楼梯平台过道处的净高不应小于()。
A.1.80m
B.2.00m
C.2.20m
D.2.50m
参考答案:B
有如下程序 #include<iostream> #include<iomanip> using namespace std; int main(){ cout<<setprecision(3)<<fixed<<setfill('*')<<setw(8); cout<<12.345<<_______<<34.567; return 0; } 若程序的输出是: ** 12.345**34.567 则程序中下划线处遗漏的操作符是
A.setprecision(3)
B.fixed
C.setfill('*')
D.setw(8)
A: Li Lei, _____ is my brother. _____ are his books.
B: Nice to meet you, Li Lei.[ ]
A. this, These
B. That, this
C. Those, these
D. Those, that