更多“沥青混合料谢伦堡沥青析漏试验时应将装有普通沥青混合料的烧杯加”相关的问题
I think that Anna is _______far the most active member in our group.
A． with
B． at
C． as
D． by
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唯一可用于治疗深部和皮下真菌感染的多烯类药物是（）
A.奈替芬
B.制霉菌素
C.灰黄霉素
D.阿莫罗芬
E.两性霉素B
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如果奶油枪内已打发的奶油存放时间超过2天，建议（）
A.最多可以再使用3天
B.最多可以再使用1天
C.建议可以先闻味道后判断是否能继续使用
D.直接放弃，重新制作奶油
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在指导学前儿童结构游戏时,要求中班学前儿童学会的结构知识是 (4.0分)
A. 识别形体、大小、颜色 B. 识别高低、宽窄、薄厚、长短、前后 C. 要求将建构物制作的更加精细 D. 识别上下、中间
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激光深熔焊可以提高焊缝强度、韧性和综合性能。
A . 正确
B . 错误
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定义无符号整数类为 UInt， 下面可以作为类 UInt 实例化值的是（ ）。
定义无符号整数类为 UInt， 下面可以作为类 UInt 实例化值的是（ ）。
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DOTCOM mania was slow in coming to higher education, but now it has the venerable industry firmly in its grip. Since the launch early last year of Udacity and Coursera, two Silicon Valley start-ups offering free education through MOOCs, massive open online courses, the ivory towers of academia have been shaken to their foundations. University brands built in some cases over centuries have been forced to contemplate the possibility that information technology will rapidly make their existing business model obsolete. Meanwhile, the MOOCs have multiplied in number, resources and student recruitment— without yet having figured out a business model of their own. Besides providing online courses to their own(generally fee-paying)students, universities have felt obliged to join the MOOC revolution to avoid being guillotined by it. Coursera has formed partnerships with 83 universities and colleges around the world, including many of America"s top-tier institutions. EdX, a non-profit MOOC provider founded in May 2012 by Harvard University and the Massachusetts Institute of Technology and backed with $ 60m of their money, is now a consortium of 28 institutions, the most recent joiner being the Indian Institute of Technology in Mumbai. Led by the Open University, which pioneered distance-learning in the 1970s, FutureLearn, a consortium of 21 British, one Irish and one Australian university, plus other educational bodies, will start offering MOOCs later this year. But Oxford and Cambridge remain aloof, refusing to join what a senior Oxford figure fears may be a "lemming-like rush" into MOOCs. On July 10th Coursera said it had raised another $ 43m in venture capital, on top of the $ 22m it banked last year. Although its enrolments have soared, and now exceed 4m students, this is a huge leap of faith by investors that the firm can develop a viable business model. The new money should allow Coursera to build on any advantage it has from being a first mover among a rapidly growing number of MOOC providers. The industry has similar network economics to Amazon, eBay and Google, says Ms Roller, in that "content producers go to where most consumers are, and consumers go to where the most content is. " Simon Nelson, the chief executive of FutureLearn, disagrees. "Anyone who thinks the rules of engagement have already been written by the existing players is massively underestimating the potential of the technology," he says. Certainly, there is plenty of experimentation with business models taking place. The MOOCs themselves may be free, but those behind them think there will be plenty of revenue opportunities. Coursera has started charging to provide certificates for those who complete its courses and want proof, perhaps for a future employer. It is also starting to license course materials to universities that want tobeef uptheir existing offering. However, it has abandoned for now attempts to help firms recruit employees from among Coursera"s students, because catering to the different needs of each employer was "not a scalable model", says Ms Koller. For Udacity, in contrast, working with companies to train existing and future employees is now the heart of its business model. It has tie-ups with several firms, including Google. It recently formed a partnership with AT&T, along with Georgia Tech, to offer a master"s degree in computer science. Course materials will be free, but students will pay around $ 7,000 for tuition. EdX is taking yet another tack, selling its MOOC technology to universities like Stanford, both to create their own MOOC offerings and to make physically attending university more attractive, by augmenting existing teaching.
A．they do not want to be killed by itB．they deem very highly of its business modelC．they value the potential of this technologyD．they want to make physically attending university more attractive
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当泵的入口管道设置有（）是为了在机泵检修时可以把泵体内物料排放干净。
A . A、压力表
B . B、过滤器
C . C、排气阀门
D . D、排液阀门
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劳动法的调整对象是劳动关系以及与劳动关系有密切联系的其他社会关系，区分与劳动关系有密切联系并由劳动法调整的社会关系的因素包括()
A、这些关系是劳动关系产生的前提条件
B、这些关系是劳动关系的直接后果
C、这些关系是劳动关系附带产生的关系
D、这些关系与劳动关系有逻辑联系
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根据支付结算法律制度的规定，关于银行结算账户的管理，下列表述正确的有（）
A.没有开立存款账户的个人不得通过银行办理支付结算
B.人民币结算账户是银行为存款人开立的办理资金收付结算的人民币定期存款账户
C.人民币银行结算账户按存款人不同，可分为单位银行结算账户和个人银行结算账户
D.个人储蓄账户仅限于办理现金存取业务，不得办理转账结算
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缓冲溶液总浓度一定时，缓冲比等于1，缓冲容量最大。
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皮亚杰的认知发展可以分为哪几个阶段？各有什么主要特征？
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小麦在课堂上难以集中注意力，是老师眼中“坐不住的孩子”。有时他会在课堂上“骚扰”周围的小朋友或打断老师正在进行的教学活动。张老师是小麦的班主任，多次劝说小麦后未见其有所改善，于是张老师盛怒之下勒令全班的学生不要理睬小麦。张老师违反的教师职业道德是（）
A.爱岗敬业
B.关爱学生
C.乐于奉献
D.知荣明耻
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下列有关RAM和ROM的叙述中，正确的是（）。 Ⅰ．RAM是易失性存储器，ROM是非易失性存储器 Ⅱ．RAM和ROM都是采用随机存取的方式进行信息访问 Ⅲ．RAM和ROM都可用作Cache Ⅳ．RAM和ROM都需要进行刷新
A．仅Ⅰ和Ⅱ
B．仅Ⅱ和Ⅲ
C．仅Ⅰ，Ⅲ，Ⅲ
D．仅Ⅱ，Ⅲ，Ⅳ
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2007年5月，赵某从甲公司购买了一辆吉普车，但一直未办理过户手续。2009年7月某日，因发动机故障，赵某将该车停放在其家门口对面的公路边，未拔下钥匙，让不具有修车资格的昔日修车徒弟钱某对车进行检修。嗣后，孙某向钱某借车去火车站接人。在未得到赵某允许的情况下，钱某将车借给无驾驶资格的孙某开走，钱某也随车同去。当驾驶至108国道时与一辆轿车相撞，致使轿车车主李某头部、腹部及左下肢受伤，轿车也被撞坏。后经交通警察大队认定：孙某无证驾驶，且在会车时驶至公路左侧边沿，导致与轿车相撞，应负事故的全部责任；李某会车时紧靠道路右边行驶，无违章行为，因而无责任。因各方相互推诿责任，李某于2009年11月向法院起诉，要求赵某、钱某、孙某赔偿医疗费等各种费用。问：应当如何认定本案的责任主体如何进行责任分配为什么
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