热门试题:
[判断题]货物列车最后第二、三辆不得为关门车。
A.正确
B.错误
[填空题]社会主义学校的德育包括三个组成部分,即( )教育、( )教育、( )教育。
[单选题]产生串联谐振的条件是( )。 ( )
A.XL>XC
B. XL<XC
C. XL=XC
D.XL+XC=R
[简答题]S4. The most primary purpose of Bujor’s writing the book was to ______.
[单项选择]Ability to Rollover Unused Vacation Time
One of the benefits employees really want is the ability to rollover their unused vacation time. (29) you may indeed have some (30) mem-bers who abuse this benefit,the vast majority (31) use their vacation time wisely. (32) likely is it that anyone is going to save up months (33) vacation time and then use it all at once
The reality is that your employees have earned those days,and they would like to feel assured that they have (34) in case of an emergency.A short memo (35) them of the importance of using their vacation time wisely should be a sufficient safeguard (36) vacation-time abuse.
The bottom line for all employers (37) 。that you should be constantly looking for ways to attract and retain quality staff. (38) .that means a bit of strain (39) .your bottom line in the short (40) ,the return on your investment will nevertheless be c
A. colleague
B. staff
C. crew
[判断题]O-001 5 1 3
在准备涂油作业前,需要检查工具性能是否正常,准备油脂和需要更换的螺栓、螺帽和垫圈。
A.正确
B.错误
[多选题]会阴 ( )
A.广义的会阴呈菱形
B.尿生殖三角只有尿道穿过
C.肛门三角只有直肠穿过
D.狭义的会阴是指外生殖器与耻骨联合之间的区域
E.尿生殖三角与肛门三角的分界是坐骨棘之间的连线
[单项选择]润滑指按照用途分为防护润滑脂、密封润滑脂、分散润滑脂、增磨润滑脂和()。
A. 皂基润滑脂
B. 钠基润滑脂
C. 复合锂基润滑脂
D. 减磨润滑脂
[多选题]依据湖南省公司2020年提质增效专项行动,灵活电能替代价格策略具体实施方案包括( )
A.甄选潜在目标客户
B.严格制定准入标准
C.与客户口头约定价格策略
D.签订电费补充协议
[多项选择]安全出口应经常()。
A. 清理
B. 维护
C. 保持畅通
[单项选择]患者,男,56岁。左上后牙咬合不适2个月余,夜间疼痛2天。检查:左上6未见明显龋损,近中疑似有一裂纹,叩(+),咬诊引起撕裂样疼痛,温度测试引起持续性疼痛。对该牙的处理以下哪一项不正确()
A. 降低咬合
B. 制作带环
C. 牙髓治疗
D. 根管治疗后冠修复
E. 磨除裂纹充填
[填空题]线网播控中心在数据信息传输时应对其进行加密及解密,采集、传输过程中应防止数据丢失,确保信息的( )。
[单选题]下列可在烘箱内烘烤的是( )。
A.比色管
B.碘量瓶
C.容量瓶
D.试剂瓶
[单项选择]交流接地:交流工作接地、保护接地、()。
A. 防雷接地
B. 直流接地
[单选题] 低浓度的气膜控制系统, 在逆流吸收操作中, 若其他条件不变, 但入口液体组成 增高时,则气相出口组成将( )。
A.增加
B.减少
C.不变
D.不定
[单项选择]
{{B}}TEXT E{{/B}}
In the 1960s scientists
begin to recognize that environmental contaminants could not only affect the
health and survival of individual animals but also alter the prospects for their
off-spring and thereby potentially change the genetic makeup of entire
populations.
Researchers were first altered to problems in
wildlife in the 40s after the populations of eagles, falcons, and the other
fish-eating birds in Britain plummeted. In nest after nest the birds’ eggshells
were so thin that they cracked under the weight of the adults during incubation.
In the 1960s David Peakall and other wildlife toxicologists demonstrated that
the accumulation of very high levels of such pesticides as DDT in the birds’
tissues had seriously impaired their productive capabilities. Some of these
declines resulted in the complete disappearance of populations from large
portions of their former range. In North America, for example, the e
A. Contaminants have nothing to do with a critical loss of genetic variability in populations of living organisms.
B. Contaminants can affect human beings,
C. Before 1960, some experiments about contaminants’ effect on genetic variability in populations of living organisms had been made.
D. Hebert comes from Wayne State University.
[判断题]标准圆锥销的锥度1:50。( )
A.正确
B.错误
[单选题]我行与客户建立业务关系时,客户存在以下( )行为情况时,不应拒绝开户。
A.客户主动提供身份证件及其他证明文件
B.不配合客户身份识别
C.拒绝提供身份证件
D.发现客户有涉嫌洗钱等其他严重违法行为的
[单项选择]功能清热泻火,滋阴润燥的药物是()
A. 石膏
B. 知母
C. 芦根
D. 天花粉
E. 栀子
[单选题]装载木材时,材长大于4m的,每垛整体捆绑( )。[321020202]
A.5道
B.4道
C.3道
D.2道
[单选题]下列组织灭火救援紧急撤离行动正确的是?
