<=‘Z’)
第5题
A.'0'<=c1<='9'
B.('9'>=c1)&&('0'<=c1)
C.(c1<='9')||(c1>='0')
D.(c1>='9')&&(c1<='0')
第6题
A.('a'>=cl) || ('z'<=cl)
B.(cl>=a) && (cl<=z)
C.'a'<=cl<='z'
D.(cl>='a') && (cl<='z')
第7题
A.'a'<=cl<='z'
B.(cl>=a)&&(cl<=z)
C.('a'>=cl)||('z'<=cl)
D.(cl>='a')&&(cl<='z')
第8题
A.('a'>=ch)||('z'<=ch)
B.'a'<=ch<='z'
C.(ch>=a)&&(ch<=z)
D.(ch>='a')&&(ch<='z')
第9题
A.'A'<=x<='Z'
B.(x>=A)&&(x<=Z)
C.('A'<=x)&&('z'=>x)
D.(x>='A')&&(x<='Z')
第10题
A.'A' <= x <='z'
B.(x>=A) && (x <= Z)
C.('A'<= x) && ('Z' >= x)
D.(x >='A') && (x <='Z')
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