【多选题】西汉时期对于某一区域能否直接统治的标准是?
【判断题】天气热的情况下,防护服可以披着,不用扣住。
【单选题】Our English teacher is her work. [ ]
【单选题】The main difference between the 'R' strain and the 'S' strain lies in their__________. 查看材料
A.
quantities of salt consumed
B.
choice of mating partner