【简答题】请认真阅读下面这篇文章,根据要求写一篇短文。 In most schools, students in one class have the same schedule (时间表). But at Beijing National Day School, each of the 4,174 students can build their own class timetable. The scho...
【单选题】Managing a software development project is much harder than managing a road construction project. Which one of the following is NOT a major reason of this?