热门试题:
[单项选择]逐点比较法圆弧插补的判别式函数为()。
A. F=XiYe+XeYi
B. F=Xi2+Yi2-R2
C. F=XiYi+XeYe
D. F=Ye-Yi
[单项选择]
There are many kinds of friends. Some are always (1) you, but don’t understand you. Some say only a few words to you, but understand you. Many people will step in your life, but only (2) friends leave footprints.
I shall always recall the autumn and the girl with the (3) . She will always bring back the friendship between us. I know she will always be my best friend.
It was the golden season. I could see the yellow leaves (4) with the cool (5) . In such a season, I liked walking alone on the roads covered with leaves, (6) to the sound of them.
Autumn is a (7) season and life is uninteresting. The free clays always get me (8) . But one day, the sound of a violin (9) into my ears like a stream flowing in them ountains. I was so surprised that I jumped to see what it was. A young girl, standing in the wind, was (10) in playing her violin.
I had (11) s
A. waiting
B. stopping
C. standing
D. hearing
[简答题]代表作有《素年锦时》《莲花》的是哪一位国内著名女作家?
[单项选择]洗杯机的温度应控制在()。
A. 零上4—6摄氏度左右
B. 零上10—15摄氏度
C. 零下4摄氏度
D. 零摄氏度
[多选题]行为目标的陈述应具备的要素有( )。
A.具体目标
B.概括目标
C.产生条件
D.行为标准
E.行为结果
[单项选择]男性,56岁。食欲减退伴上腹部疼痛半年,体重减轻8kg。血红蛋白80g/L红细胞3.1×1012/L,网织红细胞2%。骨髓象示幼红细胞增生活跃,中、晚幼红细胞为主,幼红细胞体积小、胞浆少、边缘不整,粒细胞系及巨核细胞系正常。该患者最可能的诊断是()。
A. 巨幼红细胞性贫血
B. 缺铁性贫血
C. 溶血性贫血
D. 再生障碍性贫血
E. 肝病性贫血
[判断题]《技规》第357条规定:在站内无空闲线路的特殊情况下,准许接入车站的列车,均应在进站信号机外停车,由接车人员向司机通知事由后,以调车手信号旗(灯)将列车领入站内。
A.正确
B.错误
[判断题] 全挂汽车列车和半挂汽车列车,应当对牵引车和挂车分别核发号牌、行驶证和机动车登记证书。
A.正确
B.错误
[单项选择]若船舶在某港调换船员达()%以上时,应于离港后24小时内作一次救生演习。
A. 15
B. 25
C. 30
D. 50
[多选题]党的十九大首次把党的政治建设纳入党的建设总体布局,并强调( ) 。
A.“以党的政治建设为统领”
B.“把党的政治建设摆在首位”
C.“坚持党要管党、全面从严治党”是新时代党的建设的根本方针
D.“管”是前提、“全面”是基础、“严”是关键、“治”是要害
[判断题]电压互感器一次绕组和二次绕组都接成星形且中性点都接地时,二次绕组中性点接地 称为工作接地
A.正确
B.错误
[单项选择]不属于细菌基本结构的是()
A. 鞭毛
B. 细胞质
C. 细胞膜
D. 核质
E. 细胞壁
[单选题]医疗人员在医疗活动中发生医疗事故争议,应当立即向( )
A.所在科室报告
B.所在医院医务部门报告
C.所在医疗机构医疗质量监控部门报告
D.所在医疗机构的主管负责人报告
E.当地卫生行政机关报告
[单选题]软关井的关井方法是:( )。1)关防喷器;2)关闭节流阀;3)打开节流阀一侧的通道;4)关节流阀前的平板阀;5)关闭4号平板阀。
A.52314
B.51243
C.31245
D.54312
[简答题]长期运行的隔离开关,其常见的缺陷有哪些?
[单项选择]根据《会计法》第二十九条的规定,会计机构、会计人员发现会计账簿记录与实物、款项及有关资料不相符的,按照国家统一的会计制度的规定有权自行处理的,应当及时处理;无权处理的,应当立即向( )报告,请求查明原因,作出处理。
A. 会计机构负责人或会计主管人员
B. 单位负责人
C. 总会计师
D. 主管会计工作的负责人
[单项选择]关于酶的辅基描述正确的是()
A. 是一种蛋白质
B. 是一种无机物
C. 是一种小分子有机物
D. 不能与酶紧密结合
E. 能通过透析或超滤等方法将其除去
[判断题]苯在沿管线流动时,流速过慢,易产生和积聚静电,一旦静电不能消除而放电,很容易引发爆炸燃烧。( )
A.正确
B.错误
[单选题]圆销或螺栓上的圆开口销双向劈开的角度为( )。
A.30°~45°
B.45°~55°
C.50°~60°
D.60°~70°
[简答题]通过整个精馏过程,最终在塔顶得到什么物质?在塔底得到什么物质?
