热门试题:
[判断题]晶闸管在导通情况下,只要有一定的正向阳极电压,无论门极电压如何,晶闸管保持导通。
A.正确
B.错误
[单项选择]More surprising, perhaps, than the current difficulties of traditional marriage is the fact that marriage itself is alive and thriving. As Skolnick notes, Americans are a marrying people: Relative to Europeans, more of us marry and we marry at a younger age. Moreover, aster a decline in the early 1970s, the rate of marriage in the United States is now increasing. Even the divorce rate needs to be taken in this pro-marriage context: some 80 percent of divorced individuals remarry. Thus, marriage remains, by far, the preferred way of life for the vast majority of people in our society.
What has changed more than marriage is the nuclear family. Twenty-five years ago, the typical American family consisted of a husband, a wife, and two or three children. Now, there are many marriages in which couples have decided not to have any children. And there are many marriages where at least some of the children are from the wife’s previous marriage, or the husband’s, or both. Sometimes these ch
A. Americans are more traditional than Europeans
B. Americans expect more out of marriage than Europeans
C. there are more married couples in U. S. A than in Europe
D. more of Americans, as compared with Europeans, prefer marriage and they accept it at a younger age
[判断题] 短时间退出防误操作闭锁装置,由配电运维班班长批准,并应按程序尽快投入。( ) (1.0分)
A.正确
B.错误
[单项选择]
Lots of creatures already reproduce without sex. Since the birth of Louise Brown, the first test-tube baby, in 1978, (1) of human beings (2) in laboratory glassware rather than in bed.
If human cloning becomes possible—and since the birth of a sheep called Dolly, (3) doubt that it will be feasible to clone a person by 2025—even the link between sex organs and reproduction (4) . You will then be able to take a cutting from your body and grow a new person, (5) you were a willow tree.
(6) , we have already divorced sex from reproduction. In the 1960s, the contraceptive pill freed women to enjoy sex for its own sake. (7) , greater tolerance of homosexuality signaled society’s acceptance of nonreproductive sex of another sort. These changes are only continuations of a (8) that started perhaps a million years ago.
Human beings (9) the interest in infertile, social sex
A. rather than
B. other than
C. instead
D. despite
[单选题]急性胰腺炎上腹部剧痛的病人,护士应帮助其采取哪种体位 ( )
A.仰卧位,头偏向一侧
B.头高足低位
C.俯卧位
D.屈膝侧卧位
E.去枕平卧位
[单选题]用 1000VMΩ 摇表检查低压系统的绝缘电阻,其值应大于( )。( )
A.200MΩ
B.300MΩ
C.400MΩ
D.500MΩ
[单选题]下列中压架空线路段中,不宜安装故障指示器的是(____)。
A.主干线路首段
B.较大支线首段
C.电缆支线首段
D.主干线分段处
[判断题]《铁路旅客运输服务质量规范》(铁总运〔2016〕247号)规定:遇车底变更时,做好宣传解释,乘务人员组织旅客换乘其他列车,或者按照车站通报的席位调整计划组织旅客调整席位,按规定做好站车交接。
A.正确
B.错误
[填空题]根据《保障农民工工资支付条例》,用工单位使用个人.不具备合法经营资格的单位或者未依法取得劳务派遣许可证的单位派遣的农民工,拖欠农民工工资的,由( )清偿,并可以依法进行追偿。
[多选题]运用中的电气设备是指( )的电气设备。
A.A.全部带有电压
B.B.一部分带有电压
C.C.一经操作即带有电压
D.D.检修中
[单选题]山东开始“户户通电”行动要早于全国10年,当时在山东做出这个决策的是()。
A.朱长富
B.谢明亮
C.马宗林
D.刘振亚
[多项选择]针刺过程中若出现弯针情况,此时不可再行()。
A. 呼吸
B. 提插
C. 捻转
D. 出针
E. 局部肌肉松解
[判断题]交叉互联的电缆线路可在绝缘头处装设保护器以限制护套上和绝缘接头绝缘片两侧感应电压的升高。()
A.正确
B.错误
[简答题]男女双方身体一直很好,结婚时要做婚前医学检查吗?
