信号筛管的缝隙、直径与生产筛管基本相同,只是长度较短,一般为1~2m。
参考答案:对
下面程序的输出结果是( )。 #include<iostream> using namespace std; int main() { int n=10; while(n>7){ n--; cout<<11<<','; } cout<<endl; }
A.10,9,8,
B.9,8,7,
C.10,9,8,7,
D.9,8,7,6,
There is one suggestion that the footsteps of crowds walking the streets in major cities could () energy.
A.assemble
B.gather
C.generate
D.yield