{{B}}Clone Farm{{/B}} Factory farming could soon enter a new era of mass production. Companies in the US are developing the technology needed to "clone" chickens on a massive scale. Once a chicken with desirable traits has been bred or genetically engineered, tens of thousands of eggs, which will hatch into identical copies, could roll off the production lines every hour. Billions of clones could be produced each year to supply chicken farms with birds that all grow at the same rate, have the same amount of meat and taste the same. This, at least, is the vision of the US’s National Institute of Science and Technology, which has given Origen Therapeutics of Burlingame, California, and Embrex of North Carolina $4.7 million to help fund resear A. Origen and Embrex will jointly invent machines to increase production. B. Origen wants to purchase an efficient donor cells injecting machine. C. Origen has joined hands with Embrex in producing cell-injecting machines. D. Origen is the leading company in producing embryo-locating machines. [单选题]串联补偿装置绝缘平台吊装作业,吊装前,不必复测支撑绝缘子的轴线和顶面标高,确保各支撑绝缘子能够均匀受力,防止单个绝缘子超载而导致绝缘平台坍塌。()
A.正确 B.错误 C./ D./ E./ F./ [报关编码]蓝纹乳酪和娄地青霉生产的带有纹
[单选题]凡采取的TCAS避让措施,都应向( )报告
A.空中交通管制 B.运行控制部 C.签派 D.民航总局 [单选题] 收单机构或其外包服务机构、特约商户发生涉嫌银行卡违法犯罪案件或重大风险事件的,收单机构应当于( )个工作日内向中国人民银行及其分支机构报告。
A.3 B.2 C.5 D.7 [单项选择]谢某以3000元从人贩子手中买妇女王某为妻,王某不从,谢将其锁在屋中3天3夜。第4天,谢某看王某已睡着,即进屋欲与王某发生性关系,王某惊醒后极力反抗,终因力气不支被谢某奸淫。谢某的行为不构成何罪( )
A. 强奸罪 B. 非法拘禁罪 C. 收买被拐卖的妇女罪 D. 侮辱妇女罪 [单选题]车机联控中,对列车运行监控装置故障的列车,车站值班员应于( ),及时主动通知机车乘务员。
A.列车接近时 B.进出站信号开放后 C.列车从邻站出发后 D.列车预告发车后 [单选题]在超过()坡度的线路上,不得无动力停留机车车辆(包括列车在区间被迫停车后需分部运行时)
A.2.5‰ B.5‰ C.6‰ D.12‰ [单选题]进行侦察、攻坚及非常规灭火救援行动时,应牢记各类灾害事故处置安全规定和操作规程,不得违规作业,每名( )都有纠正他人危险作业行为的权利和义务,严禁违反规程。
A.救援人员 B.消防员 C.指挥员 D.班长 [单项选择]随着牌号的增加,粘性越(),塑性越(),温度敏感性越()。
A. 大;大;大 B. 小;大;大 C. 大;小;大 D. 小;小;小 E. 小;大;小 [单选题]柔性接触网系统承力索和接触线中心锚结处和补偿器处的张力差不得超过( )%。
A.10 B.12 C.15 D.20 [判断题]金粉和银粉混合后加热,使之熔融然后冷却,得到的固体是两相。
A.正确 B.错误 [单项选择]
突然发生广范围快速的龋蚀,很快发生牙髓感染,下颌乳前牙也受到龋蚀的侵及的是
A. 奶瓶龋 B. 少年龋 C. 猖獗龋 D. 环状龋 E. 忽视性龋 [单选题]下列哪种推理属于转导推理?()
A.爸爸告诉孩子:“地上一道一道的是车沟。”孩子就说:“爸爸脑门上也有车沟。” B.孩子看到母鸡带着一群小鸡,认为老师带小朋友做游戏时也像母鸡。 C.有个孩子给石凳子浇水,盼望它快快长大。 D.有人喊孩子的妈妈,妈妈没回答,孩子就说:“妈妈没听见。” [单选题]给水泵至锅炉省煤器之间的系统称为( )。
A.凝结水系统 B.给水系统 C.除盐水系统 D. 补水系统 [单项选择]单机(包括双机、专列回送的机车,下同)在自动闭塞区间紧急制动停车后,具备移动条件时司机须立即将机车移动不少于(),再按照先防护后报告的原则进行作业。
A. 10米 B. 15 C. 20 [单选题]2193、华山东收费站位于(___)高速上。
A.A、威青高速 B.B、青新高速 C.C、龙青高速 D.D、沈海高速 [填空题]Many theories concerning the causes of juvenile delinquency (crimes committed by young people) focus either on the individual or on society as the major contributing influence. Theories ________on the individual suggest that children engage in criminal behavior ________they were not sufficiently penalized for previous misdeeds or that they have learned criminal behavior through ________with others. Theories focusing on the role of society suggest that children commit crimes in ________ to their failure to rise above their socioeconomic status, ________ as a rejection of middle-class values.
Most theories of juvenile delinquency have focused on children from disadvantaged families, ________ the fact that children from wealthy homes also commit crimes. The latter may commit crimes ________ lack of adequate parental control. All theories, however, are tentative and are ________ to criticism.
Changes in the social structure may indirecfiy ________ juvenile crime rates. For ex
A. A.considering B. ignoring C. highlighting D.discarding [判断题]消防救援人员与国(境)外人员交往,应当严格遵守国家有关规定。( ) [判断题]
对
错
A.正确 B.错误 [多选题]物资保管要求应做到无破损变形、( )。
A.无短缺 B.无渗漏 C.无锈(腐)蚀 D.无霉烂变质 [单项选择]
|