使用中压干式回烧防止器时,要求乙炔所含()要低。
A.水分和杂质
B.烟尘
C.净化剂
参考答案:A
On the sea near Diaoyu Island, ____ Chinese fishing boat was stopped by the Japanese and ___ sailors
were arrested illegally.[ ]
A. a; the
B. the; the
C. a; 不填
D. the; 不填
会计核算应当以实际发生的交易或事项为依据,如实反映企业的财务经营成果和现金流量,这是会计核算的______。
A.客观性原则 B.重要性原则 C.可比性原则 D.相关性原则