仁和公司是一家自来水加工的企业，目前盈利稳定，股东对现状比较满意，最适合该企业采取的

知识产权的特点有______

A．具有形式但无物质实体

B．是财产性的权利

C．是一种“私人专有权利”

D．“客体共享、权利专有”

E．具有非排他性

Pharming is a scamming practice in which malicious code is installed on a personal computer or server, misdirecting users to (71) Web sites without their knowledge or consent. Pharming has been called "phishing without a lure".
In phishing, the perpetrator sends out legitimate- (72) e-mails, appearing to come from some of the Web’s most popular sites, in an effort to obtain personal and financial information from individual recipients. But in pharming, larger numbers of computer users can be (73) because it is not necessary to target individuals one by one and no conscious action is required on the part of the victim. In one form of pharming attack, code sent in an e-mail modifies local host files on a personal computer. The host files convert URLs into the number strings that the computer uses to access Web sites. A computer with a compromised host file will go to the fake Web site even if a user types in the correct Internet address or clicks on an affected (74) entry. Some spyware removal programs can correct the corruption, but it frequently recurs unless the user changes browsing ( 75 ) .

A．connecting

B．binding

C．looking

D．contenttagging

痛经

一台S9电力变压器额定电压为10／0．4kV，额定容量SN=1000kVA，二次侧功率因数cosφ2=0．8，空载损耗P0=1．7kW短路损耗PK=10．3kW，试计算分析变压器不同负载时的效率状况

当变压器为满载时，该变压器的效率为（）。

A.99.32％

B.99.01％

C.98.98％

D.98.52％

坐标系内几何点位置的坐标值均从坐标原点标注或（），这种坐标值称为绝对坐标。

A.填写

B.编程

C.计量

D.作图