【单选题】听力原文: Advertising is the tool that has always been used to convince the public to buy products. In the beginning, it was a basic and crude tool. Craftsmen cried out to passers-by, telling the quality ...
A.
By door to door advertising.
C.
By verbal announcements.
【判断题】维生素 B 12 分子中含有金属离子钴。
【判断题】审计重要性在计划阶段初步确定后,就不应再变动,以保证审计工作的稳定。
【简答题】第一节 磁是什么练习.doc 手写拍照上传
【判断题】企业同时生产多种产品,保本点既可以实物量表示,也可以金额表示。( )
【单选题】What does the professor mentioned ancient Romans?
A.
To explain that they didn't paint the walls and ceiling of buildings.
B.
To point that they first made the term "fresco" popular.
C.
To make the point that frescoes were created before the Renaissance.
D.
To introduce an important difference between ancient art and Renaissance art.