间接维持子宫前位的韧带是()
A.圆韧带
B.阔韧带
C.卵巢固有韧带
D.主韧带
E.宫骶韧带
参考答案：E
《红楼梦》中的林黛玉，其动作稳定缓慢，观察事物细致入微，敏感多疑，孤独多虑，情感体验深刻且持久。林黛玉的气质类型属于（）
A.多血质
B.黏液质
C.胆汁质
D.抑郁质
E.兴奋质
Which of the following statements regarding marginal costs (MC) and average variable costs (AVC) is most accurate（）
A. MC = AVC when AVC is at its minimum.
B. MC ＜ AVC when AVC is at its minimum.
C. MC = Average total cost when AVC is at its minimum.
