The abbreviation C0W in tanker operations stands for（）. ["crude oil washing","coming off wreck","crew on watch","cold of wind"]
在社会主义现代化建设的整个过程中，必须坚持四项基本原则，反对资产阶级（）。 ["自由化","腐朽化","享乐主义","民主化"]
显示图层调板的快捷键是（）。 ["F5","F9","F3","F7"]
下列列关于食品有毒金属污染的防控措施，不正确的是（） ["停止使用含砷、东的剧毒农药","对食品进行深加工","防止滥用食品添加剂","积极治疗工来三废"]
The additional cargo is to be loaded（）board our ship. ["on","in","from","with"]
根据微生物生活是否需要氧气，微生物可分为哪几类？这样的分类在污水处理中有何重要意义？
