企业通过ISO 9000认证后,企业贯标认证的所有工作就全部完成。
参考答案:错
If you let challenges and difficulties benefit ______ depress you, much more can be accomplished than you thought possible.
A.more than
B.rather than
C.less than
D.other than
选择储罐区泡沫灭火系统时,()应当选用液上喷射或半液下喷射泡沫系统。
 ;
A.水溶性甲、乙、丙液体的固定顶储罐
B.水溶性液体的立式储罐
C.烃类液体外浮顶储罐、内浮顶储罐、直径大于18m的固定顶储罐
D.外浮顶和内浮顶储罐