血清铜和铜蓝蛋白同时升高见于（）
A.肝硬化
B.骨折
C.感染
D.妊娠
E.贫血
参考答案：A
When the audience heard the alarm, they all hurried to they thought was an emergency exit door.[ ]
A. what
B. which
C. where
D. who
简述对报纸印刷生产的基本要求。
