热门试题:
[单选题] CO2气瓶在受热后会使瓶内气体压力升高,存放气瓶的气温不得超过()℃。
A.30
B.40
C.50
D.60
[单项选择]专门对成员国私人企业提供货款的国际金融机构是______
A. 国际复兴开发银行
B. 国际开发协会
C. 国际金融公司
D. 中央银行
[多项选择]某日3时40分,孙某驾驶大客车(乘载54人、核载55人)行至随岳高速公路229公里加300米处,在停车下客过程中,被后方驶来李某驾驶的重型半挂机动车追尾,造成26人死亡,29人受伤。事后查明,李某从昨日18时许出发,途中一直未休息。双方驾驶人的主要违法行为是什么
A. 孙某违法停车下客
B. 孙某客车超员
C. 李某超速
D. 李某疲劳驾驶
[单选题]高层民用建筑使用燃气应当采用管道供气方式。禁止在高层民用建筑地下部分使用()。
A.明火
B.燃气灶
C.液化石油气
D.燃煤
[单选题]1,4,27,256,( )
A.1024
B.1620
C.3125
D.3456
[单选题]某市公安机关利用LED灯牌,在城市主要街道发布“东躲西藏,寝食难安。早日自首,争取从宽”的标语,督促在逃人员投案自首。关于公安机关的做法,下列说法正确的是:( )
A.公安机关应当以社会管理职能代替政治统治职能
B.公安机关有权对自首人员从轻或者减轻处罚
C.公安机关可以利用有效的宣传方式,创新工作手段
D.公安机关可以从实际工作出发,对法律作出行政解释
[单选题](28676)决定螺纹旋合性的主要参数是螺纹的( )。(1.0分)
A.中径
B.大径
C.螺距
D.牙型
[单选题] "顽固性哮喘发作宜选用( )
A.舒喘灵
B.氯喘
C.氨茶碱
D.喘定
E.糖皮质激素
[单项选择]Before, whenever we had wealth, we started discussing poverty. Why not now Why is the current politics of wealth and poverty seemingly about wealth alone Eight years ago, when Bill Clinton first ran. for president, the Dow Jones average was under 3,500, yearly federal budget deficits were projected at hundreds of billions of dollars forever and beyond, and no one talked about the "permanent boom" or the "new economy." Yet in that more straitened time, Clinton made much of the importance of "not leaving a single person behind." It is possible that similar "compassionate" rhetoric might yet play a role in the general election.
But it is striking how much less talk there is about the poor than there was eight years ago, when the country was economically uncertain, or in previous eras, when the country felt flush. Even last summer, when Clinton spent several days on a remarkable, Bobby Kennedy-like pilgrimage through impoverished areas from Indian reservations in South Dakota to g
A. difficult
B. past
C. wealthy
D. distant
[多选题]以下关于 FID 检测器和 MS 检测器的描述,描述正确的是( )
A.二者都是以保留时间定性
B.FID 检测器以峰高定量
C.MS 检测器以特征离子定性
D.MS 检测器以定量离子定量
E.二者都以峰高定量
[单项选择]冲泡3min后能在冷水中完全溶解的速溶茶属于()。
A. 冷溶型
B. 非冷溶型
C. 温溶型D、热溶型
[单选题]正常使用中,蓝液压系统由谁供压?
A.动力转换组件
B.发动机驱动泵
C.电动泵
D.冲压空气涡轮
[单选题]民用无人机驾驶员多旋翼类别超视距等级申请人必须具有不少于多少小时的单飞训练时间
A.6
B.15
C.5
[单选题]患儿女,5岁,发热2天,体温达39.5℃,咽痛,咽部有脓性分泌物,周身可见针尖大小的皮疹,压之退色,触之有砂纸感。应考虑为
A.麻疹
B.水痘
C.猩红热
D.乙型脑炎
E.腮腺炎
[多选题]中暑分为哪几型:
A. 热射病(包括日射病)
B. 热适应
C. 热痉挛
D. 热衰竭
[单选题]按《铁路技术管理规程》列车运行等级顺序,快速旅客列车属于( )。
A.一等
B.二等
C.三等
D.四等
[单选题]绿色方向指示信号灯的箭头向右时,准许车辆( )。
A.直行
B.左转
C.右转
D.掉头
[单选题]“独坐幽篁里, 弹琴复长啸”“泠泠七弦上, 静听松风寒冷”, “主人有酒欢今夕, 请奏鸣琴广陵客”, 这些诗词中所指的乐器是( )。
A.竹笛
B.古琴
C.古筝
D.编钟
[单选题]因项目无法完工、延期完工或完工后无法达到预期运行标准而带来的风险是( )。
A.技术风险
B.信用风险
C.金融风险
D.建设开发风险
[多选题]供热管道主干线水力计算选择较大管径时 ( )
A.循环水泵扬程较小
B.网路水力稳定性好
C.网路热损失较小
D.基建投资大
[单项选择]
M: Hello!
W: Hello, Mike! This is Jane.
M: Oh. Hello, Jane!
W: Listen, Mike! I’ve got a real problem.
M: What is it
W: The ear’s broken down.
