Before doing any work on a hydraulic system equipped with accumulators, you shouldA.drain the accumulators and purge with oxygenB.bleed off all stored energy from the accumulators completelyC.charge the accumulators to prevent system energy lossD.pump the hydraulic fluid into the accumulators to prevent fluid loss
Before doing any work on a hydraulic system equipped with accumulators, you should
A.drain the accumulators and purge with oxygen
B.bleed off all stored energy from the accumulators completely
C.charge the accumulators to prevent system energy loss
D.pump the hydraulic fluid into the accumulators to prevent fluid loss
相关考题：
We don’t have ______ fruit in the house.Let me buy ______.A、any, anyB、any, someC、a little, anyD、some, any
ideally, lesson planning should be done at two levels: _______________. A. before-class planning and after-class planningB. before-class preparation and after-class feedbackC. before-class planning and after-class reflectionD. macro planning and micro planning
There are ______ books in your bag. But there aren’t ______ pens in it. A、some, someB、any ,someC、some, anyD、any,any
classFlow{publicstaticvoidmain（String[]args）{try{System.out.print（before）；doRiskyThing（）；System.out.print（after）；}catch（Exceptionfe）{System.out.print（catch）；}System.out.println（done）；}publicstaticvoiddoRiskyThing（）throwsException{//thiscodereturnsunlessitthrowsanException}}可能会产生下面哪两项结果？（）A.beforeB.beforecatchC.beforeafterdoneD.beforecatchdone
classWorkimplementsRunnable{Threadother；Work（Threadother）{this.other=other；}publicvoidrun（）{try{other.join（）；}catch（Exceptione）{}System.out.print（afterjoin）；}}classLaunch{publicstaticvoidmain（String[]args）{newThread（newWork（Thread.currentThread（）））.start（）；System.out.print（afterstart）；}}结果为：（）A.afterjoinB.afterstartC.afterjoinafterstartD.afterstartafterjoin
现有：classFlow{publicstaticvoidmain（String[]args）try{System.out.print（before）；doRiskyThing（）；System.out.print（after）；}catch（Exceptionfe）{System.out.print（catch）；}System.out.println（done）；}publicstaticvoiddoRiskyThing（）throwsException{//thiscodereturnsunlessitthrowsanException}}可能会产生哪两项结果？（）A.beforecatchB.beforeafterdoneC.beforecatchdoneD.beforeaftercatch
共用题干What Should I Say to the Person Who Has Cancer?It is normal to feel that you don't know what to say to someone who has cancer.You might only know the person casually,or you may have worked______(1)or lived near each other for many years and have a closer relationship.The most important ___________(2)you can do is to acknowledge the situation in some way一whatever is most comfortable for you．You can show interest and concern,you can expressencouragement,or you_________(3)offer support. Sometimes the simplestexpressions of concern are the______(4)meaningful,While it is good to be encouraging,it is also important_________(5)to show false optimism or to tell the person with cancer to always have a positive attitude.Doing _________(6)things may discount their fears,concerns,or sad feelings.It is alsotempting to say that you know __________(7)the person feels.While you may know thisis a difficult time,no one can know exactly how the person with_______(8)feels.Humor can be an important way________(9)coping.It is also another source ofsupport and encouragement.Let the person with cancer________(10)the lead; it ishealthy if they find something funny about a side effect,like hair loss or increased appetite, and you can certainly join_________(11)in a good laugh.This can be a great way to relieve stress and to take a break from the_________(12)serious nature of the situation.When the person with cancer looks good, let them know! Refrain（忍住） _____(13)comments when their appearance isn't as good,such as"You're looking pale"or"You've lost weight".Cancer and its treatment can be very unpredictable. Be prepared for good days and bad________(14).Refrain from telling the person with cancer stories about family members or friends who have had cancer. Everyone is different,and these stories may not be helpful.Instead,it is better simply to tell them you know________(15)about cancer because you've been through it with someone else._________(12)A:more B:less C:some D:any
【单选题】职业生涯规划的思维模式是 （)。A．having—》doing—》BeingB．Being—》having—》doingC．doing—》having—》Being