某工程合同总额500万元，工程预付款为其合同总额的25%，主要材料、构件所占比重为6

引起性功能障碍的心理因素，不包括（）

A.忧虑

B.抑郁

C.自卑感

D.精力不集中

E.兴奋

《通志•校雠略》

( )不是处理无效合同的财产后果形式户

A．返还财产
B．追究责任者责任
C．追缴财产
D．赔偿损失

A Web browser is simply a terminal emulator, designed to display text on a screen. The two essential differences between an ordinary terminal emulator and a Web browser are that the browser knows how to deal with (71) , and that it has a mechanism for (72) graphical files. Display text, display graphics, and (73) hyperlinks-there’s 99 percent of the (74) value. That’s not to say that the manufacturers didn’t go all-out to attach a hyperactive efflorescence of useless capabilities onto their browsers. Remember when media channels in the browser were a big deal, instead of the clutter you can’t wait to delete from your favorites of bookmarks menu Remember when client-side Java applets were supposed to become the preferred (75) for application development Remember frames and all their nasty side effects

（75）处填（）。

A．plane

B．plant

C．plate

D．platform

下列是预防人体低压（220/380V）触电的五大技术措施，哪一种说法正确（）

A.设备绝缘、保护接零（地），等电位联结、安全用具和避雷针

B.设备绝缘、漏电保护器、等电位联结、安全用具和外电线路防护

C.设备绝缘、保护接零（地）、漏电保护器、等电位联结和安全用具

D.设备绝缘、保护接零（地）、避雷针、等电位联结和外电线路防护