在一般道路上因掉头需要倒车时，应选择在什么样的地段进行 A．交通繁忙 B．路面狭窄

建设工程组织流水施工时，如果存在间歇时间和提前插入时间，则( )。

A．间歇时间会使流水施工工期延长，而提前插入时间会使流水施工工期缩短

B．间歇时间会使流水施工工期缩短，而提前插入时间会使流水施工工期延长

C．无论是间歇时间还是提前插入时间，均会使流水施工工期延长

D．无论是间歇时间还是提前插人时间，均会使流水施工工期缩短

Katch Co is a small private limited company. Although there are three members of its board of directors, the actual day-to-day running of the business is left to one of them, Len, who simply reports back to the board on the business he has transacted. Len refers to himself as the managing director of Katch Co, although he has never been officially appointed as such.Six months ago Len entered into a contract on Katch Co’s behalf with Mo to produce some advertising material for the company. However Katch Co did not wish to proceed with the advertising campaign and the board of directors have refused to pay Mo, claiming that Len did not have the necessary authority to enter into the contract with him.Required:Analyse the situation with regard to the authority of Len to make contracts on behalf of Katch Co and in particular advise whether or not Katch Co is liable to Mo. (10 marks)

影响土地价格经济状况方面的因素包括( )。

A．经济发展状况

B．财政收支与金融状况

C．居民收入和消费水平

D．土地制度

E．储蓄和投资水平

拖把、抹布等清洁工具和物品应（）

A.有专门的贮存间存放

B.有专门的场所存放

C.以上均可

恒温槽一般用来检定（）。

A、热电偶

B、热电阻

C、双金属温度计

D、低温温度计