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【单选题】
下列哪些制动器是不带停放制动的() ①PC7Y②PEC7F③PC7YF④PEC7
A.
②④
B.
①②③
C.
①③④
D.
①④
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【多选题】Which three of the protocols below belong to the application layer? (Select three answer choices)
A.
ARP
B.
HTTPS
C.
SMTP
D.
CDP
E.
TFTP
F.
ICMP
【单选题】下列程序中,若从键盘中输入的是大写字母C,则程序输出的结果是( )。 Importjava.io.*; publicclassExam{ publicstaticvoidmain(Stringargs[]){ intch=0; System.out.println('输入一个字符:'); try{ ch=System.in.read(); charch_A='A',ch_Z='Z' intdelt...
A.
C
B.
Y
C.
X
D.
字母C的ASCII码的整型值
【简答题】Questions 35-37 According to the text which THREE of the following conditions have been scientifically proved to have a psychological effect on humans? Choose THREE letters A-G and write them in boxes...
【多选题】Which three of the following are not listed in the passage?
A.
Laws preventing cyclists from carrying documents in backpacks
B.
Education of drivers
C.
Action taken by employers to support employees who cycle
D.
Laws requiring cyclists to wear helmets
E.
System of cycling pathways or special  lanes for cyclists
F.
Policies requiring cyclists to wear bright- coloured clothing
【单选题】对应急广播系统扬声器清洁维护时,下列做法正确的是 _。
A.
自行拆卸扬声器
B.
用水冲洗扬声器
C.
用湿布擦拭扬声器
D.
用吹风机吹扫扬声器表面
【简答题】Questions 30-32 Which THREE of the following does the writer regard as a feature of creative families? Write the appropriate letters A-F in boxes 30-32 on your answer sheet. A——a higher than average l...
【单选题】下列程序中,若从键盘中输入的是大写字母C,则程序输出的结果是( )。 Importjava.io.*; public class Exam{ public static void main(String args[]){ int ch=0; System.out.println('输入一个字符:'); try{ ch=System.in.read; charch_A='A',ch_Z='Z'; i...
A.
C
B.
Y
C.
X
D.
字母C的ASCIl码的整型值
【多选题】按课程介绍的内容对工作分解结构进行编码,如果某任务编码为1210,其表示( )。
A.
该任务属于第三层中的一项任务
B.
该任务属于第四层中的一项任务
C.
整个工作分解结构共有三层
D.
整个工作分解结构共有四层
【简答题】写出下列程序段的输出结果。(假设此栈中元素的类型是char) voide main( ) {stack s; char x,y; InitStack(s) x=‘1’,y=‘0’ push(s,x); push(s,x); push(s,y); push(s,x); push(s,‘e’); push(s,x); pop(s,x); push(s,‘h’); while(!stackEmpty(s...
【单选题】下列程序中,若从键盘中输入的是大写字母C,则程序输出的结果是( )。
A.
C
B.
Y
C.
X
D.
字母c的ASCIl码的整型值
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