组织协调工作的目标是使项目各方充分协作，有效地执行承建合同。进行组织协调的监理方法主要有()。 ①监理通知 ②监理会议 ③监理报告 ④监理指令
A. ①②③④
B. ①②
C. ②③
D. ②④
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水利水电工程概算中，工程部分总投资不包括价差预备费。()
采用动态分析方法进行经济评价，资金时间价值计算的基准点应定在建设期的第一年年初。投人物和产出物均按年初发生结算。()
Which of the following desdription is WRONG .about Wi-Fi？ ().
Any standard Wi~Fi device. will work anywhere in the world with global operative set of standaeds
B. Now most laptops are built with wireless network adapters inside
C. One can connect Wi-Fi devices in ad-hoc mode for client-to-client connections without a router
D. Communications between two devices need the involvement of an access point with Wi-Fi
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