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[判断题]酚一氯仿提取法是我们在提取DNA时所用的经典方法,现在仍然被许多实验室所采用。
A.正确
B.错误

热门试题:

[单项选择]下列关于交易账户的说法,不正确的是()。
A. 交易账户记录的是银行为了交易或规避交易账户其他项目的风险而持有的可以自由交易的金融工具和商品头寸
B. 记入交易账户的头寸在交易方面所受的限制较多
C. 银行应当对交易账户头寸经常进行准确估值,并积极管理该项投资组合
D. 为交易目的而持有的头寸包括自营头寸、代客买卖头寸和做市交易形成的头寸
[单选题]新民主主义国家的国体决定了( ),是新民主主义国家制度的核心内容和基本准则。
A.无产阶级专政
B.人民当家作主,由人民行使管理国家的一切权利
C.资产阶级专政
D.开明君主专政
[多项选择]甲公司向乙公司发出一封函件,称:我公司现有大量优质木材,价格便宜,欲购请从速。乙公司因急需钢材,回复称:请于3天内发B型号钢材50吨,以市价结算。3天后甲公司未能发货,乙公司起诉至法院,下列说法正确的是:
A. 甲公司向乙公司发出的函件为要约邀请
B. 甲公司向乙公司发出一封函件为要约
C. 甲、乙公司之间的合同没有成立
D. 甲、乙公司之间的合同成立
[单选题]旅客要求暂存车站的物品,由安检查危人员开具《铁路物品保管单据》,限定30日内取回,逾期视为主动放弃,由( )按无主物品处理。
A.公安机关
B.车站
C.保洁
D.以上都可以
[单项选择]关汉卿:《窦娥冤》
A. 蒲松龄:《聊斋志异》
B. 吴承恩:《西游记》
C. 施耐庵:《水浒》
D. 纪君祥:《赵氏孤儿》
[判断题]无租使用其他单位房产的应税单位和个人,依照房产原值代缴纳房产税。
A.正确
B.错误
[多选题]眼观察,在美元纸币正背面可发现随机分布的()彩色纤维丝。
A.红;
B.绿;
C.蓝;
D.黄。
[判断题]按保价办理的行李、包裹其声明价格和重量分别填写,并对每件进行编号,在行李、包裹票和每件货签、包装上写明“总件数之几”字样。
A.正确
B.错误
[判断题]汽轮机的滑销系统主要由立销、纵销、横销、角销、斜销、猫爪销等组成。
[单选题]关井条件下天然气在井内上升过程中井底压力会( )
A.升高
B.不变
C.降低
D.无法确定
[多项选择]下面的报告文学中,()是描写科学家的作品。
A. 《高山与平原》
B. 《生命之树常绿》
C. 《大雁情》
D. 《亚洲大陆的新崛起》
E. 《正气歌》
[单项选择]According to the speaker, why is it difficult to find calendar pictures that are in good condition ?()
A. Very few were produced.
B. Most were kept only a short time.
C. Most were printed on delicate paper.
D. Many have been acquired by collectors.
[单选题]藏象学说的主要特点是
A.以五脏六腑为中心的整体观
B.以五脏为中心的整体观
C.五脏者,实而不能满
D.六腑者,满而不能实
E.以上都是
[填空题] 投诉按受理渠道分为:()、省管局受理投诉、10086受理投诉、地市渠道受理投诉、互联网渠道投诉。
[判断题]低压单相供电时相线、零线的导线截面相同。
A.正确
B.错误
[单项选择]中央银行针对某些特殊的信贷或某些特殊经济领域而采用的工具是()。
A. 常规性工具
B. 补充性工具
C. 选择性工具
D. 新工具
[单项选择]下列银行业犯罪中,不存在主观故意的是( )。
A. 职务侵占罪
B. 票据诈骗罪
C. 变造货币罪
D. 签订、履行合同失职被骗罪
[多项选择]区分我国公务员制度与西方文官制度的正确方法是( )。
A. 前者坚持德才兼备的用人标准,后者选人、用人的价值向偏重业务知识和工作技能
B. 前者坚持为人民服务宗旨,后者把文官系统看作独立的利益集团,将文官身份“分裂”开来
C. 前者坚持党管干部原则,后者强调文官管理独立于党派之外,不受政党干预
D. 前者表现为所有公务员都必须与党的路线、方针、政策保持一致并规范执行之,后者则搞“政治中立”
[单选题] 我国对子午线轮胎的标志是( )。
A.以“R”作为标志
B.以“X”作为标志
C.以“P”作为标志
D.以“Z”作为标志
[单选题]根据以下材料,回答 Hair loss can be destructive for themillions of men and women who experience it. Now scientists are reporting thata substance from honeybee hives might contain clues for developing a potentialnew therapy. They found that the material, called propolis, encouraged hairgrowth in mice. The study appears in A CS′ Journal of Agricultural and FoodChemistry. Ken Kobayashi and colleagues note that propolis is a resin-likematerial that honeybees use to seal small gaps in their hives. Not only does itwork as a physical barrier, but it also contains active compounds that fightfungal and bacterial invasions. People from ancient times had noticed propolis′special properties and used it to treat tumors, inflammation and wounds. Morerecently, research has shown that the substance promotes the growth of certaincells involved in hair growth though no one had yet tested whether that in turnwould result in new locks. Kobayashi ′ s team wanted to find out. When the researchers tested propolis onmice that had been shaved or waxed, the mice that received the