It's good that we _________to the park because it's started to rain.
A. don' t go
B. hadn' t gone
C. didn' t go
D. wasn' t going
第1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";
第2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:String s="home directory"; String t=s-"directory";
A.Ⅱ、Ⅲ
B.Ⅱ、Ⅳ
C.Ⅰ、Ⅳ
D.Ⅲ、Ⅳ
第3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";
第4题:
下列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"
第5题:
下列的( )程序段可能导致错误。
A.String s="hello": Sting t="good"; String k=s+t;
B.Sting s="hello"; String t; t=s [3] + "one";
C.Sting s="hello"; String standard=s.toUpperCase( );
D.String s="hello": Stringt s +"good";
第6题:
执行以下程序段后,输出结果是() 。 char s[20]= "Good",t[]="Moring!"; strcat(s,t); puts(s);
A.GoodMoring!
B.Moring!
C.Good
D.Moring!Good