[填空题]1 AGCF收到节点注册请求后代替终端发起用户注册请求会生成contact头域,形如从此可以看出该用户从AGCF下挂节点号为( )的节点注册上来
[单选题]可杀死微生物,破坏酶
A.嫩蜜
B.中蜜
C.老蜜
D.蜂蜜
E.炼制蜜
[单项选择]肾岩好发年龄为:()
A. 10~20
B. 20~30
C. 20~40
D. 40~60
E. 60岁以上
[判断题]硫酸装置所有废液进V-290A/C池,V-290C中废液经中和处理合格后排入11#线。
A.正确
B.错误
[多选题]主变电站的主要设备包括有( )。
A.110KV开关
B.主变压器
C.35KV开关
D.各类闸刀
E.自动监控设备
[单选题]TYJL-Ⅱ型计算机联锁系统,可点压电务维修机显示屏菜单栏的“( )切换”按钮来切换所调用的记录数据文件,进行主备监控机各种信息的查询。[322000000]
A.A机
B.B机
C.C机
D.A/B机
[多项选择]供货方供应的产品存在质量缺陷,应该( )。
A. 如采购方同意,按质论价
B. 如采购方同意,原价付款
C. 如采购方不同意,供货方负责包修不负责包换
D. 不论采购方同意与否,均按不能交货对待
E. 如采购方不同意,供货方负责包修包换
[多选题]在1kV及以下电源中性点直接接地系统中,关于单相回路的电缆芯数的选择,下列哪些表述是正确的?( )
A.保护线与受电设备的外露可导电部位连接接地时,保护线与中性线合用一导体时,应选用两芯电缆
B.保护线与受电设备的外露可导电部位连接接地时,保护线与中性线各自独立时,应选用三芯电缆
C.受电设备外露可导电部位的接地与电源系统接地各自独立时,应选用二芯电缆
D.受电设备外露可导电部位的接地与电源系统接地不独立时,应选用四芯电缆
[判断题]为方便旅客旅行,每名旅客可携带普通2个打火机。
A.正确
B.错误
[单项选择]不支持呼吸衰竭诊断的是()
A. 有引起呼吸衰竭的病因
B. 有呼吸频率或节律的改变
C. 有缺氧表现
D. 不吸氧时,动脉血氧分压≤50mmHg(6.67kPA)
E. 不吸氧时,经皮血氧饱和度≤90%
[单选题]Qc83-120磁力启动器的主触头开距为()
A.(18±1)mm
B.(15±1)mm
C.(20+1)mm
D.否
[多选题]变压器安装施工方案包括(____)。
A.工程概况
B.编制依据
C.组织措施
D.安全措施
[单选题]下列选项中,不属于工伤保险积金来源的是( )。
A.工伤保险费
B.工伤保险基金的利息
C.工伤保险费滞纳金
D.社会保险行政部门部分经费
[判断题]在压⼒不变的条件下,对饱和蒸汽继续加热,蒸汽温度提⾼,就成为过热蒸汽。
A.正确
B.错误
[单选题]安全帽使时,帽壳( )有破损。
A. 不能
B. 允许
C. 可以能
[判断题] 1.LbB2112 国家规定 35kV 及以上电压等级供电的用户,受电端电压正负偏差能超过额定值的±9%。( )
A.正确
B.错误
[简答题]一个匝数N=50的线圈穿过线圈的磁通在0.4s内由8*10-3Wb均匀减少到2*10-3Wb,则线圈中感应电动势e的大小为(Q)。(计算结果保留小数点后两位)
[单选题]下列对腰椎穿刺术患者护理不正确的是
A.术中密切观察患者的生命体征
B.术后即可扶患着床边活动
C.有颅内压增高表现者,不宜多喝水
D.密切观察脑疝先兆
E.采集标本及时送检
[填空题]站台门与车门间滞留乘客,列车已启动,列车停下后,如列车头部已离开站台,用对讲机与车站联系,并按照的指挥进行处理。
[多项选择]会计核算软件必须提供( )的打印输出功能。
A. 会计报表
B. 会计账簿
C. 原始凭证
D. 记账凭证
[多选题]四个意识”是指:
A.政治意识
B.大局意识
C.核心意识和看齐意识。
D.思想意识。
[判断题]我国社会主义法律的制定不需要汲取和借鉴外国法律创制的经验。( )
A.正确
B.错误