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口径较大、大流量、低压差的场合应选用()

A、偏心阀
B、球阀
C、蝶阀
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正确答案:

C

答案解析:

暂无解析

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Thatis___behaviorandnobodylikesit.

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Questions6to10arebasedonthefollowingpassage:

Inordertolearntobeone’strueself,itisnecessarytoobtainawideandextensiveknowledgeofwhathasbeensaidanddoneintheworld;criticallytoinquireintoit;carefullytoconsiderit;clearlytoanalyzeit;andearnestlytocarryitout.

Itmattersnotwhatyoulearn,butwhenyouoncelearnathing,youmustnevergiveitupuntilyouhavemasteredit.Itmattersnotwhatyouinquireinto,butwhenyouonceinquireintoathing,youmustnevergiveitupuntilyouhavethoroughlyunderstoodit.Itmattersnotwhatyoutrytothinkout,butwhenyouoncetrytothinkoutathing,youmustnevergiveitupuntilyouhavegotwhatyouwant.Itmattersnotwhatyoutrytocarryout,butwhenyouoncecarryoutathing,youmustnevergiveitupuntilyouhavedon’titthoroughlyandwell.

Ifanothermansucceedsbyoneeffort,youwilluseahundredefforts.Ifanothermansucceedsbytenefforts,youwilluseathousand.

6.Accordingtotheauthor,firstofallonemust.

A.analyzeB.inquireC.obtainknowledgeD.act

7.Accordingtotheauthor,.

A.learningisnotimportantB.thinkingisnotnecessary

C.knowledgemeanslittleD.itisnotimportantwhatwelearn

8.Theendoflearningshouldbe.

A.thoughtB.masteryC.inquiryD.analysis

9.Accordingtotheauthor,anotherman’ssuccessshould.

A.makegreatereffortsB.makeusnervous

C.notbetakenintoconsiderationD.causeonetostoptrying

10.Theauthorimpliesbutdoesnotsaywhat.

A.thewaytoknowledgeisthroughspecialization

B.onehastoknoweverythingtobesuccessful

C.successdependsnotsomuchonnaturalabilityasitdoesoneffort

D.successinone’sprofessionislatestimportantinone’slife

可导致破坏性交流的情感是

Mostofusaretaughttopayattentiontowhatissaid—thewords.Wordsdoprovideuswithsomeinformation,butmeaningsarederivedfromsomanyothersourcesthatitwouldhinderoureffectivenessasapartnertoarelationshiptorelytooheavilyonwordsalone.Wordsareusedtodescribeonlyasmallpartofthemanyideasweassociatewithanygivenmessage.Sometimeswecangaininsightintosomeofthoseassociationsifwelistenformorethanwords.Wedon’talwayssaywhatwemeanormeanwhatwesay.Sometimesourwordsdon’tmeananythingexcept“I’mlettingoffsomesteam.Idon’treallywantyoutopaycloseattentiontowhatI’msaying.JustpayattentiontowhatI’mfeeling.”Mostlywemeanseveralthingsatonce.Apersonwantingtopurchaseahousesaystothecurrentowner,“ThisstephastobefixedbeforeI’llbuy.”Theownersays,“It’sbeenlikethatforyears.”Actually,thestephasn’tbeenlikethatforyears,buttheunspokenmessageis:“Idon’twanttofixit.Weputupwithit.Whycan’tyou?”Thesearchforamoreexpansiveviewofmeaningcanbedevelopedofexaminingamessageintermsofwhosaidit,whenitoccurred,therelatedconditionsorsituation,andhowitwassaid.

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Wewoulddowelltolistenforhowmessagesarepresented.Thewords,“Ifsurehasbeennicetohaveyouover,”canbesaidwithemphasisandexcitementorritualistically.Thephrasecanbesaidonceorrepeatedseveraltimes.Andthemeaningsweassociatewiththephrasewillchangeaccordingly.Sometimesifwesaysomethinginfrequentlyitassumesmoreimportance;sometimesthemorewesaysomethingthelessimportanceitassumes.

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A.theyuseproperwordstocarrytheirideas.

B.theybothspeaktrulyoftheirownfeelings.

C.theytrytounderstandeachother’sideasbeyondwords.

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A.I’mjustcallingyourattention.

B.I’mjustkidding.

C.I’mjustsayingtheopposite.

D.I’mjustgivingoffsomesound.

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A.thestephasbeenlikethatforyears.

B.hedoesn’tthinkitnecessarytofixthestep.

C.theconditionofthestepisonlyaminorfault.

D.thecostinvolvedinthefixingshouldbeshared.

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Thematterisnottobe____.

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