[单选题]转k6型交叉杆安全链松余量为()
A.80-100mm
B.80-120mm
C.80-125mm
D.60-100mm
[判断题]( ) (JLY-DA04)在计量站、转输站由于罐数量少,罐单体容积又不大,从而可以减小损耗。
A.正确
B.错误
[简答题]欧洲生物技术发明的保护指令目前结果如何?
[单项选择]下列各项中,不属于甲级政府采购代理机构应当具备的条件是( )。
A. 具有法人资格,且注册资本为人民币50万元以上
B. 与行政机关没有隶属关系或者其他利益关系
C. 具有良好的商业信誉以及依法缴纳税收和社会保障资金的良好记录
D. 具有健全的组织机构和内部管理制度
[填空题] 使用( )及小车时.须有经使用单位指定的负责人和防护人员
[单选题]★Konica CR系统照射量1mR时对应的S值为200,2mR对应的S值是( )
A.400
B.200
C.100
D.50
E.10
[不定项选择题]共用题干
Sending E-mails to Professors
One student skipped class and then sent the professor an e-mail________(51)for copies ofher teaching notes.
Another_________(52)that she was late for a Monday class because she was recovering fromdrinking too much at a wild weekend party.
At colleges and universities in the U. S.,e-mail has made professors more approachable(平易近人).But many say it has made them too accessible,__________(53)boundaries that traditionally kept students at a healthy distance.These days,professors say,students seem to view them as available_________(54)the clock, sending a steady stream of informal e-mails.
"The tone that they take in e-mails is pretty astounding(令人吃惊的),"said Michael Kessler, an assistant dean at Georgetown University."They'll________(55)you to help:'I need to know this."'"There's a fine________(56)between meeting their needs and at the same time maintaining a level of legitimacy(正统性)as an_________(57)who is in charge."
Christopher Dede,a professor at the Harvard Graduate School of Education,said_________ ( 58 ) show that students no longer defer to(听从)their professors,perhaps because they realize that professors'________(59)could rapidly become outdated."The deference was driven by the_______(60)that professors were all-knowing sources of deep knowledge,"Dede said,and that notion has_________(61).
For junior faculty members,e-mails bring new tension into their work,some say, as they struggle with how to________(62).Their job prospects,they realize,may rest in part on student evaluations of their accessibility.College students say e-mail makes________(63)easier to ask questions and helps them learn.
But they seem unaware that what they write in e-mails could have negative effects________ (64)them,said Alexandra Lahav,and associate professor of Law at the University of Connecticut. She recalled an e-mail message from a student saying that he planned to miss class so he could play with his son.Professor Lahav did not respond.
"Such e-mails can have consequences,"she said."Students don't understand that ________(65)they say in e-mail can make them seem unprofessional,and could result in a bad recommendation."
_________(65)
A.this
B.which
C.that
D.what
[单选题] 骨盆骨折合并尿道损伤时最易损伤的部位是。( )
A. 球部
B. 膜部
C. 阴茎部
D. 前列腺部
E. 尿道黏膜
[判断题]发生客票系统故障影响窗口售票时,立即向上级部门报告,并向客票管理所申请启动应急售票系统。
A.正确
B.错误
[单选题]某工程项目中,甲公司作为工程承包人与乙公司作为劳务分包人签订了劳务分包合同,约定由乙公司负责现场的脚手架搭设,甲公司负责提供该分包工程所需的材料,对运至施工场地用于该分包工程的材料,应由()办理或获得保险。
A.发包人
B.甲公司
C.乙公司
D.工程师
[多选题] 制作付费出站票的时机()。
A. 卡折损
B.卡过期
C.卡遗失
D.少购票"
[单项选择]某男性患者,70岁,冠心病病史多年,两周来心中悸动不安,头眩,畏寒肢冷,下肢浮肿,渴不欲饮,恶心吐涎,舌质淡胖苔,脉弦。根据上述临床表现,按照中医辨证理论,该病例应诊断辨证为()
A. 痰湿中阻之心悸
B. 水饮凌心之心悸
C. 痰热扰心之心悸
D. 心阳不足之心悸
E. 心血不足之心悸
[单选题]优化生产运行业务包括优化生产过程管控、优化生产运行协调和( )。
A.工作效率
B.组织效率
C.提高专业班站管理创效水平
D.工作质量
[多选题]电缆接头施工应由()、()的人员进行。
A.经验丰富
B.经过培训
C.熟悉工艺
D.工作时间长
[判断题]国家电网公司员工服务十不准含有不准违反政府部门批准的收费项目和标准向客户收费的条款。( )
A.正确
B.错误
[单选题]在我国出口贸易中,如果选用FOB或CFR价格术语,则保险一般由( )办理。
A.国内买方
B.国外买方
C.国内卖方
D.国外卖方
[多选题] 应对街面巡查紧急情况处置时,民警应遵循下列哪些处置要求( )。
A. 发现目标,观察疑点
B. 判明情况,评估态势
C. 报告情况,沟通联络
D. 掩护推进,接近目标
[单项选择]治疗慢性粒细胞白血病首选
A. DA方案
B. VDLP方案
C. 羟基脲
D. 鞘内注射甲氨蝶呤
E. 口服别嘌醇