A: “I am a student”
B: ‘江苏南京’
C:
D: 02/25/1999
E:
F: 123
G:
举一反三
- 下列（）是日期型常量 A: “江苏南京” B: 123# C: #02/25/1999# D: “Iamastudent”
- 下列（）是日期型常量 A: “江苏南京” B: 123# C: #02/25/1999# D: “Iamastudent&rdquo
- 以下是常量的是（）。 A: 123 B: "student" C: false D: student
- 下列属于字符型常量的是()。A.()123B.()1.2e3C.()$123D.()'123'
- 下列程序的运行结果是（）。class student{function _construct(){echo "I am a student .<br>";}function teacher(){echo "I am a teacher";}}$per=new student(); A: I am a studentI am a teacher B: I am a student C: I am a teacher D: 无任何输出
内容
- 0
已知s1="I "am a student.",s2='I \'am a student',则print(s1,s2)的输出结果为( ) A: I 'am a student. I 'am a student B: I "am a student. I 'am a student C: I "am a student. I \'am a student D: 程序报错
- 1
设串S1='I AM'，S2=' A STUDENT'，则ConcatStr(S1,S2)=( )。 A: 'I AM' B: 'A STUDENT' C: 'I AM A STUDENT' D: 'IAMASTUDENT'
- 2
对于用字符数组和字符指针变量处理字符串，下列定义的语句，错误的是（）。 A: char str[20]; str ="I am student”; B: char *str;str =“I am studen”; C: char str[20] =“I am studen”; D: char *str = {“I am studen”};
- 3
下面语句的输出结果( )。<?php$str1="I am student ";$str2="Lily";$str3=str_replace("student",$str2,$str1)echo $str3;?> A: I am student B: I am Lily C: Lily am student D: I am student Lily
- 4
【单选题】如果输出语句:printf(“I am “student" you is teacher "). 显示内容? A. I am “student" you is teacher B. I am student you is teacher C. I am student you is teacher D. I am “student" you is teacher