高空作业有危及周围作业和人员、车辆通行安全时，应在作业点设警戒线和（）。 A.限制区

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     Sandwich is an Englishman. He lives in the 18th century. Sandwich is rich, but he likes to played cards for money.

He often play f'or 24 hours, and doesn't even stop to have his mcals. He ordcrs his servants to bring him some meat

and bread. He puts the meat between the two pieces of bread and holds the food in his left hand while he play cards

with his right hand. People like Sandwich'd idea, and from then on they eat bread and meat as Sandwich does.

     From the namle of the man, Sandwich, we have t'he word of the food "sandwich"today.

1. Which country does Sandwich live in?

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2. What does Sandwich like to do?

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3. Why does Sandwich let others bring him something to eat?

    _____________________________________________________________________

4. How docs Sandwich eat bread and meat when he plays cards?

    _____________________________________________________________________

5. Can you say something about the food "sandwich"?

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风险监测和控制过程的成果包括( )。

A．随机应变计划

B．项目变更请求

C．风险数据库

D．风险管理计划

E．风险识别清单的更新

找出病因，修改病句。    

1．尽管这位“隐身人”难以对付，人们想出了许多制服它的办法。

     __________________________________________________________________________ 

2．捕杀鲸鱼是一种严重违法的人。

     ___________________________________________________________________________

3．学了本单元课文，使我学会了写说明文的方法。

    ____________________________________________________________________________

建设单位甲与供货商乙签订了一份钢材供货合同，合同中约定：由供货商送货至施工现场，但未约定运费的负担，后双方对此没有达成补充协议，也不能依其他方法确定。则供货商将钢材送到工地后，该运输费应由( )。

A．建设单位甲承担运费

B．施工单位丙承担运费

C．供货商乙承担运费

D．建设单位甲与供货商乙单位共同分担运费

全省煤矿“七高一文明”发展新模式是指（）。