[单项选择]
{{B}}
How Sled Dogs Work{{/B}}
They’re physical
wonders--able to endure extreme conditions for extensive periods of time while
running fast and pulling more than their own weight. Sled (雪橇) dogs have been
around for generations, and today they remain a large part of a dog driver’s
life.
In Arctic (北极的) regions, some 35 000 years ago, Eskimos’
dogs bred with wolves and other dogs. Their offspring were well-adapted to the
cold and snow. There’s no saying exactly when someone thought to have dogs pull
sleds ,but it was well before 1000 B. C. that dog sleds provided a means of
transportation and a way to haul goods. In recent years, people looking for
unique outings have gone on recreational trips with sled dogs. A number of
companies market tourist treks via dog sled for adventure travelers.
Dogsled racing in Alaska formally began in 1908, when sled dog owners in
Nome, Alaska, held the f
A. It’s not encouraged.
B. It’s strongly protested.
C. It’s warmly welcomed.
D. It’s responded indifferently.
[判断题]在逻辑电路中有正负逻辑之分,当用“1”表示高电平,“0”表示低电平,称为正逻辑,反之称为负逻辑。()
A.正确
B.错误
[不定项选择]甲侵犯了乙的专利权,乙向人民法院提出诉前责令甲停止侵犯其专利权行为的申请。下列哪些说法是正确的()。
A. 乙提出申请时应当提供担保
B. 人民法院作出诉前责令甲停止有关行为的裁定,可以不通知甲
C. 乙在人民法院采取停止有关行为的措施后15日内不起诉的,人民法院解除裁定采取的措施
D. 在甲提出反担保的情况下,人民法院应当解除停止侵犯专利权行为裁定所采取的措施
[判断题]黄色灯光:允许信号,表示道岔已锁闭,进路中至少有一组道岔开通侧股,列车可以不超过道岔侧向限速的速度越过此信号机运行到下一个顺向信号机。( )
A.正确
B.错误
[判断题](3234)( )自阀手柄在最大减压位,单阀手柄由运转位推至单缓位,工作风缸压力下降至制动管压力;制动缸压力应缓解到0。( )
A.正确
B.错误
[单选题]下列关于消极式函证的说法中,错误的是( )。
A.采用消极的函证方式,注册会计师只要求询证者在不同意询证函列示信息的情况下才予以回函
B.采用消极的函证方式,如果收到回函,则能够为财务报表认定提供说服力强的审计证据
C.采用消极的函证方式,如果未收到回函,则认为证函列示信息无误
D.在采用消极的函证方式时,注册会计师通常还需辅之以其他审计程序
[判断题]特殊情况下,任何单位与个人可以自行修改归口部门、专业部门和统计人员依法搜集、整理 的统计资料。( )
A.正确
B.错误
[单选题]BAA047 3 1 4
稀释蒸汽汽包应在( )充水。
A.在氮气置换之后,系统开车之前
B.在急冷油加热结束之后,系统开车之前
C.在急冷水循环建立之后,系统开车之前
D.裂解炉稀释蒸汽切入汽油分馏塔之后
[判断题]覆冰天气时,绝缘子冰凌桥接长度不宜超过干弧距离的1/2。
A.正确
B.错误
[填空题]根据公司关于优化配电网工程可研及立项管理的指导意见,市公司发展部牵头、运检部(配电部)、营销部等部门参与,审查县(区)公司()建议。
[判断题]使用淘汰小型气动钻机进行探放水的,利用钻孔轨迹测量仪对轨迹测量符合规定。( )
A.正确
B.错误
[判断题]长期或频繁地靠近架空线路或其他带电体作业时,应采取使用距离测量仪、加装跨越架、隔离墙、限高绳等测量、隔离防护措施。
A.正确
B.错误
[单选题]美育又可以叫( )
A.艺术教育
B.情感教育
C.审美教育
D.美学教育
[填空题]
Section C
If you are like most people, you’ve indulged in fake listening many times. You go to history class, sit in the 3rd row, and look (1) at the instructor as she speaks. But your mind is far away, (2) in the clouds of pleasant daydreams. (3) you come back to earth. The instructor writes an important term on the chalkboard, and you (4) copy it in your notebook. Every once in a while the instructor makes a (5) remark, causing others in the class to laugh. You smile politely, pretending that you’ve heard the remark and found it mildly (6) . You have a vague sense of (7) that you aren’t paying close attention. But you tell yourself that any (8) you miss can be picked up from a friend’s notes. Besides, (9) . So back you go into your private little world, only later do you realize you’ve missed important information for a test.
