【单选题】Does the celebration of Tsagaan Sar last a month?
A、Yes
B、No
A、Yes
B、No
A、short with a few words
B、long with lots of words
C、complete
D、very concrete with details
A、keep
B、limit
C、control
D、include
The differential equationsatisfies the two necessary requirements for applying the principle of superposition; i.e., the loadis ( ) related to the deflection, and the load is assumed not to change significantly ( ) of the beam.
A、linearly, the original geometry
B、nonlinearly, the original material
C、linearly, the original material
D、linearly, the original load
A、doors, windows,
B、cupboards, wardrobes
C、cases
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