题目
如图,矩形ABCD的边CD上有一点E, , ,垂足为F,将 绕着点F顺时针旋转,使得点A的对应点M落在EF上,点E恰好落在点B处,连接BE.下列结论:① ;②四边形EFBC是正方形;③ ;④ ,其中结论正确的为.(填写序号即可) 答案:【1】①②④
Mr.Smith, _________ of the _________ speech, started to read a novel.
[ ]
A.
tired; boring
B.
tiring; bored
C.
tired; bored
D.
tiring; boring