A.要明确专人负责,多点设置观察哨,全面掌握灭火救援现场态势发展。指挥员和安全员必须密切观察现场情况,发现险情或接到险情报告及时发出撤离信号,来不及报告时应立即发出撤离信号,并迅速撤离;其他人员发现险情时,可以不报告或示警。
B.在有爆炸、倒塌等危险区域作业时,要提前清除紧急撤离路线上的障碍;在油罐区防护堤内作业时,要确定防爆掩蔽体或提前设置利于快速撤离的设施。遇爆炸等危险征兆来不及撤离时应就近卧倒,依托掩体避险;匍匐撤离时,头部应朝向撤离方向、脸部向下。
C.明确撤离要求,特别紧急情况下,也不能放弃车辆和器材徒手快速撤离。
D.在高层、地下建筑等复杂场所作业时,分层分区设置人员接应点,确保人员快速有序撤离。
发出紧急撤离信号后,战斗员可以无视情况选择继续灭火进攻。
[单项选择]下列有关败血症的叙述哪项正确()
A. 革兰阴性细菌败血症好发于男性青壮年
B. 成熟脓肿的切开排脓易诱发败血症
C. 革兰阳性细菌败血症感染性休克多见
D. 败血症皮疹为多形性,以瘀点、瘀斑多见
E. 新生儿败血症最常见的致病菌为肠球菌
[单项选择]设有如下程序:#include <iostream. h>class A{public:int i;display( ){ cout<<"class A/n"; }};class B{public:int i;display( ){ cout<<"class B/n"; }};class C: public: A, public: B{int j;public:int i;show( ){ j=i*i; display( ); }};void main( ){C demo;demo. show( );}则主程序运行时,将( )。
A. 因为变量i的重复定义而报错
B. 因为对象demo间接调用display函数时产生歧义性而报错
C. 因为类定义的语法错误而不能运行
D. 没有语法错误,能够正常输出结果
[多项选择]牡丹皮的主治证是()。
A. 血瘀经闭
B. 温毒发斑
C. 跌打伤痛
D. 血热吐衄
E. 无汗骨蒸
[简答题]Many people intend to get white-collar jobs after graduation.
[单选题]有管辖权的人民法院由于特殊原因不能行使管辖权的,由( )指定管辖。
A.审判委员会
B.当地高级人民法院
C.上级人民法院
D.最高人民法院
[多项选择]下列关于高强度螺栓施工,叙述正确的是()。
A. 高强度螺栓连接前只需对连接副实物进行检验和复验,检验合格后进入安装施工
B. 严禁把高强度螺栓作为临时螺栓使用
C. 高强度螺栓的安装应能自由穿入孔,严禁强行穿入
D. 高强度螺栓连接中连接钢板的孔径略大于螺栓直径,并必须采取钻孔成型的方法
E. 高强度螺栓在终拧以后,螺栓丝扣外露应为2至3扣,其中允许有10%的螺栓丝扣外露1扣或4扣
[判断题]压力容器的某些方面虽然出现了异常情况,但经过及时妥善处理后,又恢复正常运行,这种异常情况一般称为压力容器故障。 ( )
A.正确
B.错误
缅甸黑心木多少钱一吨 还叫缅甸黑檀木 是木料不是家具
缅甸黑心木多少钱一吨 还叫缅甸黑檀木 是木料不是家具
[单选题] 作为吸收剂不能用于吸收有机气体的是( )。
A.苯
B.甲醇
C.水
D.乙醚
[单项选择]钢材的力学性能指标,最基本,最重要的是()时的力学性能指标。
A. 承受剪切
B. 承受弯曲
C. 单向拉伸
D. 双向和三向受力
[单项选择]While still in its early stages, welfare reform has already been judged a great success in many states, at least in getting people off welfare. It’s estimated that more than 2 million people have left the rolls since 1994.
In the past four years, welfare rolls in Athens County have been cut in half. But 70 percent of the people who left in the past two years took jobs that paid less than $6 an hour. The result: The Athens County poverty rate still remains at more than 30 percent--twice the national average.
For advocates (代言人) for the poor, that’s an indication much more needs to be done.
"More people are getting jobs, but it’s not making their lives any better," says Kathy Lairn, a policy analyst at the Center on Budget and Policy Priorities in Washington.
A center analysis of US Census data nationwide found that between 1995 and 1996, a greater percentage of single, female-headed households were earning money on their own, but that average income for these househo
A. Because many families are divorced.
B. Because government aid is now rare.
C. Because their wages are low.
D. Because the cost of living is risin
[单项选择]对抗相对人请求权或其他权利的权利在民法上称之为( )。
A. 原权
B. 主权利
C. 抗辩权
D. 绝对权
[多选题]消防救援机构询问证人,可以( )进行。[中]
A.到其所在单位
B.必要时通知或者传唤其到消防救援机构
C.到其居居住地居(村)委会
D.到其住所