皮皮学,免费搜题
登录
搜题
【单选题】
设有如下程序: #include main() { char ch1,ch2; scanf( “%c%c”,&ch1,&ch2); if(ch1!= 'B’) { switch(ch2) { case'B': switch(ch1) { case 'A':printf( “AB”); break;} case 'B':printf( “BB”); break; } case‘A': switch(ch1) {case 'A':printf( “AA”); break; case 'B':printf( “BA”); break; }}}}} 若执行是从键盘上输入的数据时AB,则输出是
A.
AB
B.
ABAA
C.
ABBBAABA
D.
BBBA
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
.
..
皮皮学刷刷变学霸
举一反三
【单选题】三菱FX3U系列PLC中产生周期为1S时钟脉冲的辅助继电器是( )。
A.
M8013
B.
M8002
C.
M8000
D.
M8003
【单选题】三菱FX3U系列PLC中产生周期为1S时钟脉冲的辅助继电器是(  )。
A.
M8002
B.
M8000
C.
M8013
D.
M8012
【简答题】A.He had many bad habits. B.He had false teeth that were made of wood. C.He established a dental school. D.He once hunted elephants.
【单选题】三菱FX3U系列PLC中产生周期为1S时钟脉冲的辅助继电器是()。
A.
M8002
B.
M8012
C.
M8013
D.
M8014
【单选题】____ ,but he still could not understand it.
A.
Told many times
B.
Having been told many times
C.
He had been told many times
D.
Though he had been told many times
【多选题】梁桥的主要类型包括?
A.
刚构桥
B.
简支梁桥
C.
连续梁桥
D.
吊桥
【多选题】桥梁震害的主要类型包括?
A.
倒塌、主梁移位
B.
墩台破坏
C.
支座破坏
D.
地基及基础破坏
【单选题】三菱FX2N系列PLC中产生周期为1S时钟脉冲的辅助继电器是(  )
A.
M8000
B.
M8002
C.
M8013
D.
M8003
【单选题】When he was doing the software development project, he ___________ many problems that he had to solve on his own.
A.
came up with
B.
came through
C.
came across
D.
came out
【多选题】装配式预应力混凝土丅梁桥内钢筋,主要包括哪些类型?
A.
主要作用为纵向抗弯的主筋
B.
主要用于抗剪的竖向箍筋
C.
主要作用为提高混凝土局部抗压强度的梁端间接钢筋
D.
主要作用为限制表面收缩裂缝的纵向水平钢筋
相关题目: