防排烟系统中，风管接口的连接应严密、牢固，垫片厚度不应小于（），不应凸入管内和法兰外

某村农民李某与同村陈某因灌溉菜地发生争执厮打起来，陈某叫来一班人围攻李某，李某之妻连忙跑到派出所报案请求保护，但是派出所民警段某素来与李某有隙，于是未加理睬，结果李某被打得头破血流。李某申请行政复议，则复议机关应当作出：

A．行政赔偿决定

B．确认派出所违法决定

C．责令被申请人履行职责决定

D．维持决定

Brian is Paul’s father. In January this year, Paul orally agreed with Brian to decorate Brian’s apartment at cost. Subsequently, they signed a written agreement, which reflected all the terms that they had agreed. In April, Paul completed the decoration. However, Brian has refused to pay to Paul the cost.Required:In relation to contract law, advise Paul as to whether he can commence legal action against Brian to recover the cost. (10 marks)

风管支架的悬臂、吊架的吊铁可采用( )。

A．圆钢

B．角钢

C．槽钢

D．扁钢

E．方钢

关于糖异生生理意义的叙述，错误的是

A．促进甘油的代谢

B．补充血液葡萄糖

C．促进肌糖原的生成

D．促进氨基酸转变成糖

E．防止乳酸中毒

存款人银行结算账户有法定变更事项的，应于( )内书面通知开户银行并提供有关证明。

A．3日

B．5日

C．7日

D．10日