Can you write a report______ wild animals______ danger for the newspaper?
A:about; on
B:on; in
C:to; from
D:in; of
图中1、2、3分别代表入射波、反射波、折射波的波线,则( )
- Goodbye.
如图,AC=AD,BC=BD,∠1=35°,∠2=65°,则∠C=____ °.