某导体两端的电压为3V,通过导体的电流为0.5A,导体的电阻是()Ω。

题型:填空题

问题:

某导体两端的电压为3V,通过导体的电流为0.5A,导体的电阻是()Ω。

考点:接触网工接触网工综合练习接触网工综合练习题库
题型:填空题
One day, my English teacher asked me to help her save back-up(备份) copies of her work in the computer. I then realized I was able to know the grades of all of her students. I   36  her how to copy files(文件) from one disk to another and she thanked me.
A few days later, she asked me to help her again, because she   37  how to do it. When I showed it to her, some students in my class  38  and began to talk among themselves   39 .Later that day, at lunch time, several of them came up to me.
“Hey, could you help us change our grades? We’ll   40  for it.”
I could not believe what I heard. I could get paid for something very  41 . “All right. I’ll do it.” The next day, my English teacher   42  me to help him out again. When he was not paying   43   , I changed their grades from Fs to As.
I soon became very   44  among my friends. They began to treat me like God who could do  45 . Word spread quickly and I became very rich.
Everything was going fine  46 I was called into the headmaster’s office. When I got there, both of my teacher and the headmaster were very angry. “ I don’t want to  47  what your teacher said, but I have to. She has too much evidence(证据),’’ the headmaster said. “Do you have anything to say for yourself?”
“No,” I said finally. I didn’t realize how   48  my behavior had been. I had disappointed my teacher and the headmaster. And there was no way  49  . I had to leave my school. That was a good  50  for me.
小题1:
A.saidB.urgedC.knewD.showed
小题2:
A.lostB.rememberedC.remindedD.forgot
小题3:
A.listenedB.noticedC.playedD.checked
小题4:
A.quietlyB.luckilyC.sincerelyD.angrily
小题5:
A.payB.praiseC.followD.explain
小题6:
A.familiarB.easyC.interestingD.pleasant
小题7:
A.challengedB.allowedC.taughtD.asked
小题8:
A.moneyB.workC.attentionD.interest
小题9:
A.commonB.popularC.modestD.dishonest
小题10:
A.somethingB.anythingC.nothingD.some things
小题11:
A.untilB.sinceC.becauseD.after
小题12:
A.believeB.replyC.hateD.influence
小题13:
A.hardB.interestingC.seriousD.important
小题14:
A.upB.inC.backD.down
小题15:
A.skillB.lessonC.storyD.example
题型:填空题

脊神经背侧支的组成是()。

A.感觉神经纤维

B.运动神经纤维

C.交感神经纤维

D.感觉和运动神经纤维

题型:填空题

土地作为一种( )的自然资源,决定了土地所有者能够凭借其所有权取得地租,而对使用土地的厂商来说,地租则构成厂商的生产成本。

A.数量有限

B.不能再生

C.位置不变

D.可利用性高

E.价格昂贵

题型:填空题

项目管理目标责任书在项目实施之前,由()与项目经理协商制定。

A.法定代表人

B.授权人

C.A或B

D.监理工程师

题型:填空题

某业主拟投资一综合大厦项目,通过公开招标的方式分别选择了甲公司和乙公司作为综合大厦的监理单位和施工单位,并分别签定了合同。为保证投资效益,业主与甲监理公司签订的监理委托合同规定:监理工作内容包括对综合大厦项目进行风险损失分析和施工监理。

下列属于工程环境风险的是( )。

A.自然灾害

B.岩土地质条件和水文地质条件

C.工程施工方案

D.人身安全控制计划

E.承包商管理人员和一般技工的知识、经验和能力

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