Which approach is often used to describe the position, structure, or three-dimentional relationship of objects
A、Chronological sequence.
B、Spatial relation. 
C、Cause and effect. 
D、Induction.
Which approach is often used to describe the position, struc - Unit 7 Developing Your Presentation - 通用学术英语听说 - U校园 | 大学网课搜题引擎