热门试题:
[单项选择]下列物质燃烧,火焰特征不显光的是()。
A. 木材
B. 乙醇
C. 乙酸
D. 苯
[多项选择]任何光分析法包括三个主要过程()。
A. 辐射源提供能量
B. 辐射与被测物质间相互作用
C. 产生被检测的信号
[单选题]三自由度手腕的形式有( )。
①BBR手腕 ②BRR手腕 ③RRR手腕 ④BBB手腕 ⑤BRB手腕 ⑥RBR手腕
A.①②③
B.①②③④
C.②③④
D.①④⑤
[单项选择]当物体受平衡力作用时,它处于静止状态或作()。
A. 变速直线运动。
B. 变速曲线运动
C. 匀速直线运动
D. 匀速曲线运动。
[单项选择]目前,灵敏度和准确性高,中药含量测定方法的首选和主流方法是
A. 原子吸收光谱仪
B. 高效液相色谱法
C. 紫外光谱法
D. 薄层扫描法
E. 气相层析法
[单项选择]下列操作中,不能退出Word环境的是
A. 用鼠标左键双击标题栏最左边的"W"符号
B. 按<Alt>+<F4>键
C. 用鼠标左键单击"文件"菜单中的"关闭"命令
D. 用鼠标左键单击"文件"菜单中的"退出"命令
E. 以上答案均不正确
[判断题]公安消防部队现场作战指挥部的总指挥员,一般由公安消防总(支)队当日值班指挥长或者到场的总(支)队领导担任。( )
A.正确
B.错误
[填空题]
The first two stages in the development of civilized man were probably the invention of primitive weapons and the discovery of fire, although nobody knows exactly when he acquired the use of the latter.
41)______Animals have a few cries that serve as signals, but even the highest apes have not been found able to pronounce words, even with the most intensive professional instruction. The superior brain of man is apparently a necessity for the mastering of speech. When man became sufficiently intelligent, we must suppose that he gradually increased the number of cries for different purposes. It was a great day when he discovered that speech could be used for narrative. There are those who think that in this respect picture language preceded oral language. A man could draw a picture on the wall of his cave to show in which direction he had gone, or what prey he hoped to catch. 42)______
Two important stages came not so long before the dawn of written history. The fir
[简答题]PassageThree
Questions41to45arebasedonthefollowingpassage
Americanstodaydon‘tplaceaveryhighvalueonintellect.Ourheroesareathlete,entertainers,andentrepreneurs,notscholars.Evenourschoolsarewherewesendourchildrentogetapracticaleducation-nottopursueknowledgeforthesakeofknowledge.Symptomsofpervasiveanti-intellectualisminourschoolsaren‘tdifficulttofind.
Schoolshavealwaysbeeninasocietywherepracticalismoreimportantthanintellectual,‖sayseducationwriterDianeRavitch.―Schoolcouldbeacounterbalance.‖Ravitch‘slatestbook,LeftBack:ACenturyoffailedSchoolReforms,tracestherootsofanti-intellectualisminourschools,concludingtheyareanythingbutacounterbalancetotheAmericandistasteforintellectualpursuits.
Buttheycouldandshouldbe.Encouragingkidstorejectthelifeofthemindleavesthemvulnerabletoexploitationandcontrol.Withouttheabilitytothinkcritically,todefendtheirideasandunderstandtheideasofothers,theycannotfullyparticipateinourdemocracy.Continuingalongthispath,sayswriterEarlShorris,―Wewil
A. A.identical
B.similar
C.complementary
D.opposite
[多选题]Which statements about local remedies are correct?
A. Local remedies include only reference to the courts and tribunals.
B. Local remedies include also the use of the procedure facilities which municipal law makes available to litigants before such courts and tribunals.
C. Local remedies applied to injuries should be effective.
D. An individual or corporation does not need to exhaust all appeal mechanisms if such appeals are clearly going to prove futile.
