题型:判断题 .—May I close the window? —__________.It’s really a bit cold now.A.You are right.B.Well done.C.Go ahead.D.You are welcome. 查看答案
题型:判断题 ▱ABCD中,O是对角线的交点,不能判定这个平行四边形是正方形的是( )A.∠BAD=90°,AB=ADB.∠BAD=90°,AC⊥BDC.AC⊥BD,AC=BDD.AB=AC,∠BAD=∠BCD 查看答案