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