【简答题】下列有关字符串运算的命令,在程序文件方式中的运行结果是"____________"。 "12" + "34"
【单选题】RS-485 接收器的最小阻抗是( )。
【单选题】已知c.txt文件内容是:abcd,那么下列程序的运行结果是()(选择一项)
A.
abcdThe dumplings is deliciousI like to eat it
B.
The dumplings is deliciousI like to eat it
D.
The dumplings is delicious I like to eat it
【简答题】下列jsp文件运行的结果是
<% session.setAttribute("name","aa");
application.setAttribute("name","bb");%>
${name}A. aa B. bb C. 无输出 D. 无法正确编译,服务器报错
【简答题】将下面的单词和句子与之正确的解释配伍。 1.memorize 2.Long time no see. 3.The pay is good. 4.the hardest part of it is that. 5.It’s a challenge . 6.Will it affect my study? 7.I have managed well. 8. have a try. a. Will it...
【单选题】下列程序的运行结果是______。 package ch1; import java.io. *; public class ex28 { public static void main (String args [] ) throws IOException { try { File f1 = new File('ch1//dir28'); f1.mkdir(); File f2 = new F...
A.
在目录ch1下建立一个目录dir28,并且建立文件file28.txt,在文件中写入'Otimes 1 times'
B.
在目录ch1下建立一个目录dir28,并且建立文件file28.txt,在文件中写入“l times”
C.
在目录chi下建立一个目录dir28,并且建立文件file28.txt,在文件中写入“Otimes”
【简答题】从方框中选择恰当的词或短语并用其正确的形式填空。 offer me help; take place; keep it secret to oneself; enjoy oneself; get off; look through; quick; have a week off; be crazy about; make mistakes; 小题1:T...
【单选题】没有梁架的拱券结构一般常用于_____。