尽职调查的主要内容不包括()。
Import for the first three months this year is larger than that for the_____ period last year.
男性,33岁,重体力劳动工人,腰腿痛,并向左下肢放散,咳嗽,喷嚏时加重。检查腰部活动明显受限,并向左倾斜,直腿抬高试验阳性。病程中无低热、盗汗、消瘦症状。首先考虑的诊断是
呃逆属虚证时,其特征是