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问题 单项选择题

托运人在货物装船时，尚未确定具体的卸货港，待船舶开航后，再在预先指定的两个或两个以上的卸货港中选择一个港口卸货，承运人在收取运费时需要加收（）。

A.直航附加费

B.选港附加费

C.非基本港附加费

D.特别附加费

答案

参考答案：B

单项选择题

To compete in today’s fast-paced competitive environment, organizations are increasingly allowing contractors, partners, visitors and guests to access their internal enterprise networks．These users may connect to the network through wired ports in conference rooms or offices, or via wireless access points．in allowing this open access for third parties, LANs become（71）. Third parties can introduce risk in a variety of ways from connecting with an infected laptop to unauthorized access of network resources to （72） activity. For many organizations,however, the operational complexity and costs to ensure safe third party network access have been prohibitive. Fifty-two percent of surveyed CISOs state that they currently use a moat and castle’s security approach, and admit that defenses inside the perimeter are weak. Threats from internal users are also increasingly a cause for security concerns．Employees with malicious intent can launch（73）of service attacks or steal （74）information by snooping the network. As they access the corporate network, mobile and remote users inadvertently can infect the network with （75） and worms acquired from unprotected public networks．Hackers masquerading as internal users can take advantage of weak internal security to gain access to confidential information.

A．denial

B．virtuous

C．complete

D．traverse
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单项选择题

采用预算单价法编制施工图预算的主要步骤包括：

①准备资料并熟悉施工图样；

②编制工料分析表；

③计算工程量；

④计算直接工程费；

⑤计算其他费用；

⑥复核。

正确的顺序是（）。

A．①—②—③—④—⑤—⑥

B．①—③—④—②—⑤—⑥

C．①—③—②—⑤—④—⑥

D．①—②—③—⑤—④—⑥
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