A:水稻
B:乳酸菌
C:酵母菌
D:蚯蚓
如图,直线AB、CD、EF都经过点O,且AB⊥CD,∠COE=35°,求∠DOF、∠BOF的度数.
Let's go and play ______ ping-pong. I don't want to play ______ violin.
两栖动物大多生活在( )