单项选择题

A.TheHTTPspecificationprovidesamechanismforthebrowserto……

AwebbrowserneedNOTalwaysperformacompleterequestforaparticularpagethatitsuspectsmightNOThavechanged.TheHTTPspecificationprovidesamechanismforthebrowsertoretrieveonlyapartialresponsefromthewebserver；thisresponseincludesinformation，suchastheLast-ModifieddatebutNOTthebodyofthepage.WhichHTTPmethodwillthebrowserusetoretrievesuchapartialresponse？（）
A.GET
B.ASK
C.SEND
D.HEAD
E.TRACE

A.TheHTTPspecificationprovidesamechanismforthebrowsertoretrieveonlyapartialresponsefromthewebserver；thisresponseincludesinformation，suchastheLast-ModifieddatebutNOTthebodyofthepage.WhichHTTPmethodwillthebrowserusetoretrievesuchapartialresponse？（）
A.GET
B.ASK
C.SEND
D.HEAD
E.TRACE

<上一题目录下一题>

热门试题

单项选择题现有：1.classBook{2.privatefinalvoidread（）{System.out.print（ book ）；}3.}4.classPageextendsBook{5.publicstaticvoidmain（String[]args）{6. insertcodehere7.}8.privatefinalvoidread（）{System.out.print（ page ）；}9.}和如下三个代码片段（x，y，z）：x. justacommenty.newPage（）.read（）；z.newBook（）.read（）；分别插入到第6行，有几个允许代码通过编译并可以运行且无异常？（）A.0B.1C.2D.3

A.classBook{2.privatefinalvoidread（）{System.out.print（"book"）；}3.}4.classPageextendsBook{5.publicstaticvoidmain（String[]args）{6.//insertcodehere7.}8.privatefinalvoidread（）{System.out.print（"page"）；}9.}和如下三个代码片段（x，y，z）：x.//justacommenty.newPage（）.read（）；z.newBook（）.read（）；分别插入到第6行，有几个允许代码通过编译并可以运行且无异常？（）
A.0
B.1
C.2
D.3

单项选择题在保存图片时，要满足淘宝发布图片大小不大于120K的要求的最简便的方法是()

A.按比例缩小
B.调节图片保存质量
C.限制文件大小设置
D.调整图片保存类型

单项选择题1.publicinterfaceA{2.publicvoiddoSomething（Stringthing）；3.}1.publicclassAImplimplementsA{2.publicvoiddoSomething（Stringmsg）{}3.}1.publicclassB{2.publicAdoit（）{3. morecodehere4.}5.6.publicStringexecute（）{7. morecodehere8.}9.}1.publicclassCextendsB{2.publicAImpldoit（）{3. morecodehere4.}5.6.publicObjectexecute（）{7. morecodehere8.}9.}Whichstatementistrueabouttheclassesandinterfacesintheexhibit？（）

A.publicinterfaceA{
B.publicvoiddoSomething（Stringthing）；
C.}
D.publicclassAImplimplementsA{
E.publicvoiddoSomething（Stringmsg）{}
F.}
G.publicclassB{
H.publicAdoit（）{
I.//morecodehere
J.}
K.
L.publicStringexecute（）{
M.//morecodehere
N.}
O.}
P.publicclassCextendsB{
Q.publicAImpldoit（）{
R.//morecodehere
S.}
T.
U.publicObjectexecute（）{
V.//morecodehere
W.}
X.}

单项选择题Youconnectanexternalmonitortoaportablecomputer.Youneedtoincreasetheavailabledesktopareatoincludetheexternalmonitor.Whatshouldyoudo?（）

A.FromtheDisplayproperties,extendthedisplay.
B.FromtheDisplayproperties,modifytheresolutionsettings.
C.RestartthecomputerinVGAMode.Rundxdiag.exe.
D.RestartthecomputerinVGAMode.Installthemostup-to-datedriverforthevideographicsadapter.

单项选择题YouaretheadministratoroftheCorparborshoes.com&en

A.comdomain.UsersinthedomainrunWindows2000Professionalontheirdesktopcomputers.
B.YoulogontothedomainfromKatrin’scomputerbyusingthedomainAdministratoraccount.YouuseDeviceManagertodisplaythecurrentinformationforthemousedriver.
C.Youhavecurrentdriversfurnishedbythemanufacturerofthemouse.YouinstallthecurrentdriverbyusingDevicemanagerandrestartthecomputer.
D.YouviewDeviceMangerandnoticethatthedisplayofthecurrentdriverindicatesthatthepreviousdriverisstilluninstalled.