热门试题:
[单选题] 固体燃烧物质的燃点高于( )为可燃固体。
A. 300℃
B. 400℃
C. 500℃
D. 600℃
[单项选择]Linguists have understood for decades that language and thought are closely related. Humans construct reality using thought and express these thoughts through the use of language. Edward Sapir and his student Benjamin Whorl are credited with developing the most relevant explanation outlining the relationship between thought and language, the Sapir-Whorf Hypothesis. The hypothesis consists of two parts, linguistic relativity and linguistic determinism. Supporters of linguistic relativity assume that culture is shaped by language. Terwilliger defines linguistic determinism as the process by which "the functions of one’s mind are determined by the nature of the language which one speaks." In simpler terms, the thoughts that we construct are based upon the language that we speak and the words that we use. In its strongest sense, linguistic determinism can be interpreted as meaning that language determines thought. In its weakest sense, language partially influences thought. Whorl was caref
A. It has no empirical evidence in its favor.
B. It is formulated on the basis of only one case study.
C. Its applicability has been greatly exaggerated.
D. No convincing examples can be found to support its claim.
[多项选择]关于熔断器的选用和使用要求,()是说法正确的。
A. 熔断器的额定电压,必须大于等于配电线路电压
B. 熔断器的额定电流,应等于熔体的额定电流
C. 熔断器的分断能力,必须大于使用配电线路可能出现的最大短路电流
D. 熔体额定电流的选用,必须满足线路正常工作电流和电动机启动电流
[判断题]LFC41186 一次能源有:煤炭、石油、天然气及太阳能、风能、水能、地热能、电能、生物质能等。( )
A.正确
B.错误
[多项选择]内部控制缺陷是指监督检查过程中发现的()情形。
A. 内部控制的设计存在漏洞
B. 不能有效防范错误与舞弊
C. 内部控制运行存在弱点与偏差
D. 不能及时发现并纠正错误与舞弊
[判断题]采用在产品按定额成本计价法将生产成本在完工产品和在产品间进行分配的企业,其当期生产成本脱离定额的差异,应计入月末在产品成本。( )
[单项选择]教学创新评估的焦点应放在()上,以学生的和谐发展为根本目的.
A. 教师主体
B. 学生主体
C. 教师,学生双主体
D. 教材
[填空题]If a farmer wishes to succeed, he must try to keep a wide gap between his consumption and his production. He must store a large quantity of grain 【B1】 consuming all his grain immediately. He can continue to support himself and his family 【B2】 he produces a surplus. He must use this surplus in three ways: as seed for sowing, as an insurance 【B3】 the unpredictable effects of bad weather and as a commodity which he must sell in order to 【B4】 old agricultural implements and obtain chemical fertilizers to 【B5】 the soil. He may also need money to construct irrigation 【B6】 and improve his farm in other ways. If no surplus is available, a farmer cannot be 【B7】 . He must either sell some of his property or 【B8】 extra funds in the form of loans. Naturally he will try to borrow money at a low 【B9】 of interest, but loans of this kind are not 【B10】 obtainable.
A. A.only if
B.much as
C.long before
D.ever since
[单选题]转换柱使用处所:( )。
A.在区间和站场都有使用
B.在锚段关节处或其他接触悬挂下锚的地方采用
C.位于锚段关节处两锚柱之间
D.在四跨锚段关节位于两转换之间的支柱
