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Down Syndrome最可能出现A.毛发干燥.稀疏,皮肤粗糙B.先天性心脏病C.身材矮小,体重正常D.手掌ATD角<58°E.脑电图异常
Washing the food down with water as a substitute ______chewing is not a good habit.A. ofB. forC. toD. from
Black and white must be ______from each other, must be unable to communicate.A. cut downB. cut outC. cut offD. cut up