热门试题:
[判断题]驾乘室应有方便上、下车的扶手,扶手应保证戴消防防护手套 仍能抓持,
A.正确
B.错误
[单选题]列车发现危险物品，应交（ ）处理，必要时移交公安部门处理。
A.前方停车站
B.县、市站
C.车务段所在地车站
D.三等及以上车站
[单选题]A-D-C-003 5 2 3
道岔导曲线一般为圆曲线型，可根据需要设置( )超高，并在导曲线范围内按不大于2‰顺坡。
A.2mm
B.5mm
C.6mm
D.8mm
[多选题]男女西裤前中腰起涌的修正应采取（ ）等方法。
A.减少立档
B.减少前中腰松量
C.降低前中线长度
D.侧缝加大收省量
E.减少前撇肚量
[单选题]需要变更工作班成员时，应经（ ）同意，在对新的作业人员进行安全交底手续后，方可进行工作。
A.A.工作监护人
B.B.工作许可人
C.C.工作负责人
D.D.工作票签发人
[单选题]在机场图中标高的简写为：
A.VAR
B.TWR
C.ELEV
D.SALS
[单项选择]
Underground Coal Fires -- a Looming Catastrophe
Coal burning deep underground in China, India and Indonesia is threatening the environment and human life, scientists have warned. These large-scale underground blazes cause the ground temperature to heat up and kill surrounding vegetation, produce greenhouse gases and can even ignite forest fires, a panel of scientists told the annual meeting of the American Association for the Advancement of Science in Denver. The resulting release of poisonous elements like arsenic and mercury can also pollute local water sources and soils, they warned.
"Coal fires are a global catastrophe," said Associate Professor Glenn Stracher of East Georgia College in Swainsboro, USA. But surprisingly few people know about them.
Coal can heat up on its own, and eventually catch fire and burn, if there is a continuous oxygen supply. The heat produced is not caused to disappear and under the right combinations of sunli
A. Using remote sensing technique.
B. Controlling the release of carbon dioxide.
C. Making the soil heat resistant.
D. Cutting off the oxygen supply.
[判断题]使用三类手持电动工具,不须接零和使用漏电开关。( )
A.正确
B.错误
[多项选择]患者女性，27岁，因“全口牙龈普遍增生，刷牙出血，口臭2个月”来诊。口腔检查：全口牙龈增生，覆盖牙面的1/2以上，质地中等，灰色，探诊易出血。为鉴别诊断，应重点询问的病史包括（）
A. 牙龈自动出血史
B. 癫痫史
C. 肝炎活动期
D. 妊娠史
E. 糖尿病史
F. 家族遗传病史
G. 心血管疾病史
H. 平素所采取的口腔卫生措施
I. 有无长期服用药物
[单项选择]定义如下一维数组：int a[5],*p；，则下列描述错误的是( )。
A. 表达式p=p+1是合法的
B. 表达式a=a+1是合法的
C. 表达式p-a是合法的
D. 表达式a+2是合法的
[单项选择]疝手术后不能参加重体力劳动的时间是（）
A. 1周
B. 2周
C. 1个月
D. 2个月
E. 3个月
[单项选择]患者男性，63岁。肩胛部肿块10余年，触之无痛，似有包膜。手术切除送检。该肿瘤的性质为（）。
A. 增生性病变
B. 良性肿瘤
C. 恶性肿瘤
D. 交界性肿瘤
E. 以上均不是
[单项选择]温度对酶促反应速度影响叙述错误的是
A. 低温易使酶变性
B. 低温有利于酶制剂保存
C. 最适温度时酶活力最大
D. 低温时酶活性降低
E. 高温时可使酶变性
[单项选择]含有高成长性和高投资的投资产品的资产组合比较适合( )的人群。
A. 少年成长期
B. 青年成长期
C. 中年稳健期
D. 退休养老期
[判断题]无人直升机发生坠机事故引发次生灾害时，应立即启动应急预案，就地组织事故抢险，对现场情况进行拍照取证，及时进行民事协调，做好舆情监控，并将现场情况及时报告相关部门。
A.正确
B.错误
[单选题]当伤者牙关紧闭,无法进行口对口人工呼吸时,应( )。
A.用工具把嘴撬开
B.加大压力口对口吹气
C.口对鼻吹气
[单选题]除牵引供电专业人员按规定工作外,任何人员及所携带的物件、作业工具等须与牵引供电设备高压带电部分保持( )以上的距离。《电气化安全规则》第六条
A.1m
B.2m
C.3m
D.4m
[不定项选择题]共用题干
Margaret Sanger and Birth Control
Margaret Sanger,an American nurse,was the first to start the modern birth control movement in the United States.In 1912 she______(51)publishing information about women's reproductive（生殖的）concerns through articles and books. In 1914 Sanger was charged ______(52)violation of the Comstock Law,which federal legislation had passed in 1873 for-bidding the mailing of sexy material______(53)information about birth control and contraceptive（避孕的）devices. Though she was put in jail for these activities , Sanger______( 54 ) to publish and spread information about birth control.She and her sister Ethel Byrne opened the first of several birth control clinics in America on October 16,1916,in Brooklyn,New York.
The Comstock Law was rewritten by Congress in 1 936 to______(55)birth control information and devices .Many states had laws forbidding distribution or use of contraceptive devices but the constitutionality（合宪性）of these laws was increasingly______(56).In 1965,the
Supreme Court of the United States ruled that married people have the right to practice birth control without government intervention .In 1972,the court______(57)that unmarried people have the same right.
