热门试题:
[单项选择]某企业某年计划生产一种产品，该产品单价为1000元，单位产品的变动费用为500元，其固定成本为800万元，该企业产销量不赔的最低量是（）件。
A. 42000
B. 24000
C. 16000
D. 8000
[单选题]个人保安线由（）。
A.作业人员自装自拆
B.工作许可人装拆
C.工作负责人装拆
D.专责监护人装拆
[判断题]20.G 钢是低合金钢。
A.正确
B.错误
[单选题]凡参加高处作业的人员，应（）进行一次体检。
A. 2年
B.1年
C.3年
D.4年
[判断题]账户圈存即对于使用大额、小额及同城票据交换办理的支出、退库等业务，为保证TCBS按照原子交易的规则正确处理，系统对涉及上述业务的国库的库存账户内的资金圈存的处理机制。大额业务收到清算回执完成全部业务处理。小额业务收到轧差回执完成全部业务处理。同城业务在同城提出记帐时完成全部业务处理。
[判断题]1975年6月7日，南京发生全市停电事故，全市供电中断32分钟。
A.正确
B.错误
[单选题]There is nothing in this world constant but inconstancy.—SWIFT
Project after project designs a set of algorithms and then plunges into construction of customer-deliverable software on a schedule that demands delivery of the first thing built.In most projects,the first system built is（请作答此空）usable.It may be too slow,too big,awkward to use,or all three.There is no（ ）but to start again,smarting but smarter,and build a redesigned version in which these problems are solved.The discard and（ ）may be done in one lump,or it may be done piece-by-piece.But all large-system experience shows that it will be done.Where a new system concept or new technology is used,one has to build a system to throw away,for even the best planning is not so omniscient（全知的）as to get it right the first time.The management question,therefore,is not whether to build a pilot system and throw it away.You will do that.The only question is whether to plan in advance to build a（ ）,or to promise to deliver the throwaway to customers.Seen this way,the answer is much clearer.Delivering that throwaway to customers buys time,but it does so only at the（ ）of agony（极大痛苦）for the user,distraction for the builders while they do the redesign,and a bad reputation for the product that the best redesign will find hard to live down.Hence plan to throw one away;you will,anyhow.
A.almost
B.often
C.usually
D.Barely
[判断题]煤矿在每年雨季来临前要进行1次水害救灾演练。
A.正确
B.错误
[单项选择]IEEE 1394 具有__(48)__位地址空间，IEEE 1394 的通信协议具有三个协议层，下面不属于这三个协议层的是__(49)__。
A. 事务层
B. 表示层
C. 链路层
D. 物理层
[单选题]中国特色社会主义系统回答了( )的根本问题。
A.建设什么样的社会主义、怎样建设社会主义
B.实现什么样的发展、怎样发展
C.什么是社会主义、如何建设社会主义
D.怎样发展社会主义
[判断题] 对于压接式电连接线夹,电连接线可以有压伤和断股现象。( )(《普速铁路接触网运行维修规则》第125条)
A.正确
B.错误
[单项选择]临床医学研究中的保密原则（）
A. 欺骗、威胁、利诱进行医学临床实验违反了道德和法律
B. 负担和受益要公正分配
C. 受试者与研究者之间应保密
D. 死亡家属有权获得赔偿
E. 需获得伦理专家委员会（或主管部门）的批准
[单选题]解锁工具（钥匙）使用后应及时封存并做好记录。
A.A.正确
B.B.错误
[单项选择]The taxi driver came to take him on time.
[单选题]全面生产维护以( )为基础,以八大支柱为依托。
A.全员培训和自主保全
B.现场管理和安全环境
C.5S活动和目视管理
D.全员参与和小组改进
[判断题]《安徽农村商业银行系统流动资金贷款管理办法》规定，本流动资金贷款,是指全省农村商业银行向企( 事) 业法人或国家规定可以作为借款人的其他组织发放的用于借款人日常生产经营周转的贷款。
A.正确
B.错误
[单选题]某水利工程，设计洪水的设计频率为P，若设计工程的寿命为L年，则在L年内，工程不破坏的概率为（ ）。
A.P
B.1－P
C.LP
D.（1－P）L
[不定项选择题]共用题干
Interior Design
Although interior design has existed since the beginning of architecture,its development into a specialized field is really quite recent. Interior designers have become important partly because of the many functions that might be______(51)in a single large building.
The importance of interior design becomes______(52)when we realize how much time we ______(53)surrounded by four walls.Whenever we need to be indoors,we want our surroundings to be______(54)attractive and comfortable as possible.We also expect______(55) place to be appropriate to its use.
You would be______(56)if the inside of your bedroom were suddenly changed to look ______(57)the inside of a restaurant. And you wouldn't feel______(58)in a business office that has the appearance of a school.
