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[单选题]4 月 24 日上午,在江苏南京举行的 2021 年中国航天日启动暨中国航天大会开幕仪式上,国家航天局正式公布我国首辆火星车命名为“( )”
A.祝融
B.计蒙
C.禺强
D.共工

热门试题:

[单选题]每月理财经理要以( )的形式将工作总结和计划进行报送。
A.口头
B.电话
C.书面报告
D.邮件
[单项选择]John finally got the job after ______ seemed an endless wait.


A. what
B. that
C. it
D. there
[判断题]卧车大走廊设3个消防锤。
A.正确
B.错误
[判断题]接收影像交换系统的查复书,交业务主管审核后按有关规定作相应处理或通知客户,查复书附原查询书匹配归档保管,以备存查
A.正确
B.错误
[简答题]请举例简述决策树的基本流程。
[判断题]樟科植物吴茱萸的近成熟果实含有吴茱萸烯、吴茱萸碱等成分。()
[单项选择]监理工程师按委托监理合同要求对设计工作进度进行监控时,其主要工作内容有( )。
A. 编制阶段性设计进度计划
B. 定期检查设计工作实际进展情况
C. 协调设计各专业之间的配合关系
D. 建立健全设计技术经济定额
[单项选择]在以下衡量价格水平的指数中,能够综合反映消费、投资、政府购买、净出口各环节价格水平变动的是( )。
A. GDP平减指数
B. 商品零售价格指数
C. 消费物价指数
D. 生产价格指数
[多项选择]下列可以作出冻结单位存款的有权机关有()。
A. 人民法院
B. 人民检察院
C. 国家安全机关
D. 证券监督管理机关
E. 监察机关
[多选题] 我行不予兑付旅行支票的情况包括( ) 。
A. 破损
B. 空白
C. 冻结
D. 初复签不一致
[单项选择]女性,18岁,曾有被狗咬伤史,未接种狂犬疫苗,病人近来出现恐怖、咽肌痉挛和呼吸困难。
狂犬病毒对什么组织有强大的亲和力
A. 神经组织
B. 结缔组织
C. 肌肉组织
D. 胶原组织
E. 皮肤、黏膜
[单选题]《职业病目录》规定,职业病有( )类。
A.九
B.十
C.十一
[单项选择]
Computers

