【单选题】听力原文:Today, most countries in the world have cs. Goods can be moved cheaply by boat than any other means of transport. Some cs, such as the Suez or the Panama, save ships weeks of time by maki...
A.
How Aswan Dam was buik.
B.
Transporting with c boats.
【单选题】PC计算机中运算器和控制器统称为( )。
【判断题】在Dreamweaver工具中,模板是制作网页时能够重复使用的特殊文档,后缀为htm。
【单选题】在微型计算机中,运算器和控制器统称为()
【判断题】改进客户服务是创造物流企业持久竞争优势的有效手段。