亚里士多德提出了科学知识体系的理论化设想，并创立了相应的逻辑工具——（）。
参考答案：公理方法
车场内在接近被连挂车辆时的速度为（）km/h、（）km/h.
Plastic bags are provided for our convenience but they have also______ the pollution of the environment. [ ]
A. adapted to
B. turned to
C. contributed to
D. looked forward to
