选择救助船时如条件允许应优先选择()船。
A、外国
B、本国
C、邻近小船
参考答案:B
— I called you last night, but nobody answered.
— Oh, I usually _____ off my call phone by 8:00 p.m. [ ]
A. switched
B. have switched
C. switch
D. had switched
商品的保管与养护中贯彻“以防为主、防重于治、防治结合”的方针,其中()是指不使商品发生质量上的降低和数量上的减损。
A.治
B.防
C.商品盘点
D.商品修复