关于井筒施工的排水方法,说法正确的是()。 A.吊桶排水适用于涌水量不超过8m3/h

题型:多项选择题

问题:

关于井筒施工的排水方法,说法正确的是()。

A.吊桶排水适用于涌水量不超过8m3/h的井筒 

B.涌水量小于8m3/h时均可独立采用风动潜水泵排水 

C.当吊桶排水不能满足涌水量要求时,可采用吊泵排水 

D.卧泵排水需设置在工作面且占据井筒较大空间 

E.设置截水槽有利于排水和改善施工条件

考点:矿业工程矿业工程题库
题型:多项选择题

同级人民法院之间受理第一审行政案件的分工和权限,这属于()

A、属地管辖

B、级别管辖

C、地域管辖

D、裁定管辖

题型:多项选择题

灭火消防车、供水消防车和通信指挥消防车,凡符合下列条件之一的,必须退役:()。

A.发动机运转累计时数3000小时;服役年数满10年

B.发动机运转累计时数2500小时;服役年数满12年

C.发动机运转累计时数2500小时;服役年数满10年

D.发动机运转累计时数3000小时;服役年数满12年

题型:多项选择题

对一些标有“禁止通行”、“危险”的地域,不要擅越禁区。无论行走还是上下楼梯都应靠()通行。

A、左侧

B、中间

C、右侧

题型:多项选择题
If you want to learn a new language,the very first thing to think about is why.Do you need it for a____reason,such as your job or your studies?__2__perhaps you’re interested in the____,films or music of a different country and you know how much it will help to have a____of the language.
Most people learn best using a variety of____,but traditional classes are an ideal(理想的)start for many people.They____an environment where you can practice under the ____ of someone who’s good at the language.We all lead ____ lives and learning a language takes____.You will have more success if you study regularly,so try to develop a____.It doesn’t matter if you haven’t got long.Becoming fluent in a language will take years,but learning to get by takes____.
Many people start learning a language and soon give up.“I’m too____,” they say.Yes,children do learn languages more ___ than adults,but research has shown that you can learn a language at any____.And learning is good for the health of your brain,too.I’ve also heard people____ about the mistakes they make when____.Well,relax and laugh about your mistakes ____you’re much less likely to make them again.
Learning a new language is never ___.But with some work and devotion,you’ll make progress.And you’ll be ____by the positive reaction of some people when you say just a few words in ___ own language.Good luck!                                 (2013·安徽)
小题1:
A.technicalB.political
C.practicalD.physical
小题2:
A.AfterB.So
C.ThoughD.Or
小题3:
A.literatureB.transport
C.agricultureD.medicine
小题4:
A.viewB.knowledge
C.formD.database
小题5:
A.paintingsB.regulations
C.methods D.computers
小题6:
A.protectB.change
C.respectD.provide
小题7:
A.controlB.command
C.guidanceD.pressure
小题8:
A.busyB.happy
C.simpleD.normal
小题9:
A.courageB.time
C.energyD.place
小题10:.
A.theoryB.business
C.routineD.project
小题11:
A.some risksB.a lot less
C.some notesD.a lot more
小题12:
A.oldB.nervous
C.weakD.tired
小题13:
A.closelyB.quickly
C.privatelyD.quietly
小题14:
A.ageB.speed
C.distanceD.school
小题15:.
A.worryB.hesitate
C.thinkD.quarrel
小题16:
A.singingB.working
C.bargainingD.learning
小题17:
A.ifB.and
C.butD.before
小题18:
A.tiresomeB.hard
C.interestingD.easy
小题19:
A.blamed B.amazed
C.interruptedD.informed
小题20:
A.theirB.his
C.ourD.your
题型:多项选择题

植物农药又称生物农药,是利用有毒植物中的多种杀虫成分,经过提炼后生产的农药。由于它们的杀虫有效成分为天然物质,因而施用后较易分解为无毒物质,对环境无污染。 下列对“植物农药”概述正确的一项是( )。

A.提炼有毒植物中能有效杀虫的对环境无污染的无毒物质制造的

B.提炼有毒植物中多种杀虫有效的天然物质制造的

C.利用多种有毒物质的杀虫成分,经过提炼后制造的

D.利用有毒植物中使害虫不能产生抗药性的多种杀虫成分,经提炼制造的

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