DRAPL处理线过渡带使用()次,即应报废。
A:5-8;
B:6-10;
C:10-12.
参考答案:A
根据《企业债券管理条例》第二十条,企业发行企业债券所筹资金可以作为任何用途。()
— Oh, you have a headache and a cough. ________ have you been like this?
—Three days. [ ]
A. How long
B. How often
C. How soon