A. substantial
B. equal
C. misleading
D. heavy
第1题:
写出下列程序的运行结果【 】。
include <iostream.h>.
include <fstream.h>
include <stdlib.h>
void main()
{
fstream outfile, infile;
outfile.open("data.clat", ios:: out);
if(!outfile)
{
cout<<"Can't open the file."<<end1;
abort();
}
outfile<<" 1234567890"<<end1;
outfile<<"aaaaaaaaa"<<end1;
outfile<<"**********"<<end1;
outfile.close();
infile.open("data. dat ", ios:: in);
if(!infile)
{
cout<<"Can't open the file."<<end1;
abort();
}
char line[80];
int I=0;
while(!infile. eof())
{
I++;
infile.getline(line, sizeof(line));
cout<<I<<":"<<line<<end1;
}
infile.close();
}
第2题:
---- Look! The man at the gate ________ be our headmaster. He is always standing there every morning.
--- - No, it ________ be him. He is holding a meeting in the office now.
A.must, can’t B.must, mustn’t C.can’t, can’t D.can’t, mustn’t
第3题:
第4题:
下面关于CAN总线的叙述中,正确的是:()。
A.CAN能够实现多主通信方式
B.CAN通信时采用奇偶校验方式
C.各型ARM芯片均没有内嵌CAN控制器,只能通过外扩CAN控制器的方式才能形成CAN节点接入CAN总线
D.CAN采用长帧通信,一个数据帧最多可以传送128个字节
第5题:
请在(18)处填上最佳答案。
[A] presented
[B] restricted
[C] recommended
[D] introduced
第6题: