热门试题:
[单选题]通风机的风机安装在无减振器的支架上,应垫上厚度为( )的橡胶板,找平找正后固定,并注意风机的气流风向。
A.4~5mm
B.6~7mm
C.8~9mm
D.10~12mm
[判断题]读者所借图书损坏、丢失时,都应照章赔偿。
[判断题]变压器在铁芯中产生交变磁通。
A.正确
B.错误
[判断题]机油温度高,机油的粘度就降低。
A.正确
B.错误
[填空题]农民问题,可以分为素质和减负两个问题,分别是()、()
[单项选择]
School Lunch
Research has shown that over half the children in Britain who take their own lunches to school do not eat
(51) in the middle of the day. In Britain schools have to
(52) meals at lunchtime. Children can
(53) to bring their own food or have lunch at the school canteen.
One shocking
(54) of this research is that school meals are much healthier than lunches prepared by parents. There are strict
(55) for the preparation of school meals, which have to include one
(56) of fruit and one of vegetables, as well as meat, a dairy item and starchy food like bread or pasta. Lunchboxes
(57) by researchers contained sweet drinks, crisps and chocolate bars. Children
(58) twice as much sugar as they should at lunchtime.
The research will provide a better
(59) of why the percentage of overweight students in Britain has
(60) in the last decade.
A. prevent
B. define
C. decide
D. delay
[判断题]对人民检察院和人民法院决定取保候审的,公安机关无权作出没收保证金和对保证人罚款的决定。
[多选题]青年兴则国家兴,青年强则国家强。青年一代( ),国家就有前途,民族 就有希望。
A.有品德
B.有理想
C.有本领
D.有担当
[判断题]账务处理系统中的数据备份只需将计算机内的凭证、科目表和账簿文件复制到硬盘上予以保存即可。 ( )
[单选题]因气管平滑肌对致痉剂和药物的反应最敏感,而作为支气管扩张药物研究最常用的动物是 ______。 ( )
A.小鼠
B.大鼠
C.豚鼠
D.兔
[单选题]下列哪一项灾害的重要特征是以“灾后救灾”为主( )
A.洪涝灾害
B.地震灾害
C.台风灾害
D.海啸灾害
[单项选择]乳牙期及替牙期的局部障碍是形成错牙合畸形的局部因素
。上颌乳磨牙多数早失时,应选择 ()
A. 丝圈式间隙保持器
B. 恒磨牙导萌
C. 助萌
D. 功能性间隙保持器
E. 丝圈式阻萌器
[单选题] "切边机列的理论最大生产速度为()m/min。
A.1500
B.1200
C.800
D.1800"
[单选题]睾丸鞘膜来自
A.腹外斜肌腱膜
B.腹内斜肌
C.腹直肌
D.腹横筋膜
E.腹膜
[单项选择]清洗设备及装配件表面的防锈油脂时,对于禁油条件下工作的零部件及管路应进行()。
A. 碱泡
B. 酸洗
C. 涮洗
D. 脱脂
[单项选择]侧舌隆突相互联合,并与奇结节联合发育成舌体的时间为胚胎的()
A. 胚胎第四周
B. 胚胎第七周
C. 胚胎第十周
D. 胚胎第十二周
E. 胚胎第六周
[判断题]特高频局放检测方法与脉冲电流法的检测结果具有一-对应的关系,可以将特高频检测的结果转化为应用pC为单位的视在放电量来进行描述。
A.正确
B.错误
[单选题]凡在坠落高度基准面( )及以上的高处进行的作业,都应视作高处作业。
A.1m
B.2m
C.2.5m
D.3m
[单选题]长度在()km的隧道,设置避难所。
A.3~5
B.3~10
C.3~15
D.3~20
[多选题]对血清钾浓度过高者可采取的措施有 ( )
A.葡萄糖和胰岛索同时静脉注射
B.腹膜透析
C.阳离子交换树脂灌肠或口服
D.补充钙剂使细胞外液Ca2+增多
E.补充钠盐使细胞外液Na+增多
[单选题]10、属于行政强制中止执行的情形有()
A.公民死亡,无遗产可供执行,又无义务承受人的
B.法人或者其他组织终止,无财产可供执行,又无义务承受人的
C.执行可能造成难以弥补的损失,且中止执行不损害公共利益的
D.执行标的灭失的
[多选题]1919年爆发的五四运动是在新的社会历史条件下发生的,它具有的历史特点是( )。 ( )
A. 反帝反封建的彻底性
B.真正的群众运动
C.促进了马克思主义在中国的传播
D.倡导了民主和科学的主题
E.促进了马克思主义与中国工人运动的结合
[单选题]承发包工程中,工作票可实行“双签发”形式。( )(6.3.7.6)
A. 对
B. 错
[单项选择]统计资料的类型中,计数资料的特点是( )。
A. 有度量衡单位、可通过测量得到、多为连续性资料
B. 没有度量衡单位、通过列举或记数得来、多为间断性资料
C. 每一个观察单位没有确切值,各组之间有性质上的差别或程度上的不同
D. 将全体观测单位按照某种性质或特征分组,然后再分别清点各组观察单位的个数
[单选题]官微“浙江移动”和“杭州移动”新增绑定操作流程正确的是:
A.用户扫描二维码
B.用户关注公众号
C.用户关注并进入公众号绑定手机号码
D.以上选项均不正确
[单选题]比较表达式:999<>999,比较结果为
A.真
B.假
C.表达式错
D.无法确定