M: Oh, not again.
W: Yeah: I checked the oil and I checked almost everything. It’s just not starting at all.
M: You have to get rid of it, you know.
W: I know, I know. But look, the thing is, I’ve got to pick Tom up at the airport. Can I…
M: Use my car Yes, of course.
W: That’ll be great! It’s very kind of you.
M: Come on when you like. I don’t need it till tonight.
W: OK! I’ll be around in about an hour. Thanks a lot!
M: It’s all right. See you then!
W: See you!
Why did Jane call Mike ( )
A. To ask him to meet her.
B. To tell him about Tom.
C. To borrow his car.
D. To give him a surprise.
[单选题]在有毒区域发生空气呼吸器报警或遇特殊情况,作战小组全体人员必须( ),严禁擅自降低防护等级,强行作业。
A.停止作业
B.立即报告
C.立即撤离
D.准备撤离
[单项选择]风险效益分析方法的英文缩写是()。
A. CBA
B. RBA
C. MCA
D. CEA
[单选题](76238)KT01客车按键式轴温报警器,若显示屏显示“NE-0”或“NE-1”分别表示第N号轴数的温度传感器 出现( )状态。 [311110235](1.0分)
A.正常和开路
B.正常和短路
C.短路和开路
D.开路和短路
[单选题]某企业为增值税小规模纳税人,该企业购入一批原材料,取得的增值税专用发票上注明价款为100万元.增值税税额13万元,另支付保险费1万元。不考虑其他因素,该批材料的入账成本为( )万元。
A.113
B.114
C.101
D.100
[单选题]“大三角”通信,是指列车调度员、车站值班员和“ ”之间的通信。
A.机车司机
B.动车组机械师
C.乘警长
D.列车长
[单项选择]下列选项不属于进度控制内容的是( )。
A. 在收集资料的调查研究的基础上编制进度计划
B. 项目的工作编码
C. 进度目标的分析和论证
D. 进度计划的跟踪检查与调整
[判断题]环境温度保持在24℃–25℃,蓄电池具有最佳的使用寿命和性能。环境温度低于25℃,蓄电池的充电效率和性能会降低。温度高于25℃,蓄电池的寿命将缩短。
A.正确
B.错误
[单项选择]在反对1970年的净化空气法令时,美国汽车工业论述说,使汽车尾气合乎法令的标准不但在经济上不可行,而且从环境方面讲也没必要。然而1967年发明的催化转化器,有效地使汽车制造商达到了1970年的标准。目前,汽车制造商正在通过游说反对政府打算通过加强汽车尾气限制的法令。汽车制造商争论说,要达到这些新的限制不但要使他们付出非常昂贵的代价,而且对抑制空气污染来说也不需要。很明显,不应关注汽车制造商的立场。 下面哪一项,如果正确,能对汽车制造商的现在立场构成最有力的支持( )
A. 限制汽车尾气的法令越苛刻,汽车制造商就越难比较经济地提供所需的技术
B. 尾气限制技术可常常被设计用来克服汽车在燃烧汽油时效率的降低
C. 对汽车制造商来说,并非每一条新的尾气限制法都要求新的汽车技术来遵从它
D. 为了能抑制总的空气污染的增加,路上的汽车越多,对汽车排放的尾气的限制就应越严格
[多项选择]预应力钢筋张拉前检查()方面。
A. 孔口预埋锚座钢板应与孔道中心线垂直
B. 孔道内的灰渣等杂物不需要吹扫
C. 孔道应预留灌浆排气孔
D. 孔道应定位准确、内壁光滑
[判断题]动力配电箱与照明配电箱宜分别设置。当合并设置为同一配电箱时,动力和照明应分路配电;动力末级配电箱与照明末级配电箱可不分设。( )
A.正确
B.错误
[单项选择]
Passage One
To us it seems so natural to put up an umbrella to keep the water off when it rains, but actually the umbrella was not invented as protection against rain. Its first use was as a shade against the sun.
Nobody knows who first invented it, but the umbrella was used in very ancient times. Probably the Chinese were the first to use it in the eleventh century B. C.
We know that the umbrella was used in ancient Egypt and Babylon as a sunshade. And there was a strange thing connected with its use: it became a symbol of honor and authority. In the Far East in ancient times, the umbrella was allowed to be used only by the king or by those in high office.
In Europe, the Greeks were the first to use the umbrella as a sunshade. And the umbrella was in common use in ancient Greece. But it is believed that the first persons in Europe to use the umbrella as protection against the rain were the ancient Romans. During the Middle Ages, the use of
A. during the Middle Age
B. by the 18th centruy
C. in Rome
D. in Greece
[判断题](2901)( )线路两股钢轨顶面,在直线地段,应保持同一水平。(1.0分)
A.正确
B.错误
[单选题]下列关于胰岛素的描述,错误的是( )。
A. 促进葡萄糖转变为脂肪酸
B. 促进糖的储存和利用,使血糖降低
C. 促进脂肪和蛋白质的分解与利用
D. 是维持正常代谢和生长所不可缺少的重要激素之一
E. 胰岛素缺乏时,血糖升高,尿中有糖,称为糖尿病