Today there are more birth control options______(58),but overpopulation and unwanted pregnancies remain worldwide______(59).Having more children than one can support may lead______(60)poverty,illness,and high death rates for babies,children,and women.
The problem of teenage pregnancy is______(61) worse in the United States ______(62)in almost any other developed country.Studies show that birth rates for women under 20 are higher in the United States than in 29 other______(63)countries.A detailed study suggested that the problem of teenage pregnancy in the United States may be______(64) to less sex education in schools and lower availability（可获性）of contraceptive services and supplies to young people,This study______(65)the view of people in the United States who argue that sex education or making contraceptive supplies available to school-age children promotes sexual activity.
51._________
A.offered
B.refused
C.began
D.took
[多选题]执行故障修的设备为（ ）。
A.限界门
B.移动式空压机
C.电焊机
D.台式钻床
[判断题]对于吸纳高校毕业生就业的社会组织,符合条件的可同等享受企业吸纳就业扶持政策。( )
A.正确
B.错误
[多选题]电容器验收内容有（ ）。
A.套管芯棒应无弯曲或滑扣
B.引出线端连接用的螺母、垫圈应齐全
C.外壳应无显著变形，外表无锈蚀，所有接缝不应有裂缝或渗油
D.瓷套表面应光滑无裂纹、缺损
[填空题]如下类定义中包含了构造函数和拷贝构造函数的原型声明，请在横线处填写正确的内容，使拷贝构造函数的声明完整。
class myClass
private:
int data;
public:
myClass(int value); //构造函数
myClass(const______anotherObject); //拷贝构造函数
[单项选择]
HIV主要感染下列（）
A. CD4
+淋巴细胞
B. B淋巴细胞
C. 单核细胞
D. 神经胶质细胞
E. 皮肤上皮细胞
[判断题]新疆生产建设兵团系统所属的公安派出所可以依法作出警告、500元以下罚款的治安管理处罚决定。
A.正确
B.错误
[单选题]英国发动鸦片战争的主要目的是()。
A.保护鸦片贸易
B.侵占中国领土
C.打开中国商品市场
D.争取外交主动权
[单项选择]
Malls are popular places for Americans to go. Some people spend so much time at malls that they are called "mall rats". Mall rats shop until they drop in the hundreds of stores under one rood.
People like malls for many reasons. They feel safe because malls have police stations of private security guards. Parking is usually free, and the weather inside is always fine. The newest malls have beautiful rest areas with waterfalls and large green trees.
The largest mall in the United States is the Mall of America in Minnesota. It covers 4.2 mil- lion square feet. It has 350 stores, eight night clubs, and a seven-acre park! There are park- ing spaces for 2,750 cars. About 750,000 people shop there every week.
The first indoor mall in the United States was built in 1965 in Edina, Minnesota. People like doing all their shopping in one place. More malls were built around the country. Now, malls are like town centers where people come to do many things, th
A. They feel safe because malls have police station of private security guards.
B. They can be served free meals after doing shopping.
C. They can do about everything at malls.
D. The weather inside is always fine.
[多项选择]关于有限责任公司，下列叙述正确的有( )。
A. 股东会由全体股东组成，是公司的权力机构
B. 有限责任公司设立董事会，其成员为1人至5人
C. 股东人数较少或者规模较小的有限责任公司，可以设一名执行董事，不设董事会
D. 有限责任公司须在公司名称中标明有限责任公司或者有限公司字样
E. 有限责任公司不可以变更为股份有限公司
[单选题]职业技能提升行动方案实施的期限( )年。
A.1年
B.2年
C.3年
D.4年
[单项选择]
男，18岁。颏下无痛性缓慢生长圆球状肿物3年，大小5cm×6cm×4cm，表面光滑，界限清、质地似面团样，可活动、无触痛，肿物不随吞咽而活动，口底黏膜下未见异常。
选用的手术切口是（）
A. 口底黏膜避开导管口平行下颌体弧形切口
B. 颏下皮肤距下颌骨下缘2cm与其平行的弧形切口
C. 颏下皮肤的梭形切口
D. 两侧下颌下缘下2cm，颏下正中至舌骨T形切口
E. 口底黏膜及颏下皮肤的弧形切口
[单选题]()不属于扭环形计数器的优点。
A.状态利用率高
B.每次状态变化只有一个触发器翻转
C.电路简单
D.译码器没有竞争冒险
[多选题]《安全生产法》中从业人员的安全生产义务有（ ）。
A.遵守法规、服从管理的义务
B.佩带和使用劳保用品的义务
C.接受培训，掌握安全生产技能的义务
D.制裁各种安全生产违法犯罪行为的义务
E.发现事故隐患及时报告的义务
[判断题]邮件转运员要充分利用机械和工具设备，确保各类总包邮件运递时限。
[单项选择]袜糊工程在冬季施工时，要求作业温度不得低于（）。
A. 20℃
B. 10℃
C. 15℃
D. 25℃
[单选题]根据商标法律制度的规定，下列情形中，不构成侵犯注册商标专用权的是（ ）。
A.甲复制乙注册的驰名商标，在不相同商品上作为商标使用，误导公众、致使乙的利益受到损害
B.丙销售不知道是侵犯乙的注册商标权的商品，且丙证明了该商品是自己合法取得的并说明了商品的提供者
C.未经商标注册人乙同意，丁更换了乙商品上的注册商标并将该更换商标的商品用于个人消费
D.戊擅自制造乙的注册商标标识，并将其卖给第三人庚