[判断题]辅助机油泵的功用是在柴油机启动前,向柴油机润滑系统的各摩擦面提供机油。
A.正确
B.错误
[单项选择]About three million people have migrated to Britain since World War ll.They are mainly from the West Indies,India and()
A. Indonesia
B. Singapore
C. Hong Kong
D. Pakistan
[判断题]作业结束后,作业单位负责人应组织清扫现场,作业用的工具、拆卸下的物件及余料和废料应清理运走。
A.正确
B.错误
[填空题]
阅读下面的短文,文章中有5处空白,文章后有6组文字。请根据文章的内容选择5组文字,将其分别放回文章原有位置,以恢复文章原貌。
{{B}}The problem over apyright protection{{/B}}
The US Supreme Court has just stepped into a public debate about the
relationship between property and creativity in the information age. The Court’s
decision to hear an obscure copyright case looks certain to fuel a debate that
could have lasting implications for the publishing and entertainment industries
and for individuals ranging from artists to scientists. {{U}} (46)
{{/U}}. The case in question tests the constitutionality of what opponents
call the "Mickey Mouse Protection Act", the 1998 copyright extension law that
saved Disney’s cartoon character from imminent death, in copyright terms.
{{U}} (47) {{/U}}.
Beyond the semantics lies a much more
important public debate about the nature of property on the internet. In a world
where the theft of copyrighted property has been rendered effortless by
[简答题]某轧辊直径为φ500mm,某道次孔型槽深20mm,轧辊转速为100n/min,计算此道次轧件的轧制线速度是多少?工作辊径D=500-2×20=460mm
轧制线速度V=3.14×460×100/60=2407.3mm/s≈2.41m/s
[判断题]76
所有柏类植物的叶片均是鳞叶。( )
A.正确
B.错误
[判断题]隔离开关是指:在分位置时,触头间有符合规定要求的绝缘距离和明显的断开标志; 在合位置时,能承载正常回路条件下的电流及在规定时间内异常条件(包括短路)下的电流的开关设备。俗称刀闸。
A.正确
B.错误
[单选题]串联电路具有以下特点( )。
A. 各电阻上消耗的功率之和等于电路所消耗的总功率
B.各电阻上分配的电压与各自电阻的阻值成正比。
C.串联电路中各电阻两端电压相等
D. 流过每一个电阻的电流不相等
[单选题]经常有人工作的场所及施工车辆上宜配备急救箱,存放(),并应指定专人经常检查、补充或更换。
A.防蚊虫药品
B.医用绷带
C.创可贴
D.急救用品
[填空题]Elderly people respond best to a calm and unhurried environment. This is not always easy to{{U}} (36) {{/U}}as their behavior can sometimes be annoying. If they get excited or{{U}} (37) {{/U}}then they may become more confused and more difficult to look after. Although sometimes it can be{{U}} (38) {{/U}}difficult, it is best to be{{U}} (39) {{/U}}and not to get upset yourself. You should always{{U}} (40) {{/U}}old people to do as much as possible for themselves but be ready to lend a helping hand when{{U}} (41) {{/U}}.
{{U}} (42) {{/U}}memory makes it difficult for the person to recall all the basic kinds of in formation we take for granted. The obvious way to help in this situation is to supply the information that is missing and help them make{{U}} (43) {{/U}}of what is going on.{{U}} (44) {{/U}}
When the elderly person makes confused statements, for example, about going out to his or her old employment or visiting a dead relative, correct them a calm matte