3.045是由______个一、______个百分之一和______个千分之一组成.
3.045是由3个一、4个百分之一和5个千分之一组成.
故答案为:3,4,5.
口外支抗矫治器有()
A.颈带牵引矫治器
B.简单头帽口外牵引矫治器
C.口外垂直牵引矫治器
D.口外上颌前方牵引矫治器
E.头帽、颏兜牵引矫治器
Brian said he was _____, but the doctor couldn't find his _____.[ ]
A. injured; injured
B. injury; injury
C. injured; injury
D. injury; injured