少量咯血是指每日咯血量少于A．50mLB．70mLC．100mLD．150mLE．200mL

A.foohasthevalueof0.

B.foohasthevalueofnull.

C.foohasthevalueoftrue.

D.foohasthevalueoffalse.

E.An-exceptionisthrown.

F.Thecodewillnotcompile.

xistsinthewebapplicationandcontainsonlythisJSPcode：1.<%@taglibprefix="x"2.tagdir="/WEB-INF/tags/alpha"%>3.<x：beta/>Thesort.jsppageisrequested.Whichtwoaretrue？（）

A.Tagfilescanonlybeaccessedusingatagdirattribute.

B.Thesort.jsppagetranslatessuccessfullyandinvokesthetagdefinedbybeta.tag.

C.Thesort.jsppageproducesatranslationerrorbecauseataglibdirectivemustalwayshaveauriattribute.

D.Tagfilescanonlybeplacedin/WEB-INF/tags，andNOTinanysubdirectoriesof/WEB-INF/tags.

E.Thetagdirattributeinline2canbereplacedbyauriattributeifaTLDreferringtobeta.tagiscreatedandaddedtothewebapplication.

AssumeaJavaBeancom.example.GradedTestBeanexistsandhastwoattributes.Theattributenameisoftypejava.lang.Stringandtheattributescoreisoftypejava.lang.Integer.Anarrayofcom.example.

GradedTestBeanobjectsisexposedtothepageinarequest-scopedattributecalledresults.Additionally，anemptyjava.util.HashMapcalledresultMapisplacedinthepagescope.AJSPpageneedstoaddthefirstentryinresultstoresultMap，storingthenameattributeofthebeanasthekeyandthescoreattributeofthebeanasthevalue.

WhichcodesnippetofJSTLcodesatisfiesthisrequirement？（）

A.Itmayiterateoverarrays，collections，maps，andstrings.

B.ThebodyofthetagmaycontainELcode，butnotscriptingcode.

C.Whenloopingovercollections，aloopstatusobjectmaybeusedinthetagbody.

D.Itmayiterateoveramap，butonlythekeyofthemappingmaybeusedinthetagbody.

E.Whenloopingoverintegers（forexamplebegin=’1’end=’10’），aloopstatusobjectmaynotbeusedinthetagbody.

A.<；stock：quote&ensp；symbol="；SUNW"；&ensp；/>；${var}

B.${var}.&ensp；<；stock：quote&ensp；symbol="；SUNW"；&ensp；/>；

C.<；stock：quote&ensp；symbol="；SUNW"；>；.&ensp；${var}.&ensp；<；/stock：quote>；

D.<；stock：quote&ensp；symbol="；SUNW"；&ensp；var="；quote"；&ensp；/>；${quote}

A.<tld><uri>dbtags</uri><location>/WEB-INF/tlds/dbtags.tld</location></tld>

B.<taglib><uri>dbtags</uri><location>/WEB-INF/tlds/dbtags.tld</location>.</taglib>

C.<tld>.<tld-uri>dbtags</tld-uri>.<tld-location>/WEB-INF/tlds/dbtags.tld</tld-location>.</tld>

D.<taglib><taglib-uri>dbtags</taglib-uri><taglib-location>/WEB-INF/tlds/dbtags.tld.</taglib-location>.</taglib>

Assumethecustomtagmy：errorPronealwaysthrowsajava.lang.RuntimeExceptionwiththemessage"Filenotfound."AnerrorpagehasbeenconfiguredforthisJSPpage.Whichoptionpreventstheexceptionthrownbymy：errorPronefrominvokingtheerrorpagemechanism，andoutputsthemessage"Filenotfound"intheresponse？（）

A.<c：trycatch="ex"><my：errorProne/></c：try>${ex.message}

B.<c：catchvar="ex"><my：errorProne/></c：catch>${ex.message}

C.<c：try>.<my：errorProne/>.</c：try>.<c：catchvar="ex"/>.${ex.message}

D.<c：try>.<my：errorProne/>.<c：catchvar="ex"/>.${ex.message}.</c：try>

A.itprovidescentralizedrequesthandlingforincomingrequests.

B.Itforcesresourceauthenticationtobedistributedacrosswebcomponents.

C.Itreducescouplingbetweenpresentation-tierclientsandunderlyingbusinessservices.

D.Itcanbeaddedandremovedunobtrusively，withoutrequiringchangestoexistingcode.

E.Itallowspreprocessingandpostprocessingontheincomingrequestsandoutgoingresponses.

A.<%!importjava.util.*；%>

B.<%!importjava.util.List；importjava.util.ArrayList；%>

C.<%@pageimport=’java.util.List’import=’java.util.ArrayList’%>

D.<%@importtypes=’java.util.List’types=’java.util.ArrayList’%>

E.<%@pageimport=’java.util.List，java.util.ArrayList’%>

F.<%@importtypes=’java.util.List，java.util.ArrayList’%>

A.Themethodinvokedbythisfunctionmustbestatie.

B.ThefunctionclassmustimplementtheFunctioninterface.

C.TheexpressionisNOTavalidELexpressionforinvokingafunction.

D.Thefunctionmustbedeclaredinaweb.xmlfileusingtheelement.

E.Thefunctionclassmusthaveamethodwiththesignature：Voidbloof（java.lang.Strings）