The initial impact of computers was in the area of entertainment. If you walked by a video arcade in the early 1980s, you could not have failed to notice that the use of video games was growing at what some considered an alarming rate. In 1981 the movie industry grossed $ 3 billion, video games took in an estimated $ 6 billion. That gives you some idea of just how big the computer industry had become. Video games employ the same technology as personal computers, and indeed many who bought personal computers did so primarily for playing games at home, thus saving their quarters. Though video games are not as popular as they were a few years age, they did provide consumer with their first real reason to buy PCs.
A. more recent computer innovation, desktop publishing, supplies one good reason for those who write for a living to buy a PC. Desktop publishing is a deceptively simple description for an extremely complex group of h
A. Computer may cause health problems for its users.
B. Computer has led to a revolution in every aspect of people’s life.
C. Computer is financially within the reach for most consumers.
D. The influence of computer has on people’s life is not as great as people have predicte
[单选题]所有的()都能使皮肤保湿,并通过柔软的皮肤呼吸。
A.海洋动物
B.爬行动物
C.两栖动物
[名词解释]表面改性技术
[判断题] 当润滑油温度升高时,其黏度随之降低。( )
A.正确
B.错误
[简答题]无缝线路上,阻止钢轨及________________移动的阻力有纵向阻力、横向阻力和竖向阻力。
[T]
[单项选择]CM中的主要结构蛋白是()
A. ApoB48
B. ApoE
C. ApoC
D. ApoAl
E. ApoB100
[单项选择]正常的阴道菌群中占优势的是()。
A. 乳酸杆菌
B. 棒状杆菌
C. 大肠杆菌
D. 类杆菌
E. 梭状杆菌
[单选题]用灭火器灭火时,灭火器的喷射口应该对准火焰的( )。
A.上部
B.中部
C.根部
D.周围
[判断题] 煤矿井下发生水灾时,被堵在巷道的人员应妥善避灾静卧,等待救援。( )
A.正确
B.错误
[多项选择]科举制度的考试形式主要有()
A. 院试
B. 乡试
C. 县试
D. 会试
E. 殿试
[单项选择]创新的哲学依据是()
A. 人脑是意识的源泉
B. 认识是实践的基础
C. 辩证的否定观
D. 事物是相对稳定的
[判断题]CRH380B动车组,在砂管加热器周围有烫伤危险。砂子掉落及撒落造成的危险,可能造成永久性的眼睛损伤,安装撒砂装置时须戴上防护眼镜。
A.正确
B.错误
[单选题]液压系统的功率大小与系统的压力和(  )大小有关。
A. 流量
B. 流速
C. 油料
D. 油质
[判断题]转子串频敏变阻器启动的转矩大,适合重载启动。( )
A.正确
B.错误
[单选题] 下列不是硬质线材构成方式的是
A.继续构造
B.垒积构造
C.线层结构
D.框架结构
[单选题] 地基内的土壤往往是()。
A.分层的
B.均匀的
C.同一类的
D.性质一致的
[多选题]使用携带型火炉或喷灯时,不准在( )附件以及在电缆夹层、隧道、沟洞内对火炉或喷灯加油及点火。
A.带电导线
B.带电设备
C.变压器、油断路器(开关)
D.施工车辆
[判断题]《南昌局集团公司时速160 公里动力集中动车组客运组织管理办法》(南铁客〔2020〕221号)规定160动车组车内设有应急备品、应急药箱及反恐备品,定位存放。
A.正确
B.错误
[单选题]触电急救,在医务人员()前,不得放弃现场抢救,更不能只根据没有呼吸或脉搏的表现,擅自判定伤员死亡,放弃抢救。
A.未到达
B.未接替救治
C.作出死亡诊断
D.判断呼吸或脉搏表现
E.略
F.略
[单项选择]有权的国家机关在其职权范围内,以一定的方式,对一定范围的规范性法律文件进行审查,确定它们或存或废或改动的专门活动是()
A. 法的修改
B. 法的审查
C. 法的清理
D. 法的汇编
[单项选择]
Arctic Melt

Earth’s North and South Poles are famous for being cold and icy.Last year,however,the amount of ice in the Arctic Ocean(北冰洋)fell to a record low.
Normally,ice builds in Arctic waters around the North Pole each winter and shrinks(缩小)during the summer.But for many years,the amount of ice left by the end of summer has been declining.
Since 1979,each decade has seen an 11.4 percent drop in end-of-summer ice cover.Between 1981 and 2000.ice in the Arctic lost 22 percent of its thickness-becoming 1.13 meters thinner.
Last summer,Arctic sea ice reached its thinnest levels yet.By the end of summer 2007,the ice had shrunk to cover just 4.2 million square kilometers.That’s 38 percent less area than the average cover at that time of year.And it’s a very large 23 percent below the previous record low,which was set just 2 years ago.This continuing trend has made scientists concerned.
There may be several reasons for
A. the ice melt in the Arctic may never stop.
B. scientists are trying hard to stop the ice melt in the Arctic.
C. scientists are delighted to find out what is going on in the Arctic.
D. the warming trend in the Arctic can be reversed in the near future.
[单选题]在灭火战斗中,一切处置行动自始至终要严防引发爆炸,当遇有紧急情况危急参战人员的生命安全时,指挥员应果断下达( )命令。(易)
A.撤离
B.避险
C.掩护
D.停止进攻
[填空题]呕血的原因很多,但以________最为常见,其次为_____________,再次为_____________。
[判断题]电器电路发现异常,暂不影响使用的,可以继续使用,但应当及时报告有关部门进行处理。
A.正确
B.错误
[单项选择]一般来说,经营者年薪制的构成要素不包括()
A. 可变工资
B. 浮动工资
C. 提成工资
D. 固定工资
[判断题]列车上办理“变更到站”收取2元手续费。
A.正确
B.错误

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