Fake listening may be easily exposed, since
[单项选择]耐压与绝缘电阻指标相同,也是仪器是否合格的否决指标。按要求的数值给定电压经()试验,如没有击穿和飞弧即为合格。
A. lmin
B. 2min
C. 3min
D. 5min
[判断题]商业银行应当对计算机信息系统实施有效的用户管理和密码(口令)管理,对用户的创建、变更、删除、用户口令的长度、时效等均应当有严格的控制。( )
A.正确
B.错误
[单选题]评价信贷资产质量的指标不包括( )。
A.信贷余额扩张系数
B.利息实收率
C.流动比率
D.加权平均期限
[判断题]有值班调控人员、运维负责人正式发布的指令,并使用经事先审核的操作票
A.正确
B.错误
[单选题]瞳孔散大的影响因素以下何项不对?
A.看远物时
B.交感神经兴奋
C.缺氧、窒息、深度麻醉
D.在强光下
E.在黑暗处
[填空题]专家或学者所编制的适用于大规模范围内评定个体学业成就水平的测验称为( )。
[单项选择]各群志贺菌的侵袭相关基因都位于
A. 质粒
B. 染色体
C. 前噬菌体
D. 转座子
E. 插入序列
[单选题]债权人行使撤销权的必要费用由( )承担。
A.债权人
B.债务人
C.委托人
D.受托人
[单选题]待用间隔(已接上母线的备用间隔)应有( ),并纳入调度控制中心管辖范围。其隔离开关(刀闸)操作手柄、网门应能加锁。
A. A.名称
B.编号
C.名称、编号
D.名称、编号、电压等级
[单选题]数十年来,人们一直相信,HIV主要通过自由流动粒子在身体内进行扩散,这些粒子可将自身附着在一个细胞上,接管其复制机制,然后制作出自己的诸多副本。2004年,科学家就发现,HIV在细胞间的转移可通过病毒突触发生,但是他们无法了解为何这一过程在病毒扩散中如此有效。基于此,以前开发HIV疫苗的努力都集中在启动免疫系统来识别和攻击自由流动病毒蛋白上。
文中加点的“此”指的是:
A.自由流动粒子是HIV扩散的主要依附
B.自由流动粒子具有复制细胞的机制
C.病毒突触促进HIV在细胞间自由转移
D.HIV具有在细胞间直接转移的复制机制
[多选题]电动工具的电线不得(),使用时应避免载重车辆和重物压在电线上。
A.接触热体
B.暴晒
C.多圈缠绕
D.放在湿地上
[单选题]注册安全工程师按( )分类管理,具体办法由国务院人力资源和社会保障部门、国务院应急管理部门会同国务院有关部门制定。
A.类别
B.级别
C.专业
D.企业
[单项选择]在企业内、外一般商品流通使用、可供互换的托盘属于( )。
A. 平托盘
B. 特种托盘
C. 通用托盘
D. 消耗托盘
[多选题]下列哪些使水冲击的象征()。
A.主汽温度突降
B.轴向推力增大
C.胀差向负值发展
D.胀差向正值发展
[单项选择]On the 36th day after they had voted, Americans finally learned Wednesday who would be their next president: Governor George W. Bush of Texas.
Vice President A1 Gore, his last realistic avenue for legal challenge closed by a U. S. Supreme Court decision late Tuesday, planned to end the contest formally in a televised evening speech of perhaps 10 minutes, advisers said.
They said that Senator Joseph Lieberman, his vice presidential running mate, would first make brief comments. The men would speak from a ceremonial chamber of the Old Executive office Building, to the west of the White House.
The dozens of political workers and lawyers who had helped lead Mr. Gore’s unprecedented fight to claw a come-from-behind electoral victory in the pivotal state of Florida were thanked Wednesday and asked to stand down.
"The vice president has directed the recount committee to suspend activities," William Daley, the Gore campaign chairman, said in a written statement.
Mr. Go
A. Bush hopes Gore to join his administration.
B. Bush hopes Gore to concede defeat and to support him.
C. Bush hopes Gore to congratulate him.
D. Bush hopes Gore go on fighting with him.
[填空题]动车轮对由车轴、车轮、_____、_____、_____构成。
[多选题]外层导线线股有轻微擦伤,其擦伤程度不超过单股直径的( ),且截面积损伤不超过导电部分截面积的( )时,可不补修,用不粗于0号细砂纸磨光表面棱刺。
A.44200
B.44199
C.0.02
D.0.04
[简答题]1895年5月康有为率同梁启超等数千名举人联名上书清光绪皇帝的事件,历史上称之为什么?
[判断题]用人单位应当在必要时对工作场所进行职业病危害因素检测、评价。
A.正确
B.错误
[单选题]操作的基本条件之一:具有与实际运行方式相符的( )模拟图或接线图。
A.一次系统
B.二次系统
C.一次或二次系统
D.一次和二次系统