【单选题】采用 4 位比较器 7485 对两个四位二进制数进行比较时,先比较 位。
【单选题】下列的哪个程序段可能导致错误? ( )
A.
String s='hello'; String t='good'; String k=s+t;
B.
String s='hello'; String t; t=s[3]+'one';
C.
String s='hello'; String standard=s.toUpperCase();
D.
String s='hello'; String t=s+'good';
【单选题】采用4位比较器7485对两个四位二进制数进行比较时,先比较 位。
【单选题】I met Lucy yesterday. But she gave me a cold shoulder.
B.
she was unfriendly to me
C.
she was friendly to me
【简答题】根据音标写单词。 1. She ____________ me ____________ to drive. 2. I always ____________ my daughter in ____________ . 3. Andy likes ____________ very much. 4. I want to become an ____________ teacher. 5. He w...
【单选题】下面的哪些程序段可能导致错误? ( ) Ⅰ:String s='Gone with the wind' String t='good' String k=s+t Ⅱ:String s='Gone with the wind' String t t=s[3]+'one' Ⅲ:String s='Gone with the wind' String standard=s.toUpperCase() Ⅳ...
【单选题】采用4位比较器7485对两个四位二进制数进行比较时,先比较 位。