【单选题】This performance is a big stride, ______, towards adapting the western mind to the traditional Chinese opera.
【判断题】用于制冷剂R12或R134a的空调压力表是不可互换使用的,原因是这两种制冷剂和冷冻油是不能混用的,否则会对空调制冷系统造成严重伤害。
【多选题】Western opera is a combination of
【单选题】Which part is Beijing Opera especially good at and very different from Western opera?
【多选题】What types of music is suitable for Western restaurants?
【多选题】Western opera is a combination of( ).
【单选题】This opera is one of the cultural _________ of Western civilization.