【单选题】It is (1) matter of common experience that one can describe (2) position of (3) point in space by three numbers, or coordinates. For example, one can say that (4) point in (5) room is two meters from ...
【简答题】The constancy of human nature is proverbial, as no one believes that a man can fundamentally change his nature. This is why it is so difficult for one who acquired an unsavory reputation to re-establi...
【单选题】Click Women are beginning to experience that click! of recognition—that moment of truth that brings a gleam to our eyes and means the revolution has begun. Those clicks are coming faster, and women ar...