5.
如图,BC⊥AE于点C,CD∥AB,∠B=55°,则∠1等于( )
| A. | 55° | B. | 45° | C. | 35° | D. | 25° |
4.
如图,几何体的俯视图是( )
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| A. | B. | C. | D. |