详细设计的基本任务中包括（）。
A.数据流设计
B.人机对话设计
C.数据库的逻辑设计
D.软件结构设计
参考答案：B
上臂部受伤后出现腕下垂，此时最可能是
A．肱骨颈骨折
B．肩关节脱位
C．肱骨干骨折
D．锁骨骨折
E．肱骨髁上骨折
Tom _____ the girl that he _____ four years ago. [ ]
A. married; engaged
B. was married to; was engaged
C. has been married to; was engaged to
D. married with; was engaged in
