我国海南亚龙湾附近的野猪岛海域是我国最重要的红树林保护区。
参考答案：错
严禁胶轮车（）挡以上起步。
A、一
B、二
C、三
D、四
Which of the following most accurately describes the relationship between the average total cost (ATC) curve and the average variable cost (AVC) curve The vertical distance between the ATC and AVC curves:（）
A. decreases as output increases.
B. increases as output increases.
C. remains constant as output increases.
