写反义词。
美一( ) 恨一( ) 贫一( ) 冷一( )
黑一( ) 旧一( ) 饥寒一( ) 肮脏一( )
丑 爱 富 暖
白 新 温饱 干净
He looks sad. Let’s cheer him up.
A.let him down.
B.Make him happy
C.make him pleasure
D.disappoint him
抛射绳有4根,每根绳长度应为()
A、200米
B、300米
C、400米