与文件系统相比，数据库系统最突出的优点是数据结构化和______。
参考答案：数据高度共享
在幼儿时期或受试儿童困倦时可出现的脑电波是
A．α波 B．β波 C．θ波 D．δ波 E．α阻断波
句子翻译。
1. In the afternoon, I'll show you around and_____________________(带你参观一些名胜古迹).
2. It would ____________(对我来说很重要) to listen to the tape and learn what is covered in the talk.
3. I'd like to tell you that our school ______________________(已经做出了一个新的规划).
4. In short, the students _________________(还没有达成一致).
5. In my opinion, Jiangcheng should______________________(科学地发展经济).
