___________ Great Wall is ___________ longest wall in the world.
A:The, the
B:A, a
C:The;a
Hello ! My name is LiQiang . There are four people in my family . My father is a worker . My mother is a farmer . My little sister is a pupil. I am a pupil , too . We are in the same school .
17世纪末到18世纪中期,英国的重商主义者主张高工资,提出经济发展的“外国支付收入”理论,认为出口高附加值的产品意味着外国将为出口国家支付工资和利润。这—理论在当时得以实现的主要条件是( )