原材料的来源、价格及可靠性是决定项目规模和经济效益的( )因素之一。
A．基本B．重要C．关键D．不可缺少
参考答案：C
电影和戏剧的关系是我们要彻底丢掉戏剧的拐棍，回归电影的本真。
Passage 2
Among the following factors, which contribute(s) to the short life expectancy of the Americans than Britons a. Traffic accident. b. Homicide rate. c. Inadequate access to the Medical Insurance by the Americans. d. Both A and B.
