相关行业产品价格上升，会导致本行业成本增加，利润下降，对行业发展起到不利影响。
参考答案：错
Her friend did everything in his ____ to help with her business. [ ]
A. disability
B. power
C. strength
D. force
为什么从中蒙边界到我国东北地区和长江中下游地区是温带气旋发生发展及活动的频繁区？
