________ engineering is a civil engineering branch focusing on the framework of structures.

Systems<br/>engineering is only applicable to natural engineering, not social<br/>engineering. ( )

Has elasticity theory found its applications in which of the following engineering areas? A: Civil engineering B: Mechanical engineering C: Aeronautical and aerospace engineering D: Materials science and engineering

As a ________ field of the engineering branches, civil engineering can be divided into various sub-disciplines.

For civil engineering, we have several choices in future, which is right: ( ) A: structural engineering B: geotechnical engineering C: bridge engineering D: building construction