____ (who)cameras are these?Are they____ (you)?
如图,△ABC是⊙o的内接三角形,AC=BC,D为 ⊙o中弧AB上一点,延长DA至点E,使CE=CD.(1)求证:AE=BD;(2)若AC⊥BC,求证:AD+BD=2CD.
Tom said they ____ come back the next morning.
蔑视____
竣工____
恶劣____
回击____
____