直流焊机的电动机反转的原因是()。A、三相保险丝中有一相断线B、电动机定子线圈短路C

题型:单项选择题

问题:

直流焊机的电动机反转的原因是()。

A、三相保险丝中有一相断线

B、电动机定子线圈短路

C、三相电机与电网接触错误

D、换向器接反

考点:机械制造行业技能考试金属焊接与切割(综合练习)金属焊接与切割(综合练习)题库
题型:单项选择题

肺结核的基本病理变化有()

A.渗出性病变

B.增殖性病变

C.空洞性病变

D.干酪性病变

E.以上都是

题型:单项选择题

以出让方式取得土地使用权进行房地产开发的,必须按照土地使用权出让合同约定的土地用途、动工开发期限开发土地。如果土地使用者超过出让合同约定的动工开发日期满 1年未动工开发的,政府应当如何处理

A.可以无偿收回土地使用权

B.可以给予适当的补偿后收回土地使用权

C.可以征收相当于土地使用权出让金20%以下的土地闲置费

D.可以征收相当于土地使用权出让金10%以下的土地闲置费

题型:单项选择题
I did very badly at school. My headmaster thought I was   36  and when I was 14 he said, “You’re never going to be   37  but a failure.” After five years of   38  jobs, I fell in love with a very nice middle-class girl. It was the beatific   39  that could have happened to me. I  40  I wanted to do something positive (积极地) with my life because I wanted to prove to  41  that what people said about me was   42 . Especially her mother, who had said to me, “Let’s   43  it, you’ve failed at everything you’ve ever done.” So I tried hard with my   44  and went to college. My first novel   45   while I was at college. After college I taught during the   46  in high schools and attended evening classes at London University, where I got a   47  in history. I became a lecturer at a college and was thinking of   48  that job to write full time   49  I was offered a part-time job at Leeds University. I began to feel proud of myself —   50  was a working-class boy who’d   51  school early, now teaching at the university. My writing career (职业) took off when I discovered my own style. Now I’m rich and   52 , have been on TV, and met lots of film stars.   53  what does it mean? I   54  wish all the people that have put me down had   55 : “I believe in you. You’ll succeed.”
小题1:
A.brightB.uselessC.simpleD.hopeful
小题2:
A.something B.anything C.everythingD.nothing
小题3:
A.lowB.goodC.poorD.useful
小题4:
A.supportB.happinessC.surpriseD.thing
小题5:
A.admittedB.decidedC.plannedD.told
小题6:
A.meB.themC.herD.it
小题7:
A.stupidB.rightC.wrongD.faulty
小题8:
A.seeB.knowC.understandD.face
小题9:
A.experimentB.practiceC.writingD.composition
小题10:
A.came onB.came inC.came backD.came out
小题11:
A.dayB.nightC.monthD.year
小题12:
A.graduationB.passC.degreeD.success
小题13:
A.giving inB.giving backC.giving outD.giving up
小题14:
A.whileB.ifC.orD.when
小题15:
A.thereB.itC.hereD.that
小题16:
A.leftB.attendedC.changedD.graduated
小题17:
A.tiredB.calmC.nervous .D.famous
小题18:
A.AndB.ButC.HoweverD.Well
小题19:
A.soB.exactlyC.justD.very
小题20:
A.saidB.praisedC.answeredD.advised
题型:单项选择题

女性,30岁,患高血压1年,血压在180~230/100~120mmHg之间,有时感手足乏力麻木,夜尿增多。查体:血钾3.5mmol/L,血浆醛固酮400μg/L。下列检查可鉴别原发性与继发性醛固酮增多症的是()

A.血浆肾素、血管紧张素Ⅱ活性测定

B.赛庚啶试验

C.血浆ACTH测定

D.上午自立位前后血浆醛固酮浓度变化

E.放射性碘化胆固醇肾上腺扫描或照相

题型:单项选择题

治疗肝火犯胃、呕吐吞酸,黄连常配伍( )

A.丁香

B.干姜

C.花椒

D.吴茱萸

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