母婴保健专项技术服务人员（）可以对胎儿进行性别鉴定。-我要搜题网

[单项选择]辅助诊断风湿热的血清学试验属于（）
A. 直接凝集试验
B. 乳胶凝集试验
C. 沉淀试验
D. 中和试验
E. 补体结合试验

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[单项选择]通过早发现、早诊断、早治疗5年生存率明显提高的为
A. 宫颈粘液结晶
B. 阴道脱落细胞学检查
C. 分段诊刮
D. 宫颈涂片
E. 阴道镜检查

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[单项选择]青海开始纳入中央王朝的郡县体系是在（）
A. 秦朝
B. 汉朝
C. 南北朝
D. 唐朝

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[多选题]确认出段信号或( )，厉行呼唤应答，鸣笛动车出段。
A.股道号码信号
B.道岔开通信号
C.出库信号显示正确
D.道岔标志的显示正确

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[判断题]当企业的资本报酬率低于债务利率时，会增加普通股股东的每股收益，提高净资产报酬率，提升企业价值。（）

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[判断题]用盐酸清除碳酸钙垢和铁化合物时，要加转化剂防止防金属腐蚀。
A.正确
B.错误

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[判断题] ( )在停工过程中，只要汽包还有蒸汽，就必须把汽包蒸汽并入管网。
A.正确
B.错误

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[单选题]再监督初始样本量由总行会计结算部按不低于（）%的容忍度和（）%置信度测算后核定。
A.5,100
B.10,100
C.5,99.99
D.10,99.99

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[单项选择]Many people invest in the stock market hoping to find the next Microsoft and Dell. However, I know (31) personal experience how difficult this really is. For more than a year, I was (32) hundreds and sometimes thousands of dollars a day in investing in the market. It seemed so easy, I dreamed of (33) my job at the end of the year, of buying a small apartment in Paris, of traveling around the world. But these dreams (34) to a sudden and dramatic end when a stock I (35) , Texas cellular pone wholesaler, fell by more than 75 per cent (36) a one year period. On the (37) day, it plunged by more than $ 15 a share. There was a rumor that the company was (38) sales figures. That was when I learned how quickly Wall Street (39) companies that, in one way or another, misrepresent the (40) .
In a (41) , I sold all my stocks in the company, (42) margin debt with cash advances from my (43) card. Because
A. won
B. lost
C. gained
D. suffered

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[多选题]资本-帝国主义列强通过以下手段对中国进行侵略：（）
A.A、政治控制
B.B、军事侵略
C.C、文化渗透
D.D、经济掠夺

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[简答题]什么是合成高分子卷材？

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[判断题](Lb3B4111). 在PLC中, 一般以单片机作为主处理器,完成PLC的大部分功能。 ()
A.正确
B.错误

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[填空题]设A是三阶实对称矩阵，满足A³=2A²+5A-6E，保证kE+A是正定阵，则k的取值范围是______．

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[单项选择]按照我国现行规定，各种经营性固定资产投资项目必须实行资本金制度，但( )不实行资本金制度。
A. 国有单位的基本建设项
B. 技术改造项目
C. 房地产项
D. 财政预算内资金投资建设的公益性项目

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[判断题]增容、减容、暂停属于业务变更的内容。
A.正确
B.错误

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[单选题]（）人员熟悉变电检修流程、工艺标准，掌握本规定规定的各项管理要求。
A.专业管理
B.检修
C.项目管理
D.工作

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[单项选择]激光器一般由三个主要部分构成：工作物质、激发装置和光学谐振腔。下列叙述错误的是（）
A. 能产生激光的物质称为工作物质
B. 光通过正常状态下的发光物质时，吸收过程占优势
C. 使受激辐射占优势才能产生激光
D. 受激辐射占优势时处于高能级上的原子数比处于低能级上的原子数多
E. 粒子数反转后能产生稳定的激光输出

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[单项选择]

Most children with healthy appetites are ready to eat almost anything that is offered to them and a child’ s rarely dislikes food unless it is badly cooked. The (21) a meal is cooked and served is most important and an attractively served meal will often improve a child’ s appetite. Never ask a child (22) he likes or dislikes a food and never discuss likes and dislikes in front of him or allow (23) else to do so. If the father says he hates fat meat or the mother (24) vegetables in the child’ s hearing he is likely to copy this procedure. Take it (25) granted that he likes everything and he probably will. Nothing healthful should be omitted from the meal because of a supposed dislike. At meal times it is a good (26) to give a child a small portion and let him come back for a second helping rather than give him as (27) as he is likely to all at once. Do not talk too much to the child during meal times, but le
A. much
B. little
C. few
D. many

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[单选题] 《规范》的作用是（）
A. 明确责任
B. 指导行为
C. 划定界限
D. 提升荣誉
E. 以上均是

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[判断题]合同经办机构发现对方当事人有拒绝履行合同或不按约定履行合同的情形时，应当及时向对方当事人主张合同权利，防止出现怠于行使合同权利的风险，同时保留对方违约证据材料。
A.正确
B.错误

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[单项选择]标题搜索的命令是（）。
A. title：或t：
B. site：、host：或url：
C. link：

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[多选题]煤油的危险特性( )。
A.其蒸气比空气重,能在较低处扩散到相当远的地方,遇火源会着火回燃。
B.与氧化剂可发生反应
C.流速过快,容易产生和积聚静电
D. 其蒸气与空气可形成爆炸性混合物,遇明火、高热极易燃烧爆炸
E.若遇高热,容器内压增大,有开裂和爆炸的危险

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[判断题]墙体上有门窗洞或工艺洞口时，应从两侧同时对称投料，以防将门窗或工艺洞口模板挤扁。

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[单选题]孕妇彭某,30岁,在测量宫高腹围过程中有头晕.胸闷.恶心.呕吐等症状,并伴有全身冷汗.脉搏增快.血压下降等情况时,立即采取体位,吸氧,立即报告医师并协助处理。 ( )
A.半坐卧位
B.平卧位
C.左侧卧位
D.坐位
E.右侧卧位