眼行为的功能主要有（）
A.注意
B.劝说
C.调节
D.表达情感
E.保健
参考答案：A, B, C, D
— Why does Mr Black look so sad this morning?
— I hear that a fire________in his house and lots of valuable things were burned last night. [ ]
A. broke into
B. broke up
C. broke down
D. broke out
DRB规定在()或承包商被驱逐出现场时，委员会工作即告终止。
A．双方商定的时间
B．通过竣工验收时
C．结清单生效
D．最后一个区段的缺陷责任期期满