[判断题]根据《起重机械安装改造重大修理监督检验规则》,起重机械上所附设的升降装置和用于安装修理等用途的起重设备,作为整机的附属装置随同整机一并检验,其检验项目可根据实际情况确定。
A.正确
B.错误
[判断题]乙炔发生器在运行过程中,可随时清除电石渣。
A.正确
B.错误
[单选题]空间净高不大于3米的公共建筑、工业建筑防烟分区的最大允许面积为()。
A.500
B.600
C.700
D.800
[单选题]铺设木岔枕的普通道岔两端各( )根地段轨枕,不宜铺设混凝土枕。
A.5
B.15
C.50
D.75
[判断题]当ABS制动系统的电控部分出现故障时,仍保留有车辆传统的制动功能。
A.正确
B.错误
[单项选择]下列不属于直接生产成本的是()。
A. 直接材料成本
B. 直接制造人工成本
C. 直接机器成本
D. 测试成本
[单选题]进行地网导通测试,当发现测试值在(____)mΩ以上时,应反复测试验证。
A.10
B.20
C.30
D.50
[单选题]车站出现火灾后,由( )来拨打119电话。
A.A、车务中心经理
B.B、综合监控调度员
C.C、车站现场人员
D.D、行车调度员
[单选题]
可实现有源逆变的电路为(____)。
A. 三相半波可控整流电路
B. 三相半控桥整流桥电路
C. 单相全控桥接续流二极管电路
D. 单相半控桥整流电路
[单项选择]山茱萸应()
A. 去毛
B. 去芦
C. 去皮
D. 去心
E. 去核
[单项选择]杜仲与续断的共同功效是()
A. 补肝肾
B. 续筋骨
C. 益气血
D. 行血脉
E. 祛风湿
[单项选择]关于群体药代动力学,下列叙述不正确的是()
A. 群体药代动力学研究血药浓度在个体之间的变异性
B. 群体药代动力学建立了患者个体特征和药动学参数之间的相互关系
C. 群体药代动力学将药动学模型与统计学模型相结合
D. 群体药代动力学研究目的是为用药个体化提供依据
E. 群体药代动力学主要应用于新药Ⅰ期临床试验
[判断题]机关及勤务保障单位因工作原因临时借用消防员不需要由支队以上单位正职领导审批。( )
A.正确
B.错误
[填空题]
下面的短文后有2项测试任务:(1)第23~26题要求从所给的6个选项中为第1~4段每段选择1个最佳标题;(2)第27~30题要求从所给的6个选项中为每个句子确定1个最佳选项。
{{B}}Cancer{{/B}}
1. Cancer is a group of many related diseases that begin in
cells, the body’s basic building blocks. The body is made up of many types of
cells. Normally, cells grow and divide to produce more cells as they are needed
to keep the body healthy. Sometimes, this orderly process goes wrong. New cells
form when the body does not need them, and old cells do not die when they
should. The extra cells form a mass of tissue called a growth or tumor (肿瘤).
Benign (良性的) tumors are not cancer. They can often be removed and, in most
cases, they do not come back. Malignant (恶性的) tumors are cancer. Cells in
malignant tumors are abnormal and divide without control or order.
2.
Scientists have learned that cancer ’is caused by changes in genes that normally
control the growth and death of ce
[单选题]精确制导武器是指直接命中概率超过()的制导武器。
A. 40%
B. 50%
C. 60%
D. 70%
[单选题]E-B-B-B-008 3 2 5
配砟整形作业中,根据线路道砟状况( )号位调节右侧犁的犁板,使道床边坡符和作业要求,并配合中犁完成配砟工作。
A.1
B.2
C.3
D.4
[判断题]韦伯认为有效的领导者有着一种特殊的魅力,这种魅力是某种精神力量和个人特质。
[判断题]【安全技术等级考试输电线路专业二级判断题】13杆塔与接地线连接部分应清除油漆,接触良好。
A.正确
B.错误
[单选题]原位癌位于膀胱的哪个位置?
A.固有层
B.尿路上皮
C.固有肌层
D.膀胱周围脂肪
[简答题] 车站行车室内一切电话中断时的行车方式是什么?(应知应会-《技规》324条)
[单选题]电力系统电压的监视和调整可通过监视、调整(____)的电压而实现。
A.电压控制点
B.电压监视点
C.电压中枢点
D.电压监测点
[单选题]口服避孕药的作用是 ( )
A.非细菌性异物反应
B.使宫颈黏液变稀薄
C.减少子宫内膜前列腺素的形成
D.抑制排卵
E.抑制输卵管蠕动
[单选题]机动车上下渡船在跳板上行驶时,须( )。
A.避免危险,迅速通过
B.低速慢行,匀速通过
C.视具体情况而定
D.以上说法都不正确
[单项选择]“停车坐爱枫林晚,霜叶红于二月花”的作者是()
A. 杜牧
B. 李白
C. 杜甫
D. 李商隐
[单选题]电炉测试料前一共安排( )炉洗炉。
A.1
B.2
C.3
D.4
[单选题] 下列说法错误的是()。
A.安全生产的批评权,是指从业人员对本单位安全生产工作中存在的问题有提出批评的权利
B.安全生产的检举权、控告权,是指从业人员对本单位及有关人员违反安全生产法律、法规的行为,有向主管部门和司法机关进行检举和控告的权利
C.检举必须署名
[多选题]事故应急预案体系按其功能和目标可分为( )三个层次。
A..综合应急预案
B.单位应急预案
C.专项应急预案
D..现场应急方案
E.现场处置方案
[单选题]活塞顶面制成W形的目的是( )。
A.结构要求
B.吻合喷油器喷射角度
C.减轻活塞质量
[多选题]下列哪些属于公司的数字化创新系统
A.A、VCRM
B.B、钛E融
C.C、ISV