手厥阴心包经在四肢的分布是（）。
A.上肢内侧前缘
B.上肢外侧前缘
C.上肢内侧后缘
D.上肢外侧中线
E.上肢内侧中线
参考答案：E
A nursery sells trees of different types and heights. Suppose that 75 pine trees are sold for planting at City Hall. These 75 trees average 60 inches in height with a standard deviation of 16 inches. Using this information, construct a 95 percent confidence interval for the mean height of all trees in the nursery:（）
A. 60±1.96(16).
B. 0.8±1.96(16).
C. 60±1.96(1.85).
写生中，使用线刻画物体形象结构的画法，称为（）写生，这种画法比较细致，来龙去脉交代得清楚，适于描绘结构的变化。
A.淡彩
B.衬影法
C.线条
D.线描
