摄像机是一种把景物光像转变为电信号的装置。其结构大致可分为三部分:()
A.光学系统
B.光电转换系统
C.电路系统
D.电光转换系统
参考答案:A, B, C
企业为员工提供充分培训与开发的条件和机会,最终目的是()。
A.增强员工自身的竞争优势
B.提高企业竞争力
C.创造员工和企业双赢的结果
D.为企业的战略服务
Questions 24 and 25 are based on the following news. At the end of the news item, you will be given 20 seconds to answer the questions. Now, listen to the news.
The mission of the team U.N. Secretary-General Kofi Annan intended to send to Israel is
A.to appoint another team of fact-finders.
B.to run over the group’s composition.
C.to find the facts about the Jenin refugees.
D.to give a green light to the mission.