|-3|=( )
A.-3
B.-2
C.3
D.2
|-3|=3,
故选:C.
有关牙的描述错误的是
A.分恒牙和乳牙
B.乳儿自6个月萌生乳牙,13岁左右全部出齐
C.切牙、尖牙为单根牙
D.牙颈外包以牙龈
E.牙分为牙冠、牙颈、牙根
It makes no________which road you take;both lead to the city,and they are equally long.[ ]
A.point
B.sense
C.matter
D.difference