treatment regrewtheir fur faster than those that didn′t. The scientists also noticed that afterthe topical application, the number of special cells involved in the process ofgrowing hair increased. Although they tried the material on mice that couldgrow fur rather than balding mice, the researchers note that hair lossconditions often result from abnormal inflammation. Propolis contains anti-inflammatorycompounds, so they expert it could help treat balding conditions. They add that further testing is needed tosee if the beehive material affects human hair follicles. What′s the main idea of the passage?
A.It is about a test on mice.
B.It is about an introduce of ACS'Journal.
C.It is about a report on a study of newfunction of propolis.
D.It is about a medicine that will be putinto market soon.
[多项选择]下列有关集体争议协商的表述,正确的是()
A. 协商会议开始,双方应当迅速找到共同点和不同点
B. 协商中,应互相交换观点,提出一致的建议
C. 协商最好能够一直持续进行,以便能迅速达成一致
D. 协商的最后,应确认要达成的协议
[单项选择]妊娠中后期红细胞减少,因为()。
A. 缺氧
B. 代偿性
C. 血浆容量增加,血液被稀释
D. 大量失水,血液浓缩
E. 原因不明的造血系统增值性疾病
[单选题](单选题0.6 分)
49岁,已婚妇女G3P3。自述阴部有一肿物脱出6个月。妇科检查见宫颈全部及部分宫体外露于阴道口触之宫颈较长。最恰当的治疗是:
A.阴道前后壁修补术
B.曼氏手术
C.阴道纵隔形成术
D.经阴道子宫全切及阴道前后壁修补术
E.经腹子宫全切除术
[判断题]一般事故和严重事故的调查处理工作,应当在30天内完成;重大事故和特大事故的调查处理工作,应当在50天内完成;遇有特殊情况,经上级首长批准,可以适当延长。()
A.正确
B.错误
[判断题]根据《浙江民泰商业银行单位银行结算账户管理办法》(浙民泰银办发〔2011〕496 号),无字号个体工商户开立银行结算账户,其预留签章中公章或财务专用章应为个体户字样加营 业执照载明的经营者姓名。
A.正确
B.错误
[判断题]在110、220kV交流线路上进行地电位带电作业时,人身与带电体间的安全距离分别不准小于1.0、1.8m。()
A.正确
B.错误
[填空题]ZD6系列电动转辙机减速器的减速比为( )。
[单选题]单选题:车站发生恐怖事件时,车站工作人员必须在3分钟内赶至现场进行前期处置;( )必须在接报后3分钟内出发赶往现场组织现场处置。
A.站务员
B.值班员(客运)
C.值班站长
D.(副)站长
[多选题](多选题)省煤器泄漏原因正确的是( )
A.给水品质不合格,管内结垢,造成传热恶化和爆管;
B.吹灰时间长
C.材质不合格或检修质量差;
D.飞灰磨损严重或烟道再燃烧使管子过热;
[单项选择]OSI参考模型根据网络通信的功能要求,把通信过程分为()层。
A. 4
B. 5
C. 6
D. 7
[单项选择]设x、y、t均为血型变量,则执行语句x=y=3;t=++x | | ++y;后,y的值为 ______。
A. 不定值
B. 4
C. 3
D. 1
[判断题]会计职业道德中提出强化服务的目的,就是服务群众。( )
[简答题]什么是芽孢?
[简答题]厦门什么时候升格为副省级城市?
[单项选择]柴油机若连续()次不能启动时,应停止启动,检查不能启动的原因,排除故障,再进行启动。
A. 二
B. 三
C. 四
D. 五
[填空题] In the United States, the first day nursery was opened in 1854. Nurseries were established in various areas during the (61) half of the 19th century; most of (62) were charitable. Both in Europe and in the U. S. , the day-nursery movement received great (63) during the First World War, when (64) of manpower caused the industrial employment of unprecedented (前所未有) numbers of women. In some European countries nurseries were established (65) in munitions (军火) plants, under direct government sponsorship. (66) the number of nurseries in the U.S. also rose (67) , this rise was accomplished without government aid of any kind. During the years following the First World War, (68) , Federal, State, and local governments gradually began to exercise a measure of control (69) the day nurseries, chiefly by (70) them and by inspecting and regulating the conditions within the nurseries. The (71) of the Second World War was quickly followed by an increase in the number of
A. A.circumstance
B.occasion
C.case
D.situation

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