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【简答题】
“I’m a little worried about my future . ” said Dustin Hoffman in The Graduate . He should be so lucky . All he had to worry about was whether to have an affair with Mrs. Robinson . In the sixties , that was the total sum of post-graduation anxiety . Hoffman’s modem peers are not so fortunate . The Mrs. Robinsons aren’t sitting around at home any more . They are out in the workplace , doing the high-powered jobs the graduates want , but cannot get . For those fresh out of university , desperate for work but unable to get it , there is a big imbalance between supply and demand . And there is no narrowing of the gap in sight . Parents feel as badly let down as the young people themselves . Middle-class families see their graduate offspring on the dole ( 救济金 ) queue and wonder why they bothered paying school fees . Working-class families feel an even keener sense of disappointment . For many such families , getting a child into university was the fulfillment of a lifelong dream . It was proof that they were living in a dynamic , economically successful country . That dream does not seem so rosy now . Graduate unemployment is not , ultimately , a political problem . Job-creation for graduates is very low down in the government’s schedule . If David Cameron’s Conservatives ( 保守党 ) had a brilliant idea for guaranteeing every graduate a well-paid job , they would have presented it by now . It is a social problem , though a more deep-seated social problem than people perhaps realize .
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【单选题】王某,男,58岁,2018年10月3日诊。发热微恶寒2天,干咳少痰,鼻干,咽干,舌质红,苔薄白少津,脉浮数。辨证属何邪所致:
A.
风热病邪
B.
暑热病邪
C.
燥热病邪
D.
暑湿病邪
E.
温热病邪
【多选题】休克的缺血性缺氧期,机体的主要代偿调节是( )
A.
组织液返流入血
B.
储存在肝脏、脾脏和淋巴血窦中的血液进入有效循环
C.
交感神经-肾上腺髓质系统兴奋,儿茶酚胺大量分泌
D.
血液重新分布
【单选题】患者男性,37岁,因车祸内脏破裂大出血,欲行急诊手术治疗。去手术室之前,护士遵医嘱为患者建立静脉通道并行输血治疗。因时间紧,护士从血库取血后将血袋放入热水中提温,5分后给患者输入。当输血10分后,患者感到头部胀前,出现恶心、呕吐、腰背部剧痛,此反应产生的最大可能的原因是
A.
输入了致敏物质
B.
输入了库存血
C.
输入了异型血液
D.
枸橼酸钠浓度过高
E.
血液加温破坏了红细胞
【单选题】用万用表测量某电路中一个NPN型三极管的静态工作电压时,发现UCE≈0时,管子处于______。
A.
放大状态
B.
饱和状态
C.
截止状态
D.
击穿状态
【简答题】某柱基底面尺寸为4.0m×4.0m,基础埋深d=2.0m。上部结构传至基础顶面的中心荷载ρ=4720kN。地基表层为粉砂,γ 1 =17.5kN/m 3 ,E s1 =8.0MPa,厚度h 1 =6.0m;第二层为粉质黏土,γ 2 =17kN/m 3 ,E s2 =3.33MPa,厚度h2=3.0m;第三层为中砂E s3 =12.0MPa,厚度h 3 =4.5m。试计算粉质黏土层的沉降量。
【单选题】某建筑柱下桩基锥形承台,为5桩承台,如图所示。柱截面尺寸为600mm×400mm,采用C40混凝土(fT=1.71N/mm2);承台采用C30混凝土(fT=1.43N/mm2)。桩截面尺寸为400mm×400mm。承台顶面仅承受上部结构传来的轴压力F。承台顶面截面尺寸为800mm×600mm。取承台板钢筋的混凝土保护层厚度为100mm。 承台Ⅰ-Ⅰ截面处的斜截面受剪承载力(kN)最接近下列()项。...
A.
2200
B.
2400
C.
2600
D.
2800
【简答题】典型的产品安全认证(强制性认证)有哪些?
【单选题】某场地中有独立基础,底面尺寸为4m×2m,有效高度为1.0m,上部结构传至基础顶面的相应于荷载效应基本组合时的荷载为2500kN,柱截面尺寸为0.5m×0.5m,据《建筑地基基础设计规范》(GB 50007—2002)对基础进行抗冲切验算,其络果为( )。 (注:ft=1.1MPa)
A.
满足,冲切力469kN<抗冲切承载力946kN
B.
满足,冲切力669kN<抗冲切承载力746kN
C.
不满足,冲切力946kN>抗冲切承载力469kN
D.
不满足,冲切力746kN>抗冲切承载力669kN
【单选题】用万用表测量某电路中一个NPN型三极管的静态工作电压时,发现UCE≈0时,管子处于()。
A.
放大状态
B.
饱和状态
C.
截止状态
D.
放大和截止状态
【单选题】用万用表测量某电路中一个NPN型三极管的静态工作电压时,发现UCE≈0时,管子处于( )。
A.
放大状态
B.
饱和状态
C.
截止状态
D.
A+B
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