________ hard, you’ll succeed. A: A.Work B: B.Working C: C.If you are going to work D: D.To work
________ hard, you’ll succeed. A: A.Work B: B.Working C: C.If you are going to work D: D.To work
简单分支结构语句是( )。 A.DO CASE…ENDCASE B.DO WHILE…ENDDO C.IF…ENDIF D.SCAN…ENDSCAN
简单分支结构语句是( )。 A.DO CASE…ENDCASE B.DO WHILE…ENDDO C.IF…ENDIF D.SCAN…ENDSCAN
________ I really don’t like art, I find his work impressive. A: A.As B: B.Since C: C.If D: D.While
________ I really don’t like art, I find his work impressive. A: A.As B: B.Since C: C.If D: D.While
I would not be seeing the film Green Book now _____ me up in time. A: A.were Kathy not to pick B: B.had Kathy not picked C: C.if Kathy hasn’t picked D: D.if Kathy did not pick
I would not be seeing the film Green Book now _____ me up in time. A: A.were Kathy not to pick B: B.had Kathy not picked C: C.if Kathy hasn’t picked D: D.if Kathy did not pick
下列Python语句正确的是( ) A: A.min = x if x < y else y B: B.max = x > y ? x : y C: C.if (x > y) print x D: D.while True : pass
下列Python语句正确的是( ) A: A.min = x if x < y else y B: B.max = x > y ? x : y C: C.if (x > y) print x D: D.while True : pass
设有定义:inta=1,b=2,C=3;以下语句中执行效果与其他三个不同的是()。 A.if(a>B.C=a,a=b,b=C; B.if(a>B.{C=a,a=b,b=C;} C.if(a>B.C=a;a=b;b=c; D.if(a>B.{C=a;a=b;b=c;}
设有定义:inta=1,b=2,C=3;以下语句中执行效果与其他三个不同的是()。 A.if(a>B.C=a,a=b,b=C; B.if(a>B.{C=a,a=b,b=C;} C.if(a>B.C=a;a=b;b=c; D.if(a>B.{C=a;a=b;b=c;}
在Excel工作表中,正确表示if函数的表达式是[ ]。 A: A.IF(“平均成绩”>60,“及格”,“不及格”) B: B.IF(e2>60,“及格”,“不及格”) C: C.IF(e2>60,“不及格”,“及格”) D: D.IF(e2>60,及格,不及格)
在Excel工作表中,正确表示if函数的表达式是[ ]。 A: A.IF(“平均成绩”>60,“及格”,“不及格”) B: B.IF(e2>60,“及格”,“不及格”) C: C.IF(e2>60,“不及格”,“及格”) D: D.IF(e2>60,及格,不及格)
以下语法正确的if语句是_____________。 A: A.if(x>0)printf(“%f”,x)elseprintf(“%f”,-x); B: B.if(x>0){x=x+y;printf(“%f”,x);}elseprintf(“%f”,-x); C: C.if(x>0){x=x+y;printf(“%f”,x);};elseprintf(“%f”,-x) D: D.if(x>0){x=x+y;printf(“%f”,x)}elseprintf(“%f”,-x);
以下语法正确的if语句是_____________。 A: A.if(x>0)printf(“%f”,x)elseprintf(“%f”,-x); B: B.if(x>0){x=x+y;printf(“%f”,x);}elseprintf(“%f”,-x); C: C.if(x>0){x=x+y;printf(“%f”,x);};elseprintf(“%f”,-x) D: D.if(x>0){x=x+y;printf(“%f”,x)}elseprintf(“%f”,-x);
对于id为“name”的文本框,判断其输入不为空的正确JavaScript代码是()。A.if(document.getElementsByName("name").value.length==0)alert("输入不能为空");B.if(document.getElementByName("name").value=="")alert("输入不能为空");C.if(document.getElementById("name").value=="")alert("输入不能为空");D.if(document.getElementById("name").value.length==0)alert("输入不能为空");
对于id为“name”的文本框,判断其输入不为空的正确JavaScript代码是()。A.if(document.getElementsByName("name").value.length==0)alert("输入不能为空");B.if(document.getElementByName("name").value=="")alert("输入不能为空");C.if(document.getElementById("name").value=="")alert("输入不能为空");D.if(document.getElementById("name").value.length==0)alert("输入不能为空");
比较C≡C, C=C, C─C, C=C─C=C的键长次序为: C=C─C=C>C─C> C≡C >C=C|C=C─C=C>C─C>C=C>C≡C|C≡C>C=C>C─C>C=C─C=C|C─C>C=C>C=C─C=C>C≡C|C─C>C=C─C=C>C=C>C≡C
比较C≡C, C=C, C─C, C=C─C=C的键长次序为: C=C─C=C>C─C> C≡C >C=C|C=C─C=C>C─C>C=C>C≡C|C≡C>C=C>C─C>C=C─C=C|C─C>C=C>C=C─C=C>C≡C|C─C>C=C─C=C>C=C>C≡C