It soon becomes clear that the interior designer's most important basic______(59)is the function of the particular______(60),for example,a theatre with poor sight lines,poor sound shaping qualities,and______(61)few entries and exists will not work for______(62)purposes,no matter how beautifully it might be______(63).Nevertheless,for any kind of space,the designer has to make many of the same kind of______(64).He or she must coordinate the shapes,lighting and decoration of everything from ceilling to floor,______(65)addition,the designer must usually select furniture or design built-in furniture,according to the functions that need to be served.
_________(62)
A.their
B.its
C.those
D.that
[单项选择]聚氨基甲酸酯漆的最高耐热度为( )。
A. 100℃
B. 130℃
C. 155℃
D. 180℃
[单选题]关于卷扬机描述不正确的是
A.卷扬机应放置平稳，锚固可靠
B.卷筒应与牵引绳保持垂直
C.卷扬机不应带载荷过夜
D.物件提升后，操作人员应离开机械。
[单项选择]决定病证虚实变化的主要病机是（）
A. 脏腑的盛衰
B. 阴精的盛衰
C. 气血的盛衰
D. 正邪的盛衰
E. 阳气的盛衰
[多项选择]废气涡轮增压器对机组有哪些直接的作用（）
A. 压缩空气
B. 增加机组功率
C. 排净废气
D. 节省燃油
[单选题] ()应该收取高可靠性供电费用。
A. 大工业用户
B. B普通工业用户
C. 单电源用户
D. 双电源用户
[单选题]无小孔的茂菲式滴管内液面过高时的处理方法是( )
A. 加紧下端胶管,挤压滴管
B. 加紧上端胶管,挤压滴管
C. 翻转输液瓶,将排气针头置于空气中
D. 消毒下端胶管,用注射器吸出
E. 以上都不是
[单项选择]
For the past two years, I have been working on students’ evaluation of classroom teaching. I have kept a record of informal conversations (1) some 300 students from at (2) twenty-one colleges and universities. The students were generally (3) and direct in their comments (4) how course work could be better (5) Most of their remarks were kindly (6)— with tolerance rather than bitterness —and frequently were softened by the (7) that the students were speaking (8) some, not all, instructors. Nevertheless, (9) the following suggestions and comments indicate, students feel (10) with things-as-they-are in the classroom. Professors should be (11) from reading lecture notes. "It makes their (12) monotonous (单调的)."
If they are going to read, why not (13) out copies of the lecture Then we (14) need to go to class. Professors should (15) repeating in lectures material that is in the textbook." (16) we’ve read the material, we want to (17) it
A. if
B. though
C. as
D. whether
[单项选择]The passage describes an ideal lecture as
A. giving a clear, general outline of the topic
B. helping students understand difficult points
C. having a clear purpose, focus, and development
D. being clearly spoken, interesting, and knowledgeable
[单选题]漆膜劣化面积5%≤F<16%,称为( )劣化。
A.轻微
B.中等
C.较重
D.严重
[判断题]由于正压力而保持动轮与钢轨接触处相对静止的现象称为“粘着”。
A.正确
B.错误
[单选题]CT增强扫描下列组织结构，哪一项最早出现不均匀斑片状强化：
A.肝脏
B.胰腺
C.脾脏
D.腹主动脉
E.肌肉
[单项选择]关于巨噬细胞在机体抗肿瘤免疫中的作用，下列叙述正确的是（）
A. 患者肿瘤组织周围有明显巨噬细胞浸润的预后较好
B. 巨噬细胞是抗肿瘤的效应细胞，但不是肿瘤抗原的递呈细胞
C. 肿瘤患者使用巨噬细胞抑制剂可抑制肿瘤生长
D. 静止的巨噬细胞可分泌IL-2杀伤肿瘤细胞
E. 肿瘤患者巨噬细胞的吞噬率和吞噬指数明显上升
[单选题]原木顺纹受压容许应力可提高( )。
A.10%
B.15%
C.18%
D.20%
[判断题]设置在其他建筑内的消防控制室,应采用耐火极限不低于2h的防火隔墙和1.5h的楼板与其他部位分隔。( ) (中)
A.正确
B.错误
[单选题] 放井架时使用电磁刹车与( )配合平稳下放。
A.:所有刹车钳;
B.:安全钳刹车;
C.:工作钳刹车;
D.:伊顿刹车。
[填空题]装饰工程中悬空脚手架的工程量按（）以平方米计算。
[单选题]轨道精调作业首先要确定测站坐标。根据边角后方交会的CPⅢ网，测站由全站仪观测前后( )对连续CPⅢ点，通过自动平差计算确定位置。
A.2
B.4
C.6
D.8
