超工程结算或劳务结算拨款的，由（）负主要责任。
A.总会计师
B.财务部长
C.工经部长
D.项目经理
参考答案：D
---Be careful! Your clothes will catch fire.
---Thank you._______ so close to the fire.
A．I didn’t know I was
B．I don’t know I am
C．I hadn’t known I was
D．I don’t know I was
换土垫层施工时的换填材料可以选用( )。
A．碎石土和砂土
B．湿陷性黄土
C．含有少量膨胀土的素土和砂土
D．粉土、灰土
