【简答题】HTML是结 构化描述语言 , 一个HTML 文档, 书 写 格式 如 下:
【单选题】The author cites examples in order to illustrate ______.
A.
what a distributed system is
B.
advantages of distributed systems over centralized systems
C.
the development of the distributed system
D.
the wide application of distributed systems
【简答题】(本小题满分12分)极坐标方程为 的直线L与 轴的交点为 ,与曲线 ( 为参数)交于 (Ⅰ)写出曲线 和直线 L 的直角坐标方程;(Ⅱ)求
【简答题】直线y=2x﹣3和直线y=x﹣1的交点坐标为( ).
【单选题】New Orleans is cited as an example of cities______.
A.
searching actively for fresh advantages
B.
failing to weigh rebuilding risks against returns
C.
focusing on people instead of buildings
D.
responding effectively to economic depression