【简答题】制药厂尤其是化学制药厂在生产过程中大多具有腐蚀性,设备需要定期 或 。
【判断题】To other Europeans, the best known quality of the British, and in particular of the English, is hospitality.
【多选题】To other Europeans, the best known qualities of the British are_____ .
【简答题】在shell中的算术运算符主要包括:加“+”、减“-”、乘“*”、除“\”、求余“%”和( )
【单选题】To other Europeans, the best known quality of the British, and in particular of the English, is .