①CCl4和水②乙醇和甘油③乙醛和水④苯和水⑤己烷和水⑥环己烷和苯⑦溴苯和水.
中国民族工业得到初步发展,民族资本主义作为新的政治力量开始登上历史舞台的时间是( )
We were dying to hear the announcement of the winner of the race.