农产品是必需品，但土地经营规模并非越大越好，需要发展土地适度规模经营。（    ）
A、正确
B、错误

多项选择题下列属于特级动火作业的有（）

单项选择题Which of the following inventory valuation methods is likely to lead to the highest figure for closing inventory at a time when prices are dropping? A. Weighted Average cost B. First in first out (FIFO) C. Last in first out (LIFO) D. Unit cost