一般来讲，随着社会的发展，地价呈明显的上升趋势，地价上升的速度( )一般商品价格的上升速度。
A．高于 B．等于 C．低于 D．无法判断
参考答案：A
When examining school-age and adolescent children, the nurse routinely screens for scoliosis. Which statement accurately summarizes how to perform this screening（）
A. Have the child stand firmly on both feet and bend forward at the hips, with the trunk exposed.
B. Listen for a clicking sound as the child abducts the hips.
C. Have the child run the heel of one foot down the shin of the other leg while standing.
D. Have the child shrug the shoulders as the nurse applies mild pressure to the shoulders.
决策树的缺点是（）
A.容易预测连续性的字段
B.不便于理解
C.计算量大
D.过度生长的树会降低可理解性和可用性
