【简答题】2拓展练习:旋转及阶梯剖视图混合巧妙的表达.docx
【单选题】What’s the meaning of “principle” in “ These machines both work on the same principle. ”?
【单选题】What is the company's business principle?
A.
provide customers with high quality service
B.
provide customers with better goods
C.
provide customers with large quantity of power
D.
provide customers with competitive prices
【多选题】What are the “Three C’s” principle ?
【简答题】What is the three C’s principle? What are the principle parts of a business letter?