—_____ my friend, Tony.
—Hello, Tony. [ ]
A. It is
B. They are
C. This is
D. She is
答案:C
救护人员深吸气后,与伤员口对口紧合,在不漏气的情况下,先连续大口吹气()次。
A.一
B.二
C.三
D.四
甲亢内科治疗停药首选化验室检查()
A.FT3、FT4
B.TT3、TT4
C TRAb
D.甲状腺摄131I率