化工自动化系统可分为自动检测系统、自动信号联锁保护系统、自动操纵系统、自动调节系统。
参考答案：对
血浆白蛋白降低（）
A.肝细胞合成功能差
B.自身免疫性肝炎
C.肝硬化
D.肝癌
E.原发性胆汁性肝硬化特征诊断依据
When I talked about the thing,I felt Jane watching me uncomfortably,looking________she wished to
speak.[ ]
A. as though
B. even though
C. so that
D. in case
