胸外伤后,出现胸壁软化,是因为______
A.单根肋骨单处骨折B.相邻多根肋骨多处骨折C.单根肋骨多处骨折D.多根肋骨单处骨折E.胸骨骨折
参考答案:B
— Good morning. I've got an appointment with Miss Smith in the Personnel Department.
— Ah, good morning. You ______ be Mrs Peters. [ ]
A. might
B. must
C. would
D. can
常用的Office应用程序是()
A、Word
B、Excel
C、powerpoint
D、Messenger