Jack was born ___________ May 5th, 1980.[ ]
A. in
B. at
C. on
D. /
答案:C
灭菌后的治疗巾包打开后,剩余的治疗巾有效期为
A.<4h
B.<12h
C.<24h
D.<36h
E.<48h
舌骨上肌群不包括()
A.胸锁乳突肌
B.下颌舌骨肌
C.二腹肌
D.茎突舌骨肌
E.颏舌骨肌