A. 100 B. 120 C. 150 D. 180
A. 正确 B. 错误
A. Distribution B. Processing C. Sales and processing D. Changing the length, thickness and the package of the goods
A. 7.8/10万; B. 7.5/10万; C. 7.1/10万; D. 7.0/10万; E. 1.5/10万。