化工自动化系统一般包括（）系统。
A.自动检测
B.自动信号联锁保护
C.自动调节
D.自动操纵
参考答案：A, B, C, D
Look and answer. (看图，回答问题)
1. Did you go by bus?
_______________________________.
How did you go?
2. Did you go swimming yesterday?
what did you do yesterday?
治疗燥热伤肺所致咳嗽痰稠，鼻咽干燥的药物是（）
A.薄荷
B.升麻
C.葛根
D.蔓荆子
E.桑叶