[判断题]长石的助熔作用是由于本身的低温熔融而引起的。
[单选题]WD-320动力稳定车其电子摆的信号刻度是()。
A.20.1mv/mm
B.23.1mv/mm
C.23.5mv/mm
D.25mv/mm
[单项选择]按《医疗事故处理条例》规定,下列情形中属三级医疗事故的正确说法是()
A. 明显人身损害
B. 轻度残疾或器官组织损伤导致一般功能障碍
C. 轻度残疾或器官组织损伤导致严重功能障碍
D. 严重残疾或器官组织损伤导致一般功能障碍
E. 严重残疾或器官组织损伤导致严重功能障碍
[判断题] 制动装置在落成实验时,只需做空气制动的单车试验。 ( )
A.正确
B.错误
[单选题]单字母符号“R”表示( )。
A. 电压类
B. 电流类
C. 功率类
D. 电阻类
[单选题]“一带一路”倡议是中国特色大国外交的伟大( )。
A.实践
B.战略
C.目标
D.建设
[单选题]设备安装基准线是根据施工图纸,按( )来确定设备的纵横中心线。
A.土建提交的纵横中心线
B.土建预留孔的位置
C.设备底座地脚孔的位置
D.建筑物的定位轴线
[单项选择]预算定额是按照( )编制的。
A. 社会平均先进水平
B. 社会平均水平
C. 行业平均水平
D. 行业平均先进水平
[简答题]根据给定资料,分析当前高尔夫球场违规滥建现象的危害以及这一现象背后的原因。
要求:切合主题,分析条理清楚,语言流畅,简明扼要,不超过300字。
[判断题][交易价格]现阶段,单份合约有且仅有一个交易价格,市场条件成熟后,允许市场主体根据交易时段设定多个交易价格。
A.正确
B.错误
[单项选择]下列关于境内个人外汇管理的说法中,不符合法律规定的是( )。
A. 个人外汇收入应当向银行结汇
B. 个人结汇、购汇的年度总额为每人每年等值5万美元
C. 个人所购外汇可以汇出境外
D. 个人年度总额内购汇可以委托其直系亲属代为办理
[单项选择] User A executes the following command to update the TRANS table) SQL> UPDATE B.trans SET tr_amt=tr_amt+500 WHERE c_code=’C005’; Before user A issues a COMMIT or ROLLBACK command, user B executes the following command on the TRANS table: SQl> ALTER TABLE trans MODIFY (tr_type VARCHAR2 (3)); What would happen in this scenario?()
A. The transaction for user A is rolled back.
B. The ALTER TABLE command modifies the column successfully.
C. The ALTER TABLE command fails due to the resource being busy.
D. The ALTER TABLE command waits until user A ends the transaction.
[单项选择]有机磷中毒时出现的烟碱样症状是()
A. 多汗
B. 大便失禁
C. 抽搐
D. 视力模糊
E. 心悸、心慌
[单项选择]肾移植术后8天,病人发热。血压升高,情绪异常,尿少,血肌酐增高,尿内有蛋白,属于
A. 超急排斥反应
B. 急性排斥反应
C. 慢性排斥反应
D. 正常手术反应
E. 局部感染
[单选题]在扒道床时,正确的扒砟顺序为( )。
A.先扒左股外口,再扒右股内口,转身扒右股外口,最后扒左股内口
B.先扒左股内口,再扒右股外口,转身扒右股内口,最后扒左股外口
C.先扒右股外口,再扒左股外口,转身扒左股内口,最后扒右股内口
D.先扒右股内口,再扒左股内口,转身扒左股外口,最后扒右股外口
[判断题]配电设备的盘柜检修、查线、试验、定值修改输入等工作,宜在盘柜的前后分别悬挂“在此工作!”标示牌。( )
A.正确
B.错误
[单项选择]阿司匹林具有
A. 中枢性肌肉松弛作用
B. 反射性地兴奋呼吸的作用
C. 外周性肌肉松弛作用
D. 阻断多巴胺受体的作用
E. 抑制前列腺素合成的作用
[判断题]电缆及电容器接地前应逐相充分放电,星形接线电容器的中性点应接地,串联电容器及与整组电容器脱离的电容器应逐个多次放电,装在绝缘支架上的电容器外壳也应放电。
A.正确
B.错误
[简答题]A-D-D-001 2 3 2
波浪型磨耗,用1米钢直尺工作边放在钢轨顶面,在峰谷处加垫________________测量。
[单项选择]使用光盘安装Windows时,通常需要在BIOS中将第一启动盘设为()
A. HDD-0
B. HDD-1
C. CO-ROM
D. FLOPPY
[单选题]The worst agonies of the war were now beginning.
A.parts
B.aspects
C.pains
D.results
[单选题] 升降舵上偏时,会引起飞艇。
A. 抬头
B. 低头
C. 偏头
[单选题]制作铁扒鳕鱼的原料有( )。
A.布朗少司
B.鱼基础汤
C.莳萝少司
D.红花少司
[单项选择]23m长的钢绞线束移运时至少应设支点()个。
A. 5
B. 6
C. 7
D. 8