世博会上展示的胶卷、电影、电视转播等多彩的影视技术将人们带入了（）的时代。
A．家庭娱乐
B．互动体验
C．虚拟影像
参考答案：C
The research project has only been under way for three months, so it's too early to________its success. [ ]
A. conclude
B. evaluate
C. indicate
D. reveal
影响出钢温度的因素有哪些？
