如图,梯形ABCD中,AD∥BC,∠ABC=2∠BCD=2α,点E在AD上,点F在DC上,且∠BEF=∠A.
通过下列哪一事件,中国农民实现了千百年来“耕者有其田”的梦想( )
30° 120°
——What about going swimming this afternoon?
——You ______ be joking! Don't you know I'm afraid of water?