在Windows的窗口菜单中，若某命令项后面有黑三角，则表示该命令项（）。

7．从一个标准差为3的总体中抽出一个样本量为36的样本，样本均值为20，则样本均值的抽样标准差等于（）。

Linux操作系统是免费软件，可以通过网络下载。

9.网络操作系统一般可以分为任务型和通用型两类。（）

五、Completethefollowingsentenceswithappropriatewordsfromtheboxbelow.Youmaynotuseanyofthewordsmorethanonce.36.Regular____________atthisschoolisnecessaryinallclassesandlectures.

五、Completethefollowingsentenceswithappropriatewordsfromtheboxbelow.Youmaynotuseanyofthewordsmorethanonce.36.Whentheprojectwas______________in1994,theBritishWaterwaysauthoritywerekeentocreateadramatictwenty-first-centurylandmark.

五、Completethefollowingsentenceswithappropriatewordsfromtheboxbelow.Youmaynotuseanyofthewordsmorethanonce.36.Youdon’thavetosacrificeenvironmentalprotectionto______________economicgrowth.

五、Completethefollowingsentenceswithappropriatewordsfromtheboxbelow.Youmaynotuseanyofthewordsmorethanonce.36.Regular____________atthisschoolisnecessaryinallclassesandlectures.

36.血液病最常见的临床表现（）

36.急性肾炎患儿给予无盐或低盐饮食一直到（）

36.Washhandsfrequentlyand().

36.BeforeMarkTwain,allmajorAmericanwriterswerebornontheEastCoast.

Wouldyoustooptopickupafoundpenny?Ifyoubelieveinthevalueofmoneyorthepossibilityofluck,youwould.Unless,ofcourse,you’reateenager.WhenNuveenInvestmentsasked1,000kidsaged12to17tonamethesumtheywouldbothertopickup,58percentsaidadollarormore.Somewon’tgivepocketspacetocoinsevenifthey’realreadyinhand,saysNealeGodfrey,authorofMoneyDoesn’tGrowonTrees.Manyhighschoolersbuylunchandthrowawaythechange,shesays.Asoneboyexplainedtoher,“WhatamIgoingtodowithit?”36.NuveenInvestmentsfoundthat___________

Wouldyoustooptopickupafoundpenny?Ifyoubelieveinthevalueofmoneyorthepossibilityofluck,youwould.Unless,ofcourse,you’reateenager.WhenNuveenInvestmentsasked1,000kidsaged12to17tonamethesumtheywouldbothertopickup,58percentsaidadollarormore.Somewon’tgivepocketspacetocoinsevenifthey’realreadyinhand,saysNealeGodfrey,authorofMoneyDoesn’tGrowonTrees.Manyhighschoolersbuylunchandthrowawaythechange,shesays.Asoneboyexplainedtoher,“WhatamIgoingtodowithit?”36.NuveenInvestmentsfoundthat___________

操作系统中()文件系统支持加密功能