含金2%,银3%,铜15%,铁80%的未锻造金属合金锭
参考答案:19(71081200)
It was in the garden of his old house ______ he grew up ______ he dug up a pot of gold.
A.that; that
B.where; where
C.that; where
D.where; that
下列各项中哪项是错误的()
A.固连牙可表现为低于面1~3mm
B.恒牙未在正常位置萌出称为异位萌出
C.乳牙比平均萌出时间晚1年以上萌出称为迟萌
D.诞生牙是多生牙
E.恒牙萌出时牙根未完全发育完成