如果把多媒体创作工具按创作特点来分类,可分为()。①基于时间序列②基于流程图③基于动画④基于描述语言或描述符号
A、①②③
B、①②④
C、②③④
D、①②③④
参考答案:B
Part A You will hear a lecture about shingles, an infectious disease. As you listen, answer Questions 1 to 10 by circling TRUE or FALSE. You will hear the talk ONLY ONCE. You now have 1 minute to read Question 1 to 10.Questions 1 to 10:
Both shingles and chickenpox are caused by the same virus.
二次系统上的工作人员在工作前应了解下列哪些事项?()
A、工作地点、范围
B、一、二次设备运行情况
C、安全措施、试验方案
D、上次试验记录